micros Systems, Inc. Workstation 5 and Workstation 5A Field Service Guide Workstation 5 Workstation 5A

Transcription

1 micros Systems, Inc. Workstation 5 and Workstation 5A Field Service Guide Workstation 5 Copyright 2008, 2009, 2012 By MICROS Systems, Inc. Columbia, Maryland USA All Rights Reserved Part Number (3rd Edition) Workstation 5A

2 Declarations Warranties Trademarks Although the best efforts are made to ensure that the information contained in this manual is complete and correct, MICROS Systems, Inc. makes no warranty of any kind with regard to this material, including but not limited to the implied warranties of marketability and fitness for a particular purpose. Information in this manual is subject to change without notice. MICROS Systems, Inc. shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. MICROS is a registered trademark of MICROS Systems, Inc. Microsoft, MS-DOS, Windows, Windows 95, and Windows CE are registered trademarks of Microsoft Corporation in the U.S. and other countries. Intel, Intel SpeedStep and the Intel Logo are registered trademarks of Intel Corporation in the US and other counties. AMD, the AMD logo, and combinations thereof are trademarks of Advanced Micro Devices, Inc. General Software, the GS Logo, Embedded BIOS, CE Ready, the CE Ready logo, and Firmbase are trademarks or registered trademarks of General Software, Inc. Printing History New editions of this manual incorporate new and changed material since the previous edition. Minor corrections and updates may be incorporated into reprints of the current edition without changing the date or edition number. 1st Edition: April nd Edition: March, rd Edition: July 2012 ii

3 Table Of Contents Table Of Contents Preface Purpose Who Should Use This Manual? vi Symbols vii Document Design and Production iv Introduction to the WS5 FRUs Introduction Casework and Mag Card Reader Touchscreen Gasket Top Cover IO Door Workstation 5 Base Mag Card Reader Assembly Power Button Actuator System Boards and FRUs Workstation Workstation 5 - History Workstation 5 System Board and FRUs Workstation 5A Workstation 5A System Board - History Workstation 5A System Board and FRUs Power Supplies Workstation 5 Power Supply Workstation 5A Power Supply LCD, Touchscreen, and Backlight Inverter Touchscreen Panel LCD and Touchscreen Bracket LCD Panel, Backlight Inverter Board Cables LCD Data Cable WS5/WS5A Cable, Inverter Board WS5/WS5A Cable, Powered USB Cable for WS5A Cable, LCD Rear Display, KWS4/WS4/WS5/WS5A Cable Kit, AC Power In - DC Power Out WS5/WS5A WS5/WS5A AC Power Cable, Right Angle Dongle, RJ45-DB9, IDN Port to RS232 2-wire serial Serial Port Conversion Dongle, COM5 RJ45 to DB Cable Assembly, Finger Print Reader, WS5/WS5A Cash Drawer Extension Cables iii

4 Table of Contents Workstation 5 Adjustable Stand Accessories Connector Kit, USB External (2), Kit, Cable Ties Straps and Lock Screws for WS5/WS5A Stand Workstation 5/5A Adjustable Stand Security Screw Kit (20) Third Party Mounting Adapter for WS5/WS5A Stand LCD Customer Display LCD Interface Board LCD Module, Optrex Cable, LCD Pole and Rear Display Head Cable Extension, LCD Pole Display LCD Customer Display Poles Kit, Front/Rear Cover, /w Lens, Screws, Pole Mount Hinge Hinge Set, LCD Customer Display WS5 System Board Technical Overview Workstation 5 Block Diagram LX800 Processor and TFT Controller Processor Core GeodeLink Interface Units GeodeLink Memory Controller GeodeLink Control Processor GeodeLink Interface Block FIFO/Synchronous Transaction Forwarding PCI Bus Interface Block PCI Bus Arbiter GeodeLink Interface General Description CS5536 Companion Device System Management Bus Controller Serial Interface Real Time Clock (RTC) and CMOS RAM ATA Interface USB Interface LPC Interface Audio Codec Interface Diverse Device Power Management Controller (PMC) IDE Interface TFT LCD and Backlight Interface The Graphics Processor (GP) The Display Controller (DC) Video Processor (VP) LCD Interface Backlight Interface Configuration Jumpers iv

5 Table Of Contents USB Interface Companion Device USB Flash Drive Power Controller CN6 Port Power USB Hub CN8 Port Power Touchscreen Interface LPC Interface AC 97 Audio Interface Realtek ALC203E Speaker and Line Outputs Point Of Sale Interfaces Customer Display Interface Sending Data to the Customer Display Receiving Data from the Rear Display Receiving Data from the Pole Display Customer Display VCC Switch The LCD Customer Display Mag Stripe Reader Interface IDN Port IDN Transmit IDN Receive RS422 Termination IDN Port RS232 Interface RS232 Transmit RS232 Receive COM5 Modular RS232 Port COM1 DB9 Port Cash Drawer Interface Cash Drawer Closed Detection V Regulator System Board Hardware Revision RTL8110SC Ethernet Controller General Description PCI Bus Interface Link, Speed and Activity LED Control EEPROM Interface System Board Power Distribution Standby Domain Voltages V VCC5SB VCC3SB VCORESB VCC1.8SB Working Domain Voltages v

6 Table of Contents VCC VCC VCC VCC VCORE Working, Standby and System Reset Workstation 5 Backlight Inverter Board Functional Description Technical Description Supply Monitoring Lamp Strike Run Lamp Brightness Control Workstation 5 Troubleshooting Introduction Operational Troubleshooting Workstation 5 Boot Sequence Booting to Windows Embedded CE Booting to WEPOS Background Information Multiple Boot Configurations Windows Embedded CE WEPOS Pre-boot Firmware Applications Platform Updates CAL Power-On Self Test (POST) Errors Checking the Power Supply and System Board Voltages WS5 System Board - Standby Voltages WS5 System Board - Working Voltages Workstation Recovery and Platform Update Procedures Windows Embedded CE Using WCF Using the CAL to Configure a Workstation The CAL Downloads the POS Application Stand-Alone CAL Using Windows CE Factory Restore Factory Restore Procedure WEPOS LCD Display Related Dark LCD (No Backlight) Blank LCD (No Video) Flickering LCD LCD Backlight too Dim vi

7 Table Of Contents LCD Image Problem LCD Quality Problem Configuring the LCD Jumpers Touchscreen Related Touchscreen Not Responding after the Operating System Starts Touchscreen Calibration False Touches Local Area Network Workstation 5 Does not Connect to LAN Workstation 5 Does not Connect to LAN (Link LED OFF) Workstation 5 Does not Connect to LAN (Link LED ON) Peripheral Related IDN Port COM4 (RS422) Does Not Function RS232 COM4 Peripheral Device Does not Function COM5 RS232 Port COM1 RS232 Port Mag Stripe Reader Interface Customer Display Interface WS5 Diagnostic Windows Embedded CE WEPOS Starting the WS5DiagUtility System Information Screen - Hardware Components System Information Screen - Platform Files Activity Counters, Dump Sys Info and Recovery Image Info WEPOS System Information Screen WS5A System Board Technical Overview Workstation 5A Block Diagrams CCFL Backlights - Resistive Touchscreen - Revision C or D LED Backlights - Resistive Touchscreen - Revision C or D LED Backlights - Resistive Touchscreen - Revision F Intel Atom N450 and D510 General Features ICH8M General Features USB 2.0 Ports USB1 - USB4 Control USB Port Enable/Disable U21 - VBUS Control for USB1-USB U14 - VBUS Control for USB3-USB USB6 Data Port Switch System Board USB Ports USB0 - USB Hard Drive Control USB5 - PCI Express Port Riser Card USB7 - Right Angle 2x5 Header USB8 - Touch Controller vii

8 Table of Contents USB9 - System Board Header IDE CF Card Interface DMA Enabled CF Daughter Cards vs. Non-DMA Enabled Compatibility Issues PCI Express SPI (Serial Peripheral Interface SATA (Serial Attached ATA) PCI Bus Ethernet Intel HD Audio Speaker and Line Outputs GPIO SMBus TFT LCD and Backlight Interface LCD Interface VCC_LCD Sequencing CCFL Backlight Interface System Board Jumper J CCFL Inverter Board Configuration Jumpers Backlight Inverter Board Input Supply Monitoring Lamp Strike Run Lamp Brightness Control LPC Interface Point Of Sale Interfaces CLPD Block Diagram Recovery Button Operation Customer Display Interface Sending Data to the Customer Display(s) Receiving Data from the Rear Display Receiving Data from the Pole Display Customer Display VCC Switch Magnetic Stripe Reader IDN Port IDN Transmit IDN Receive RS422 Termination IDN Port RS232 Interface RS232 Transmit RS232 Receive COM5 Modular RS232 Port COM2 Modular RS232 Port COM1 DB9 Port viii

9 Table Of Contents Cash Drawer Interface Cash Drawer Closed Detection V Regulator System Board Hardware Revision Workstation 5A Troubleshooting Operational Troubleshooting Workstation 5A Boot Sequence Booting to Windows Embedded CE Checking the Default Boot Device BBS Booting to the Windows Embedded CE 6.0 Desktop Windows CE Platform Update Issues Booting to POSReady Background Information Multiple Boot Configurations Windows Embedded CE POSReady 2009 (USB Hard Drive) POSReady 2009 (SATA HDD/SSD) Platform Updates CAL Checking the Power Supply and System Board Voltages WS5A System Board - Standby Voltages WS5A System Board - Working Voltages Workstation Recovery and Platform Update Procedures Windows Embedded CE WCF Using the CAL to Configure a CE Workstation The CAL downloads the POS Application Stand-alone CAL Using Windows CE Factory Restore WINCE Factory Restore Procedure POSReady Automated Recovery CF SO-DIMM Related LCD Display Related Dark LCD (No Backlight) Blank LCD (No Video) Flickering LCD LCD Backlight too Dim LCD Image Problem LCD Quality Problem Configuring the LCD Jumpers Touchscreen Related Touchscreen Not Responding Touchscreen Calibration False Touches ix

10 Table of Contents Local Area Network (LAN) Related Workstation 5A Does Not Connect to the LAN WS5A will not connect to LAN (Link LED OFF) WS5A will not connect to LAN (Link LED ON) Peripheral Related IDN Port COM4 (RS422) Does Not Function IDN Port COM4 (RS232) Peripheral Device Does Not Function COM5 RS232 Port COM1 RS232 Port Mag Stripe Reader Interface Customer Display Interface Mechanical Related Power Button Sticks WS5A Diagnostics Windows Embedded CE POSReady Starting the WS5ADiagUtility System Information Screen - Hardware Components System Information Screen - Platform Files Other Platform Files and Folders Activity Counters, Dump Sys Info and Recovery Image Info Remove and Replace the Workstation 5 FRUs Disassembling the Workstation 5 and 5A Workstation Workstation 5A with CCFL Backlights Workstation 5A with LED Backlights Magnetic Card Reader The Power Supply LCD/Touchscreen Procedures CCFL Backlights LED Backlights Optional Capacitive Touchscreen Touchscreen LCD Panel Backlight Inverter Board Capacitive Touchscreen Interface Board The System Board System Board Remove and Replace - Workstation USB Hard Drive DDR Memory BIOS EEPROM Mini-PCI Wireless Card System Board Remove and Replace - Workstation 5A USB Hard Drive x

11 Table Of Contents BIOS Chip SO-DIMMs SATA Hard Disk The Integrated LCD Customer Display Reassembling the Workstation 5 and Workstation 5A Connector and Cable Diagrams IO Panel Connectors A-2 10/100 Ethernet Connector A-4 RS232 Connector A-4 Cash Drawer 1 and 2 Connectors A-5 PS2 Mouse/Keyboard Connectors A-6 Remote Customer Display Connector A-6 System Board Connectors A-7 Magnetic Stripe Interface A-7 Hook-up Cables A-8 RS232 from the RS422-A and RS422-B Ports A-8 Ethernet A-9 8-Pin to 6-Pin Hook-up RS422 Cable ( ) A-11 Cash Drawer Extension Cable A-12 xi

12 Table of Contents xii

13 Preface In this preface, you ll find information about this manual. Refer to the preface if you have questions about the organization, conventions, or contents of this manual. In this section Why Read This Manual?... ix How This Manual Is Organized...xi Notation Conventions...xii Workstation 5 and 5A Field Service Guide - 3rd Edition ix

14 Preface Why Read This Manual? Why Read This Manual? Purpose This hardware-only guide is intended for those who will be troubleshooting and repairing the MICROS Workstation 5 and Workstation 5A. Who Should Use This Manual? Bibliography This manual is intended for qualified service personnel who have experience with the configuration and troubleshooting of MICROS point of sale terminals. The ability to read schematics and a working knowledge of microprocessor based systems and related test equipment is required. The circuit and detailed start-up descriptions contained in this manual are intended to give the technician a working knowledge of the hardware to be used as an aid in the troubleshooting and repair of the equipment. Workstation 5 AMD Geode LX Processor Databook - October 2005 AMD Geode CS5536 Companion Device Databook Realtec RTL8110SC Integrated Gigabit Ethernet Controller Data Sheet SMSC Integrated USB 2.0 Compatible Hub Datasheet Revision 1.8 Winbond W83627HF/F Super IO Datasheet Version 2.0 Workstation 5A Intel Pineview-M Processor External Design Specification Volumes 1 and 2. Reference Numbers and February Intel Atom Processor N400 Series Data Sheets Volumne 1 and 2. Reference Numbers and April Intel I/O Controller Hub 8 (ICH8) Family Data Sheet - May 2007 Winbond W83627HF/F Super IO Datasheet Version 2.0 x Workstation 5 and 5A Field Service Guide - 3rd Edition

15 Preface How This Manual is Organized How This Manual is Organized Welcome to the 3st Edition of the Workstation 5 Field Service Guide. This Edition adds the Workstation 5A, the follow on to the Workstation 5. Chapter 1 lists the Workstation Field Replacement Units (FRUs). This includes casework, LCD and Touchscreen components, the Workstation 5 system board and components. Images of each FRU are included to avoid confusion. Chapter 2 provides technical descriptions of the Workstation 5 System Board with emphasis on the POS Interfaces including IDN, Customer Display, Mag Stripe Reader and Cash Drawer interfaces. Other topics include a description of the USB Interfaces and the System Board Power Distribution. Chapter 3 covers WS5 troubleshooting. The Chapter starts off with a detailed start up description of the supported operating systems and provides voltage test points for the internal power supply and system board voltage regulators. Chapter 4 provides technical descriptions of the Workstation 5A System Board with emphasis on the POS Interfaces including IDN, Customer Display, Mag Stripe Reader and Cash Drawer interfaces. Other topics include a description of the LCD and USB Interfaces. Chapter 5 covers WS5A troubleshooting. The Chapter starts off with a detailed start up description of the supported operating systems and provides voltage test points for the internal power supply and system board voltage regulators. Chapter 6 includes the FRU remove/replace procedures for both the Workstation and Workstation 5A. Appendix A includes pin-out diagrams for all WS5 IO Port connectors and related hook-up cables. Workstation 5 and 5A Field Service Guide - 3rd Edition xi

16 Preface Notation Conventions Notation Conventions Symbols NOTE This symbol brings special attention to a related item. WARNING This symbol indicates that specific handling instructions or procedures are required to prevent damage to the hardware or loss of data. SHOCK HAZARD This symbol calls attention to a potential hazard that requires correct procedures in order to avoid personal injury. STATIC SENSITIVE DEVICES This symbol indicates that specific ESD handling procedures are required. Document Design and Production Desktop Publishing: Adobe FrameMaker Images: Nikon, Canon Line Drawings: Corel Draw! Image Processing: Paint Shop Pro xii Workstation 5 and 5A Field Service Guide - 3rd Edition

17 Chapter 1 Introduction to the WS5/WS5A FRUs This Chapter lists all available Workstation 5 and introduces the Workstation 5A Field Replaceable Units (FRU). In this chapter Introduction Casework and Mag Stripe Reader System Boards and FRUs Power Supplies LCD, Touchscreen, and Backlight Inverter Cables Workstation 5 Adjustable Stand Accessories LCD Customer Display Workstation 5 and 5A Field Service Guide - 3rd Edition 1-1

18 Introduction to the WS5/WS5A FRUs Introduction Introduction This edition of the Workstation 5 Field Service Guide introduces the Workstation 5A system board and its related FRUs. With the exception of the system board, system board components, and power supply, the casework, LCD/Touchscreen components, and Mag stripe reader are common to both workstations. FRUs are grouped into the following categories. Casework and Mag Stripe Reader The Workstation and Workstation share the same casework plastics and Mag Stripe Reader assembly. System Board Components and Power Supply This section contains the bare system board and FRUs such as the USB Flash Drive, BIOS EEPROM, and DIMMs or SO-DIMMs. A brief revision history for each board is also included. Workstation 5 System Board and Components This section includes the replacement Workstation 5 Main Board and components such as the bare system board, power supply, CF Daughter Card, USB Flash Drive, DIMM, and CF Card. Workstation 5A System Board and Components This section includes the bare Workstation 5A main board and major components including a new DMA Enabled CF Daughter Card, DDR2 SO-DIMM, and DMA Enabled CF card. Power Supplies This section lists the replacement power supplies for the WS5 and WS5A. LCD Touchscreen Assembly This section details the LCD Touchscreen Assembly components and includes the CCFL Backlight Inverter Board common to both systems. Cables This section contains all internal cable assemblies as well as several optional cables. The Workstation 5A adds one additional internal cable for the powered USB port. Workstation 5 Adjustable Stand Accessories Because they share the same base, the Workstation 5 and Workstation 5A use the adjustable stand and accessories. This section lists the options available for the Workstation 5 and 5A Adjustable Stand. LCD Customer Display This sections lists FRUs available for the Optional Integrated and Pole mount LCD Customer Display. 1-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

19 Introduction to the WS5/WS5A FRUs Casework and Mag Stripe Reader Casework and Mag Stripe Reader Figure 1-1, below displays the plastic and Mag Card Reader FRUs shared by both the Workstation 5 and Workstation 5A. Figure 1-1: Workstation 5 and 5A Casework and Mag Card Reader Touchscreen Gasket, Workstation 5 - P/N The touchscreen gasket is pressed into a groove around the inside of the Top Cover. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-3

20 Introduction to the WS5/WS5A FRUs Casework and Mag Stripe Reader Top Cover, Workstation 5/5A - P/N Includes Operator LED lens and pre-installed captive mounting screws. Touchscreen Gasket not included. Door, /w Logo Insert, Workstation 5/5A - P/N Snap-in Rear IO Door with removable MICROS logo insert. Base, Workstation 5/5A - P/N The base contains the chassis, system board, power supply and Mag Card Reader assembly. Mounting hardware, Mag Card Reader assembly and power button actuator not included. Mag Card Cover - No MSR - P/N Magnetic Card Reader Cover for instances where the MSR is not required. Does not include MSR. Mag Card Reader Assembly, MCR /w Cable and Cover - P/N Fully assembled Magnetic Card Reader /w cable and plastic mounting bracket. Power Button Actuator, /w Light Pipe and Screw - P/N Improved actuator assembly includes light pipe and mounting screw. Installs in the base to activate the System Board power switch. CF Cover /w Screws and MICROS Logo Cover - P/N Includes the slotted CF Cover introduced with the Workstation 5A. 1-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

21 Introduction to the WS5/WS5A FRUs System Boards and FRUs System Boards and FRUs The Workstation 5 and 5A system boards and components are preceded by a short history of the board revisions, components used, etc. Workstation 5 Workstation 5 - System Board History Over its three-year plus life, a total of three Workstation 5 System Board Revisions were produced. The system board revisions did not introduce significant changes to connectors or cables. Production of the Workstation 5 ended on October 2010 and the last unit shipped on December 20, A total of units were produced. The table below lists each system board revision, the start and end ship dates, starting serial number and total quantity. Bd REV Start End Approx S/N Qty. REV E September 2007 December REF F November 2008 October REF G August 2010 October < 4000 Figure 1-2: Workstation 5 System Board Revisions, Quantities and Serial Numbers All Workstation 5s used a Sharp LCD with CCFL Backlights and ELO Resistive Touchscreen and Controller. The optional capacitive touchscreen did not enter production. The majority of Workstation 5s are based on Windows CE and shipped with a 256MB CF Card, 256MB USB Hard Drive, and a single 256MB DDR DIMM. The replacement Workstation 5 System Board and components are shown on the next page. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-5

22 Introduction to the WS5/WS5A FRUs System Boards and FRUs Workstation 5 System Board and FRUs Figure 1-3, below lists the Workstation 5 System Board FRU and available components. Figure 1-3: Workstation 5 System Board and Components Main Board, Bare, Workstation 5 - P/N Bare ABRD88 main board supplied without DIMM, USB Flash Drive, CMOS Battery, or CF Daughter Card. 1-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

23 Introduction to the WS5/WS5A FRUs System Boards and FRUs USB Flash Drive, 4GB - P/N Blank 4GB USB Flash Drive used for WEPOS, and later POSReady The USB Flash Drive is also compatible with the Workstation 5A, but the POSReady images are not compatible. The WEPOS Recovery Kit, can be used to restore the WS5 WEPOS image to the USB Flash Drive. See chapter 3 for more information about recovering the WEPOS image. USB Flash Drive, 256MB - P/N The 256M USB Flash Drive is pre-loaded with the Windows Embedded CE 6.0 operating system, platform files and the CAL client utility. Installs in system board header J9. Do not use on the Workstation 5A. IC, BIOS ROM, WS5 - P/N The pre-programmed 1M BIOS ROM installs in system board socket U36. Not compatible with the Workstation 4 LX. Compact Flash Daughter Card - P/N The CF Daughter Card attaches to the IDE1 connector on the System Board. Does not include CF Card, cover and mounting screws. Also compatible with the KWS4, PCWS 2010, the Workstation 4 and Workstation 4 LX. Do not use on the Workstation 5A. The Workstation 5A uses the DMA Enabled CF Daughter Card P/N For more information about DMA Enabled CF Cards and Riser Cards and how they differ from the non-dma counterparts, see the WS5A Technical Overview in Chapter 4. Compact Flash Cards, 256M - P/N: Blank formatted 256M Compact Flash Card. The 256MB CF is standard for Windows CE, but optional for WEPOS/POSReady Compatible with the KWS4, PCWS 2010, the Workstation 4 and Workstation 4 LX. Do not use on the Workstation 5A or PCWS DIMM, DDR M - P/N DDR333 DIMM used in the Windows Embedded CE 6.0 configuration. Also compatible with the Workstation 4 LX and PCWS DIMM, DDR M - P/N Suitable for WEPOS/POSReady Also compatible with the Workstation 4 LX and PCWS DIMM, DDR333, 1GB - P/N Suitable for WEPOS/POSReady Also compatible with the Workstation 4 LX and PCWS Battery, CR P/N CR2032 Lithium Coin Cell. This battery is used on all current system boards. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-7

24 Introduction to the WS5/WS5A FRUs System Boards and FRUs Workstation 5A Workstation 5A System Board - Short History The Workstation 5A system board is of course a spin of the AMD based Workstation 5 system board to the Intel Pineview M Platform. As released, the WS5A System Board uses the Pineview M Atom N450 Processor coupled with the ICH8M IO Controller Hub. Although the Atom N450 and ICH8M are mobile components, this combination consumes more power (~10W) than the AMD processor and chipset used in the Workstation 5. In order for the Workstation 5A to remain fan-less, improved cooling methods are required. For example, both the processor and IO controller reside on the bottom of the system board. Thermal transfer pads come into direct contact with the copper heat spreader (N450) and magnesium alloy chassis (ICH8M). The new system board, chassis, and reduced footprint power supply fit into the same casework and use the same LCD/Touchscreen assembly as the original Workstation 5. Revision C A small number of Workstation 5A units - the first 250 (s/n 501 ~ 750) - shipped with Revision C System Boards and Windows Embedded CE 6.0. Revision D The Revision D board is currently shipping with more than 50K units in field as of June Revision D Boards fully support Windows Embedded CE or POSReady Currently, the majority of Revision D boards run Windows Embedded CE 6.0. Others are configured to run POSReady 2009 on a 4GB or 8GB USB Hard Drive. A small but increasing number run POSReady 2009 from the optional SATA SSD. LED Backlights - DC-to-DC Converter On System Board With the exception of twenty units (s/n ), all WS5A workstations units shipped with CCFL Backlights as of early These units use an LCD with LED backlights (AUO G150XG01 V2) that rely on a DC-to-DC converter (U68) located on the system board. The Backlight Interface cable connects between the panel and J31. Both the LCD and Backlight interface cable are not compatible with the LED backlight and interface cable shipping on the PCWS On the majority of Workstation 5As using CCFL backlights, the DC-to-DC converter and connector J31 are not populated. The twenty system boards configured for LED backlights may not include the CCFL backlight connector. 1-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

25 Introduction to the WS5/WS5A FRUs System Boards and FRUs Revision F The Revision F System Board will replace the Revision D System Board in the summer of It continues to use the Intel Atom N450 Processor, and adds the following features. Unified backlight connector, similar to J1 on the PCWS This connector allows either CCFL or LED backlight LCDs to be attached. Revision D and older system boards used separate connectors for each backlight configuration. USB6 port voltages now toggle when the workstation is restarted. The Revision F board adds a GPIO line to control a group of new DC switches that toggle the USB6 voltages On-Off-On when the workstation is restarted. This is intended to fully reset peripherals such the Protege Customer Display. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-9

26 Introduction to the WS5/WS5A FRUs System Boards and FRUs Workstation 5A System Board and FRUs Figure 1-4, below shows the bare Workstation 5A System Board and available FRUs including the WS5A POSReady CF Recovery Kit. Figure 1-4: Workstation 5A Main Board and Accessories Main Board, Bare, Workstation 5A - P/N The ABRF49 System Board is supplied without CF, SO-DIMM, USB Flash Drive, CMOS Battery, or CF Daughter Card Workstation 5 and 5A Field Service Guide - 3rd Edition

27 Introduction to the WS5/WS5A FRUs System Boards and FRUs USB Flash Drive, 256MB - P/N The 256M USB Flash Drive is pre-loaded with the Windows Embedded CE 6.0 operating system, platform files and the CAL client utility. Installs on system board connector J8. Do not use on the Workstation 5 - the Windows CE images are not compatible. USB Flash Drive, 4GB - P/N Blank 4GB USB Flash Drive for POSReady 2009 configurations. USB Flash Drive, 8GB - P/N Blank 8GB USB Flash Drive for some POSReady 2009 configurations after early WS5A System Recovery Kit, P/N Consisting of a WS5A Recovery CF and hex wrench for removing the CF Card Cover, it provides a means of restoring the WS5A factory or customer specific POSReady 2009 image. The image can be restored to USB Flash Drive, or optional solid state drive. Recovery CF and image are not compatible with the Workstation 5. Compact Flash Board, DMA Enabled - P/N The Workstation 5A introduces support for Direct Memory Access (DMA) CF Cards to improve performance. Does not include the CF Card, cover and mounting screws. For best performance, approved DMA Enabled CF Cards should be used. The DMA enabled CF Riser Card and DMA Enabled Compact Flash Cards may not compatible with KWS4, PCWS 2010, the Workstation 5, Workstation 4/4 LX. Compact Flash Cards, Dual Channel DMA Enabled - P/N: See Figure 1-4. Blank formatted CF Cards are available in sizes of 256Mb, 512Mb and 4GB. The 512Mb CF is standard for Windows CE, and the 4GB card is used in some Simphony configurations. The POSReady 2009 configuration does not require CF Card, but one can be installed for backup storage and the CF slot can be used for the optional image Recovery CF. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-11

28 Introduction to the WS5/WS5A FRUs System Boards and FRUs Workstation 5A Hard Drive Option The Figure below displays the optional 80GB Solid State Drive option and the Installation Kit. Figure 1-5: WS5A Hard Drive Option and Installation Kit HD, 80G SSD, SATA II I/F, 2.5, INTEL SSDSA2CW080G3K5 - P/N The SSD is blank and does not include cables or mounting hardware. HD Installation HW-SATA Data & Power Cables, Mounting Plate, Hardware - No HD If the SATA Data Cable or Power Cable becomes damaged and must be replaced, order the WS5A HD Installation Kit Workstation 5 and 5A Field Service Guide - 3rd Edition

29 Introduction to the WS5/WS5A FRUs Power Supplies Power Supplies Both the Workstation 5 and Workstation 5A employ +12V 100W open frame power supplies, with a unique footprint. Workstation 5 Power Supply - P/N The Workstation 5 uses a +12V 100 Watt open frame power supply in a 3 x 5 inch footprint. Figure 1-6 shows two examples; XP Power (left) and Powerbox (right). Not compatible with the Workstation 5A or Workstation 4/4 LX. Figure 1-6: Workstation 5 Power Supplies Workstation 5 and 5A Field Service Guide - 3rd Edition 1-13

30 Introduction to the WS5/WS5A FRUs Power Supplies Workstation 5A Power Supply The Workstation 5A also uses a +12V 100W open frame power supply but with a smaller 2 1/2 x 4 1/2 footprint. Figure 1-7 below, shows the current XP Power power supply. This power supply is also used in the Order Confirmation System Remote Display Unit. Not compatible with the Workstation 5 or Workstation 4/4 LX. Figure 1-7: Workstation 5A Power Supply 1-14 Workstation 5 and 5A Field Service Guide - 3rd Edition

31 Introduction to the WS5/WS5A FRUs LCD, Touchscreen, and Backlight Inverter LCD, Touchscreen, and Backlight Inverter The Workstation 5 and Workstation 5A currently share the same LCD/Touchscreen Assembly. Figure 1-8, displays each FRU. Figure 1-8: LCD and Touchscreen Assembly FRUs (CCFL Backlights) Touchscreen Panel, 15.0 Resistive - P/N The 5-wire resistive touch panel compatible with the Workstation 5, 5A and the PCWS Bracket, LCD and Touchscreen Assy, /w captive screws - P/N This bracket houses the touchscreen glass and the LCD panel. Workstation 5 and 5A Field Service Guide - 3rd Edition 1-15

32 Introduction to the WS5/WS5A FRUs LCD, Touchscreen, and Backlight Inverter Display 15 LCD, WS5 and WS5A - P/N Replacement 15 LCD Panel /w CCLF backlights. Compatible with the Workstation 5 and 5A. Inverter Board, WS5 and WS5A - P/N Push-pull Backlight Inverter Board, XBRE38 attaches to the back of the LCD plate. Compatible with the Workstation 5 or Workstation 5A equipped with a CCFL LCD Panel. Cable, Inverter Bd, WS5/WS5A - P/N Connects between J1 on Inverter Board XBRE38 and J3 (WS5) or J1 (WS5A). Cable, LVDS LCD Data, WS5/WS5A - P/N Connects between the LCD Panel and J8 (WS5) or J6 (WS5A). This cable is about 420mm in length and compatible with all revisions. For more information about backlights, see the WS5A System Board history in this Chapter Workstation 5 and 5A Field Service Guide - 3rd Edition

33 Introduction to the WS5/WS5A FRUs Cables Cables This section contains all internal and external cables. Except where noted, most are common to both the Workstation 5 and Workstation 5A. LCD Data Cable WS5/WS5A - P/N This cable connects between the System Board J8 and the LCD panel data connector. Figure 1-9: Workstation 5 or 5A LVDS LCD Data Cable Cable, Inverter Board WS5/WS5A - P/N This cable connects between the System Board J3 and J1 on the CCFL Backlight Inverter Board. Figure 1-10: Workstation 5 or 5A CCFL Backlight Inverter Board Cable Workstation 5 and 5A Field Service Guide - 3rd Edition 1-17

34 Introduction to the WS5/WS5A FRUs Cables Cable, Powered USB Jumper Cable for WS5A - P/N This cable connects between the 2x5 USB header J14 and a cut-out in the IO Panel labeled USB6. This cable can also be found on the USB6 connector of the PCWS Not compatible with the Workstation 5. Figure 1-11: WS5A Internal USB Power Cable Cable, LCD Rear Display, KWS4/WS4 Internal - P/N Compatible with the Workstation 5 and 5A. This cable is connected between the system board and the IO panel for the LCD Customer Display. Figure 1-12: Internal LCD Customer Display Interface Cable 1-18 Workstation 5 and 5A Field Service Guide - 3rd Edition

35 Introduction to the WS5/WS5A FRUs Cables Cable Kit, AC Power In - DC Power Out - WS5/WS5A - P/N This kit consists of two cable assemblies. The AC Power In cable includes the AC Input Receptacle and AC input wiring and connects to the power supply. The DC Power Out cable connects between the Power Supply and the Workstation 5 (J16) or Workstation 5A (J29) System Boards. Figure 1-13: Workstation 5 or 5A AC In - DC Out Cable Kit WS5/WS5A, AC Power Cable, RT Angle - P/N Replacement Power Cable for the Workstation 5 and 5A. Figure 1-14: Workstation 5/5A Replacement AC Power Cable Workstation 5 and 5A Field Service Guide - 3rd Edition 1-19

36 Introduction to the WS5/WS5A FRUs Cables Dongle, RJ45-DB9, IDN Port to RS232 2-Wire Serial - P/N This cable brings out the RS232 conductors from the IDN port to a DB9 connector. Figure 1-15: Converting the IDN Port to RS232 DB9 Serial Port Conversion Dongle, COM5, RJ45 to DB9 - P/N This cable converts the modular COM5 serial connector to a DB9 connector. Figure 1-16: Converting the Modular COM5 Port to RS232 DB Workstation 5 and 5A Field Service Guide - 3rd Edition

37 Introduction to the WS5/WS5A FRUs Cables Cable Assembly, Finger Print Reader, WS5/WS5A - P/N Complete cable assembly for the optional Finger Print Reader that mounts to the Workstation 5 or 5A Top Cover. Figure 1-17: Optional Finger Print Reader Cable Assembly Cash Drawer Extension Cables For upgrades or under-the-counter installations, the following extended length cables are available. Part Number Description Foot Cash Drawer Extender Cable Foot Cash Drawer Extender Cable Foot Cash Drawer Extender Cable Workstation 5 and 5A Field Service Guide - 3rd Edition 1-21

38 Introduction to the WS5/WS5A FRUs Workstation 5 Adjustable Stand Accessories Workstation 5 Adjustable Stand Accessories This section contains several items for the optional Adjustable Stand. USB Extension Cable & Bracket for WS5/WS5A Adj Stand - P/N USB Extension Cable plugs into the WS5/WS5A IO panel and attaches to the base of the Adjustable Stand with the supplied bracket and screws. Cable appearance may vary. Figure 1-18: Adjustable Stand USB Extension Cables Kit, Cable Tie Straps and Lock Screws for WS5/5A Stand - P/N Figure 1-19: WS5/WS5A Adjustable Stand Tie Straps and Security Screw Kit 1-22 Workstation 5 and 5A Field Service Guide - 3rd Edition

39 Introduction to the WS5/WS5A FRUs Workstation 5 Adjustable Stand Accessories Workstation 5/5A Adjustable Stand Security Screw Kit (20) - P/N Figure 1-20: Adjustable Stand Security Screw Kit Third Party Mounting Adapter for WS5/5A Stand - P/N The mounting adapter installs in place of the Adjustable Stand Logo Badge as shown in the Figure below. It can be used to mount a variety customer facing devices. Figure 1-21: Adjustable Stand Third Party Mounting Adapter Workstation 5 and 5A Field Service Guide - 3rd Edition 1-23

40 Introduction to the WS5/WS5A FRUs LCD Customer Display LCD Customer Display This section lists the available FRU s for the LCD Customer Display. The WS4, KWS4, WS4 LX, WS5, WS5A and PCWS 2015 support this display. LCD Interface Board - P/N The LCD Customer Display Interface Board is used for the Integrated, Pole and Adjustable Stand Pole mounted display. This board also drives the Operator Display in the KWS4. Figure 1-22: LCD Customer Display Interface Board LCD Module, Optrex - P/N The 240x64 Monochrome LCD Module is used for the Rear and Pole Mount LCD Customer Display. It is also used for the Operator Display on the KWS4. Figure 1-23: Optrex LCD Module for the LCD Customer Display 1-24 Workstation 5 and 5A Field Service Guide - 3rd Edition

41 Introduction to the WS5/WS5A FRUs LCD Customer Display Cable, LCD Pole and Rear Display Head - P/N This replacement cable connects between the LCD Interface Board in the rear or pole LCD display housing to cable (Integrated/Rear) or (Pole). Figure 1-24: Replacement LCD Customer Display Cable Cable Extension, LCD Pole Display - P/N This cable is installed in the pole and connects between (above) and the WS4, WS4 LX, WS5/WS5A or KWS4 I/O Panel. Figure 1-25: Replacement LCD Pole Extension Cable LCD Customer Display Poles Three sizes are available, they can be used as a replacement or conversion for kit , or Part Number Description Replacement 6 Inch Pole Replacement 12 Inch Pole Replacement 18 Inch Pole Workstation 5 and 5A Field Service Guide - 3rd Edition 1-25

42 Introduction to the WS5/WS5A FRUs LCD Customer Display Kit, Front/Rear Cover, /w Lens, Screws, Pole Mount Hinge - P/N LCD Customer Display housing kit with Front and Rear Plastic covers, pole mount and pre-installed 2nd generation hinge assembly. Figure 1-26: Pole LCD Display Plastic Replacement Kit Workstation 5/5A Integrated LCD Bracket is not yet available. The WS4 and WS4LX bracket is not compatible. Hinge Set, LCD Customer Display - P/N The hinge set is compatible with the LCD Customer Display and Protege Customer Display Integrated or Pole mount. Figure 1-27: Rear/Pole Hinge Set /w Mounting Screws 1-26 Workstation 5 and 5A Field Service Guide - 3rd Edition

43 Chapter 2 Workstation 5 System Board Technical Descriptions This chapter provides technical descriptions of the Workstation 5 System Board major circuits and most POS Interfaces. In this chapter Workstation 5 System Board Block Diagram LX800 Processor and TFT Controller CS5536 Companion Device TFT LCD and Backlight Interface USB Interface Touchscreen Interface LPC Interface AC 97 Audio Interface Point Of Sale Interfaces RTL8110SC Ethernet Controller System Board Power Distribution Workstation 5 and 5A Field Service Guide - 3rd Edition 2-1

44 Workstation 5 System Board Technical Descriptions Workstation 5 System Board Block Diagram Workstation 5 System Board Block Diagram Figure 2-1 displays a block diagram of the Workstation 5 with a the standard 5-wire resistive touchscreen. This configuration represents production units throughout the life of the product. Figure 2-1: Workstation 5 Block Diagram /w Resistive Touchscreen All Workstations 5s were produced using LCDs with CCFL backlights and Resistive Touch screen Panels. The available Capacitive touchscreen interface did not enter production. 2-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

45 Workstation 5 System Board Technical Descriptions LX800 Processor and TFT Controller LX800 Processor and TFT Controller REF: ABRD88 - Sheets 1, 2, 5 and 6 Figure 2-2 displays a block diagram of the LX800 processor. Figure 2-2: AMD Geode LX800 Processor/TFT Controller Block Diagram Workstation 5 and 5A Field Service Guide - 3rd Edition 2-3

46 Workstation 5 System Board Technical Descriptions LX800 Processor and TFT Controller Processor Core The processor core consists of an integer unit, cache memory subsystem, and an x87 compatible floating point unit. The integer unit contains the instruction pipelines and associated logic. The memory subsystem contains the instruction and data caches, translation look-aside buffers (TLBs) and an interface to the GeodeLink Interface Units (GLIUs). The LX800 instruction set is based on a combination of Intel s Pentium, the AMD K6 processor, and the Athlon Floating point unit, and the AMD Geode LX processor specific instructions. GeodeLink Interface Units The pair of GeodeLink Interface Units (GLIU0 and GLIU1 in the LX800 block diagram, Figure 2-2) form the heart of GeodeLink architecture. Each features a built-in arbiter that enables dynamic allocation of memory bandwidth, with on-the-fly prioritization. Internally each GLIU includes seven channels, with channel 0 reserved for the GLIU itself and not considered a physical port. Together, GLIU0 and GLIU1 make up the internal bus comprised of the GeodeLink architecture. GLIU0 connects to the five modules that require high bandwidth, and GLIU1 connects to the five low bandwidth modules. GLIU0 is connected to modules with high-bandwidth requirements: CPU Core GeodeLink Memory Controller (GLMC) Graphics Processor Display Controller GLIU1 (GeodeLink Interface Unit 1). GLIU1 is connected to modules with lower bandwidth requirements: GeodeLink Control Processor (GLCP) Video Input Port GeodeLink PCI Bridge TFT Controller/Video Output Port (VOP) Security Block. 2-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

47 Workstation 5 System Board Technical Descriptions LX800 Processor and TFT Controller GeodeLink Memory Controller The GeodeLink Memory Controller provides all of the LX800 memory needs. The GLMC is capable of handling multiple requests for memory data from the CPU core, the Graphics Processor, the Display Controller and the external PCI bus via the GeodeLink Interface Units (GLIUs). Contention for memory bandwidth between the various modules is minimized by extensive buffering logic. Because the GLMC supports the memory requirements of both the CPU core and display sub-system, it is classified as a Unified Memory Architecture (UMA) subsystem. The 64-bit DDR SDRAM Interface as implemented on the LX System Board, supports unbuffered DDR 333/400 DIMMs up to 2GB. Unified Memory Architecture (UMA), UMA enables up to 2GBps memory bandwidth while using single memory interface. The DDR Memory array contains both the main system memory and the graphics frame buffer. GeodeLink Control Processor The GeodeLink Control Processor is used for software debugging and performance analysis. GeodeLink PCI Bridge The GeodeLink PCI Bridge (GLPCI) module provides the PCI interface for the LX800 system. It is comprised of five major sections or blocks, briefly described below. GeodeLink Interface Block The GeodeLink Interface Block provides a conversion layer between the GeodeLink Interface Unit 1 (GLIU1) and the Transaction Forwarding Block. FIFO/Synchronous Block The FIFO module consists of a group of in-bound and out-bound FIFOs. Each FIFO provides a simple, synchronous interfaces to read and write requests. Transaction Forwarding The Transaction Forwarding block receives, processes and forwards transaction requests and responses between the GeodeLink Interface and PCI Bus Blocks. Transaction ordering rules are implemented and write gathering and read pre-fetching are performed as required. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-5

48 Workstation 5 System Board Technical Descriptions LX800 Processor and TFT Controller PCI Bus Interface Block The PCI Bus Interface provides a protocol conversion layer between the transaction forwarding block and the PCI bus. The master and target portions of this block operate independently. The PCI Bus Interface Block implements the logic to generate PCI configuration cycles. The standard mechanism for generating PCI Configuration cycles (as described in the PCI 2.2 Specification) is used. PCI Bus Arbiter The PCI Arbiter implements a fair arbitration scheme with special support for the CD5536 companion device. By default it operates as a simple round robin arbiter that rotates three request/grant priorities in a circular fashion. GeodeLink Interface General Description The GeodeLink Interface is a non-traditional high bandwidth packetized uni-directional bus for internal peripherals. The GeodeLink architecture connects the internal modules of the LX800 and companion device using the data ports defined by GeodeLink Interface Units. Transactions between GeodeLink Devices and the GLIU are conducted with packets. The GLIU accepts request packets from masters and routes them to slaves. Similarly, slave response packets are routed back to the master. The bus is non-blocking. Several requests can be pending, but order is not guaranteed. All packets have one source and one destination, broadcasts are not allowed. The existence of the GeodeLink architecture is generally invisible to the user or even a system programmer. All GeodeLink initialization and support is handled at the BIOS level, and additionally provides a Virtual PCI Configuration Space to abstract the GeodeLink architecture to industry standard interfaces. Through the Virtual PCI Configuration Space, all GeodeLink devices appear in one PCI multi-function configuration space header on the external PCI bus. 2-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

49 Workstation 5 System Board Technical Descriptions CS5536 Companion Device CS5536 Companion Device REF: ABRD88 - Sheets 8, 9 and 10 The CS5536 Companion Device is designed to work with the LX800, a processor with an integrated memory controller. Together, the LX800 processor and CS5536 Companion Device provide a low power, high performance embedded solution for both the Workstation 4 LX and the Workstation 5. The internal architecture is based on the high-performance GeodeLink architecture that yields high internal speed (over 4 GB/s) data movement and versatile power management. Communications with the AMD LX800 processor is over the 66Mhz PCI Bus. The Geode Companion device includes many IO functions on-chip. These include: System Management Bus (SMB) Controller The SMB is a two-wire synchronous serial interface compatible with the System Management Bus physical layer. On the WS5 system board, the SMB controller in the Companion Device is connected to Ethernet Controller U22, as well as each DDR DIMM socket. Serial Interface The CS5536 includes two high-speed industry standard serial ports, configured to support the Customer Display and IDN Interfaces. The UARTs are and software compliant and support baud rates up to kbps. Real Time Clock (RTC) and CMOS RAM The companion device contains the equivalent of Motorola MC146818A compatible real time clock. The clock performs two functions. It keeps track of the time and date when the system is not connected to AC power, and provides 242 bytes of non-volatile memory for storing BIOS and system data. The clock contains separate registers for seconds, minutes, hours, days (both day of week and day of month), months, and years. The RTC operates from a Khz crystal and is powered from a 3V lithium battery that can maintain operation for several years. ATA Interface The IDE Interface is an ATA-5 specification compatible IDE controller (ATAC). Two devices are supported, using PIO Modes 0 through 4, MDMA modes 0 to 2, and UDMA/66 mode 0 through 4. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-7

50 Workstation 5 System Board Technical Descriptions CS5536 Companion Device The interface provides a variety of features to optimize system performance, including 32-bit disk access, post write buffers, bus master, look-ahead read buffer, and pre-fetch mechanism. On the WS5 System Board, the CF Card resides on the ATA Interface in socket IDE1. USB Interface The CS5536 Companion Device includes four Universal Serial Bus (USB) 2.0 compliant ports, supporting low speed, full speed, and high-speed connections. Each port supports wake-up events and feature over-current and power control support. The ports can be enabled individually to react to over-current events. Port 4 supports the USB 2.0 On-The-Go supplement version 1.0 specification, but this feature is not supported on the WS5 system board. One USB output from the Companion Device is fed to an on-board USB hub controller. See the System Board USB Interface Section for more information. LPC Interface The LPC is based on Intel s Low Pin Count (LPC) specification version 1.0. The controller can convert an internal local bus memory or IO cycle to an external LPC cycle. It receives serial IRQs from the LPC bus and converts them to parallel form so they can be routed to the IRQ mapper and interacts with the Legacy DMA logic to perform DMA between on-chip and off-chip devices. The LPC interface supports memory, I/O, DMA, and firmware hub based devices. Audio Codec Interface The codec interface is AC97 V2.3 compliant and contains support for any AC97 audio codec with Sample Rate Conversion (SRC). The WS5 System board uses a Realtek ALC203 Audio Codec and audio amplifier to drive a pair of internal speakers. See the AC 97 Audio Interface section for more information. Diverse Device The Diverse Device is comprised of the legacy PC functionality required for most designs. 2-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

51 Workstation 5 System Board Technical Descriptions CS5536 Companion Device Power Management Controller (PMC) This module is a GeodeLink Device whose function is to control all aspects of power management. Power Management is event driven - any action the PMC carries out is predicated on some event. Those events can originate from other GeodeLink Devices, such as the LX800 processor, or from other external sources such as the power button. The PMC consists of three internal sections: Working, Standby, and Real Time Clock. o The Working block includes all circuits and functions associated with the Working power domain. The primary function of the Working block is to transition the system to the sleep mode. o Standby block contains all circuits and functions associated with the Standby power domain. The primary function f the Standby block is to control power to the Working domain. o The RTC block contains the timing circuits required to maintain a real time clock and calender functions. The RTC block is powered by VBAT, from a board mounted CR2032 battery. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-9

52 Workstation 5 System Board Technical Descriptions CS5536 Companion Device IDE Interface (REF: ABRD88 - Sheet 18) Figure 2-3 displays a block diagram of the WS5 System Board IDE Interface coupled to the CF Daughter Card. Figure 2-3: Workstation 5 IDE Interface Block Diagram The CF Daughter card is positioned to make the CF card available at the IO panel where it can serve as a personality module in Windows Embedded CE 6.0 configurations. LED1 is the hard disk activity indicator and is located just to the left of the mini-din pole customer display connector. The CF card is an intelligent solid state storage device containing a micro controller and firmware positioned in front of a block of flash memory. The firmware responds to file IO requests from the operating system file driver and maps file data to/from the flash memory array. DMA Enabled CF Cards should not be used on the Workstation 5 because the System Board does not include a functional DMA controller Workstation 5 and 5A Field Service Guide - 3rd Edition

53 Workstation 5 System Board Technical Descriptions TFT LCD and Backlight Interface TFT LCD and Backlight Interface REF: ABRD88 - Sheets 27 Figure 2-4 displays a block diagram of the LX800 Processor with the TFT controller sections highlighted. The LX800 graphics interface consists of the Graphics Processor (GP), the Display Controller (DC) and the Video Processor (VP). Figure 2-4: LX800 Graphics Processor Block Diagram The Graphics Processor (GP) The Graphics Processor is based on the Graphics processor used in the Geode Processor, but adds the GeodeLink memory interface and other features to support improved performance and functionality. The GP is a BitBLT/vector graphics engine, that supports pattern generation, source expansion, pattern/source transparency, 256 ternary raster operations, alpha blenders to support alpha-blts, incorporated BLT FIFOs, and GeodeLink interface. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-11

54 Workstation 5 System Board Technical Descriptions TFT LCD and Backlight Interface The Display Controller (DC) The DC module is similar to that found in the Geode GX processor line with additional hardware for graphics filter functions. It consists of a memory retrieval system (GLIU0), Graphical User Interface (GUI) block, a VGA interface block, and back-end filter/scaling. The GUI and VGA blocks share a single display FIFO and display refresh memory interface to the GeodeLink Memory Controller (GLMC). The DC module retrieves graphics, video, and overlay streams from the frame buffer, serializes the streams, performs any necessary color look-ups and output formatting, and interfaces to the Video Processor for driving the display device. Video Processor (VP) The VP interfaces with the processor core via a GLIU master/slave interface to provide three main functions, the Video Processor, the TFT controller, and the Video Output Port (VOP). The VP mixes the graphics and video streams, and outputs digital RGB data to the TFT Controller. The TFT Controller converts the digital RGB output of the Video Mixer block to the digital output suitable for driving a TFT flat panel LCD. The panel interface supports most SVGA TFT panels and meets the VESA FPDI (Flat Panel Display Interface) Revision 1 Specification including the correct power sequencing Workstation 5 and 5A Field Service Guide - 3rd Edition

55 Workstation 5 System Board Technical Descriptions TFT LCD and Backlight Interface LCD Interface (REF: ABRD88 - Sheets 5, 16 and 27) Figure 2-5 displays a block diagram of the Workstation 5 LCD and Backlight Interfaces. LX800 Pixel Data outputs DRGB[23:2] are fed to U29, a THC63LVDM83R LVDS Transmitter. This device contains four seven-bit parallel-load serial-out shift registers coupled to low voltage differential signalling (LVDS) line drivers. Its primary function is to convert the 28-bits of Low Voltage TTL level pixel, control and clock data from the LX800 TFT Controller into four data streams and a single clock stream. The output of U29 drives LCD connector J8. The primary reasons for converting the TTL/CMOS level video signals to the LVDS format are reduced noise and cable pin count. The LVDS compatible signals are converted back into Low Voltage TTL/CMOS voltage levels within the LCD Panel. LCD Panel power sequencing is provided by the VDDEN_VIPSYNC output of the LX800 TFT controller. This signal drives a switch consisting of Q9 and Q10. VDDEN_VIPSYNC does not go active until all system voltages and busses have become stable and the processor is executing instructions. Figure 2-5: WS5 System Board LVDS and Backlight Interface Workstation 5 and 5A Field Service Guide - 3rd Edition 2-13

56 Workstation 5 System Board Technical Descriptions TFT LCD and Backlight Interface Backlight Interface The backlight enable signal, DISPEN originates in the LX800 TFT controller. This enable signal is ANDed with SIO_PWM at U6 to produce PWMBL which drives the backlight inverter board mounted to the LCD plate. SIO_PWM originates from an unused fan controller (FANPWM2) in Super I/O #1, U8. Inverter Board power, VCC_BL is supplied by VCC12 through F1 and FB8. A pre-regulator circuit is not implemented on the WS5 System Board. Configuration Jumpers A total of three jumpers, one on the system board and two on the inverter board are required to configure the LCD panel type. System Board jumper J17 is used for LCD Panel configuration. At this time, one of two possible LCD panels may be used. Production started with the Sharp LQ150X1LG45 15 LCD Panel and J17 includes a jumper placed between Pins 1 and 2. Note that Pin-1 faces the rear of the unit. On later units with an AUO LCD Panel is installed, no jumper will be installed on J17. The Backlight Inverter Board contains a pair of jumpers J4 and J5, factory configured to match the LCD panel installed. The jumper setting is routed through the interface cable to the system board as BL_MOD0 and BL_MOD1 and fed to a pair of general purpose (GPIO28 and GPIO29) inputs on Super IO #1, U8. At power-up, the WS5 API reads this pair of bits to determine the LCD panel type. When it determines the LCD panel type, for example the Sharp, it references the \DOC\HWInf folder and loads the file lxvideo_sharp.inf. This file contains backlight brightness and brightness range values optimized for the Sharp LCD. If the AUO panel is used, the jumpers are set accordingly and the API would load the lxvideo_auo.inf file from the \DOC\HWInf folder Workstation 5 and 5A Field Service Guide - 3rd Edition

57 Workstation 5 System Board Technical Descriptions USB Interface USB Interface REF: ABRD88 - Sheets 9, 16, 21, and 29 The Workstation 5 System Board includes a total of seven USB ports, four of which are available at the IO Panel. A fifth USB port is accessible at the front of the chassis for the integrated finger print reader or other optional device. Figure 2-6 displays a block diagram of the system board USB interface including the USB port assignments and the power management scheme. Figure 2-6: Workstation 5 System Board USB Configuration Workstation 5 and 5A Field Service Guide - 3rd Edition 2-15

58 Workstation 5 System Board Technical Descriptions USB Interface Companion Device U41, the CS5536 companion device supplies four USB ports. One port, USB0 is fed to IO panel connector CN6A. The USB1 output drives J9, the USB Flash Drive Connector. USB Flash Drive Power Control In the Windows Embedded CE 6.0 and WEPOS configuration, the USB Flash Drive is the primary boot device. A pre-boot POST test ensures the device is installed. However, to provide the flexibility being able to boot from a CF Card, a BIOS field is available that removes power from J9, the USB Flash Drive connector. A GPIO signal from U8, Super IO #1 called UDOC_ON is controlled by the Boot Test Image field of the Special Configuration screen of BIOS Setup. UDOC_ON drives a switch consisting of Q6 and Q8. The default setting of Normal sets UDOC_ON high, enabling the switch and providing VCC5_UDOC to power the USB Flash Drive. When the Boot Test image field is set to Alternate, UDOC_ON goes low, and turns off switch, cutting power to the USB Flash Drive socket. Using the Reset BIOS to WINCE or WINXPE defaults automatically sets the Boot Test Image field to Normal, to allow booting from the USB Flash Drive. The USB2 port drives the input of USB Hub U21, a device that adds three USB ports to the System Board. See below. The USB3 port drives J10. This is a right angle 2x5 connector positioned at the front edge of the system board and accessed through a cut-out in the cage. Currently the optional Integrated Finger Print Reader is connected to this port. Future options could also use this USB Port. CN6 Port Power U30, an LM3526 Dual Port USB Power Switch handles the power and current-limiting requirements of dual USB connector CN6. The device contains a pair of P-channel MOSFETS (one for each port) with separate enables and fault outputs. In a typical application, current flows from the IN(put) pins through the MOSFET and OUT towards the load. The device employes a two-stage thermal protection circuit. If the internal temperature is greater than 150 C, both MOSFETs are turned off and the fault outputs, FLAGA# and FLAGB# go active. These outputs have a 1 ms delay to prevent false over-current reporting from the in-rush current caused by hot plug events. Shorted switches will continue to cycle off and on, due to the rising and falling die temperature, until the short is removed Workstation 5 and 5A Field Service Guide - 3rd Edition

59 Workstation 5 System Board Technical Descriptions USB Interface USB Hub The USB2 port from the Companion Device is fed to USBDP0, the upstream port of U21, an SMSC port hub. The device is fully compatible with the USB 2.0 specification. It adds three additional USB Ports, assigned to the following connectors. The USBDP1 port is fed to IO port connector CN6B. The USBDP2 and USBDP3 ports are fed to IO Port Connector CN8. CN8 Port Power U16, an LM3526 Dual Port USB Power Switch handles the power and current-limit requirements for dual USB connector CN8. The device contains a pair of P-channel MOSFETS (one for each port) with separate enables and fault outputs. In a typical application, current flows from the IN(put) pins through the MOSFET and OUT towards the load. The device employes a two-stage thermal protection circuit. If the internal temperature is greater than 150 C, both MOSFETs are turned off and the fault outputs, FLAGA# and FLAGB# go active. These outputs have a 1 ms delay to prevent false over-current reporting from the in-rush current caused by hot plug events. Shorted switches will continue to cycle off and on, due to the rising and falling die temperature, until the short is removed. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-17

60 Workstation 5 System Board Technical Descriptions Touchscreen Interface Touchscreen Interface Figure 2-7 shows a block diagram of the system board resistive touchscreen interface. Figure 2-7: WS5 5-Wire Resistive Touchscreen Interface U17, the Hampshire TSHARC-12S resistive touchscreen controller is a single chip design, incorporating a microprocessor, A/D converter, UART, and firmware. It supports only 5-wire resistive touchscreen and serial interface to the host system. The serial Receive/Transmit signals from U17 are routed to jumper block J4. When a resistive touchscreen is installed, J4 is configured to route RES_TXD to F_TXD2 and RES_RXD to F_RXD2 which are fed to UART2 in U35 Super IO #2. When the optional Capacitive Touchscreen Interface Board is installed, the jumpers are configured to route CAP_TXD and CAP_RXD to U35 instead of the resistive touchscreen controller Workstation 5 and 5A Field Service Guide - 3rd Edition

61 Workstation 5 System Board Technical Descriptions LPC Interface LPC Interface The Low Pin Count Interface is a PCI like-bus comprised of seven signals. It is a replacement for the legacy ISA bus and serves as the interface between the Companion Device and Super IO and BIOS devices. Figure 2-8 below displays a block diagram of the LPC Bus as implemented on the Workstation 5 System Board. Figure 2-8: LPC Bus Block Diagram A total of three devices and the LPC Debug slot are attached to the LPC Bus. Because the LPC Bus is a replacement for the legacy for the ISA Bus, the BIOS redirects Port 80H POST Codes to the LPC Bus. Two lines from the Companion Device, BOS0 and BOS1 specify location of the Boot Device after a hardware reset. The pins are configured to Boot from a Memory Device on the LPC Bus, in this case BIOS EEPROM U36. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-19

62 Workstation 5 System Board Technical Descriptions AC 97 Audio Interface AC 97 Audio Interface Figure 2-9 displays a block diagram of the WS5 System Board AC 97 Audio Interface used on all board revisions. Figure 2-9: Workstation 5 Audio Circuit Block Diagram Realtek ALC203E Features Compliant with AC97, 2.3 Specification Meets performance requirements for audio on PC99/2001 systems. Meets Microsoft WQHL/WLP 2.0 audio requirements. 20-bit DAC and 18-bit ADC resolution AC 97 Audio is comprised of a two-chip solution with a digital component (the Companion Chip) and an analog component (the AL203E). The AL203E contains Digital to Analog Converters (ADC), mixers, jack detection and I/O. The Companion Chip and the Codec communicate over the AC 97 link interface, a serial bi-directional, pulse coded modulation digital stream Workstation 5 and 5A Field Service Guide - 3rd Edition

63 Workstation 5 System Board Technical Descriptions AC 97 Audio Interface The AC 97 architecture provides for data transfer through individual frames transmitted in a serial data stream. A Time Division Multiplexed (TDM) scheme is used to allow multiple input and output streams as well as access to the internal control registers. Each frame is divided into 12 out going and 12 incoming data frames or slots. The Table below describes the function of each audio link signal at U9, the audio codec. Signal Name I/O Description AC97_SYNC Input/Output 48 Khz sync pulse that indicates the beginning of a serial transfer on AC97_DATA_OUT and AC97_DATA_IN. AC97_BITCLK Output Mhz Serial Data Clock from the codec. Derived from the CLK_14_CODEC input at Pin-2. AC97_DATA_OUT Output Audio Controller Serial Data Out. Transmits audio data to the codec. Data stream consists of both control data and audio data. Data valid on the falling edge of AC97_BITCLK. AC97_DATA_IN Input Audio Controller Serial Data In. Data stream consists of both control data and audio data. Data valid on the falling edge of AC97_BITCLK. PCI_RST# Input Working Domain Master Reset. Speaker and Line Outputs (REF: ABRD88, Sheet 28) The speaker outputs of the codec drive U26, a LM4940 Boomer series audio amplifier. The LM4940 outputs, SPK_R_OUT and SRK_L_OUT drive system board connectors CN9 and CN10 respectively. The speakers are mounted internally, at the left and right sides of the case. AUD_PWRON, from Super IO #1, is pulled to ground by R405 and fed to the SHUTDOWN input of U9. The BIOS sets AUD_PWRON low during a warm or cold boot to reduce speaker pop. The LINE_OUT_R and LINE_OUT_L outputs are fed through a low-pass filter to Line Out Jack CN3. The internal speakers remain active when the Line-Out jack is used. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-21

64 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces Point Of Sale Interfaces Customer Display Interface (REF: ABRD88 - Sheets 8, 16, and 31) Figure 2-10 displays a block diagram of the WS5 System Board Customer Display Interface. The Customer Display Interface is not shared with the MSR Interface. Figure 2-10: Workstation 5 System Board Customer Display Interface The Interface Supports the MICROS LCD Customer Display which is capable of returning information to the host workstation. Sending Data to the Customer Display(s) TXD4 from UART 2 in the Companion Device U41 is fed to U3, a PI74STX2G Bit Level Shifting/Buffer Transceiver /w Dual Voltage Supply. This device is required because the Customer Display Interface operates at VCC5, while the Companion Device operates at VCC3. Note that the device has both VCC5 and VCC3 power supply inputs. The output of U3, F_TXD4 drives both the Pole (CN4) and Rear (J2) customer display connectors simultaneously through NOR gates U4A and U4C Workstation 5 and 5A Field Service Guide - 3rd Edition

65 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces Receiving Data from the Rear Display To selectively receive data from a Rear Display attached to J2, the API sets GPIO output REAR_OE# low at U10-3 to gate REAR_RX from J2-2 onto U10-2, F_RXD4. Receiving Data from the Pole Display To selectively receive data from a Pole Display attached to CN4, the API sets GPIO output POLE_OE# low at U10-4 to gate POLE_RX from CN4-3 onto U10-6, F_RXD4. Customer Display VCC Switch The VCC supply to customer display connectors J2 and CN4 is controlled by a switch consisting of Q15 and Q27. VCC5 is fed through F2 to the switch, controlled by the GPIO signal VCC5_DISP. Normally, VCC5_DISP is high enabling the switch and supplying VCC5 to the customer display connectors. In the WS5 Diagnostics Utility LCD tab, the [Reset] button toggles VCC5_DISP low, then high to provide a true hardware reset for the LCD Display. The [Reset] button is intended to reset the LCD customer display after it receives a firmware update. The LCD Customer Display The MICROS LCD Customer Display is a graphics capable display that interfaces to the host workstation through a 115K serial interface. The display is an intelligent device, using an 8-bit controller with programmable firmware. Two versions of the LCD Customer Display are available for the workstation 5. o A Rear or Integrated version that physically attaches to the workstation through a cut-out in the IO door. Power and data are supplied through a IO panel connector, attached to system board connector J2. The Rear and Pole version share a common housing. The Workstation 5 version uses a bracket that is not physically compatible with the Workstation 4 and Workstation 4 LX. o A Pole Mount version that receives power and data from IO Panel connector CN4. When used with the Workstation 5 Stand, the pole is 6 and can be mounted to the left, right or rear of the stand. An 18 pole mounted to a counter surface is also available. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-23

66 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces Mag Stripe Reader Interface (REF: ABRD88 - Sheets 17, 19, 33) Figure 2-11, displays a simplified block diagram of the WS5 Mag Stripe Interface. The MSR is assigned to UART A in U35, Super IO #2 and occupies COM2. The reader connects to CN14, an 8-pin modular connector mounted along the right side of the system board. The serial reader operates at VCC3 (3.3V) voltage levels. However, UART A in Super IO #2 operates at VCC5. This requires level shifters U13 and U14 to interface the reader to the UART. MSR_DTR supplies operating power to the Mag Stripe Reader. It also can be used to reset the reader. In the Mag Stripe Reader Test of the DiagUtility, pressing the [Reset Mag Reader] causes the API to bring MSR_DTR low, then high, effectively resetting the controller in the MSR. Figure 2-11: Workstation 5 System Board Magnetic Stripe Interface 2-24 Workstation 5 and 5A Field Service Guide - 3rd Edition

67 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces IDN Port (REF: ABRD88 - Sheets 16, 32, and 33) The IDN Port is a multi-purpose RS422/232 port based on an 8-Pin RJ-45 modular connector. This port is functionally identical to the RS422-A and RS422-B ports on the Workstation 4 and 4 LX, the PCWS 2010 COM4 IDN Port and the PCWS Eclipse IDN/LCC port. Figure 2-12, below displays a simplified block diagram of the IDN portion of this interface. A logic diagram of the is also shown to point out how each device contains a transmitter and receiver with separate enables. The RS232 interface can be found on the next page. Figure 2-12: Workstation 5 System Board IDN Port Interface UART 1 in the CS5536 Companion Chip is dedicated to the IDN Port and assigned to COM4. Several GPIO signals from Super IO #1 supply the logic control signals. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-25

68 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces IDN Transmit The DE input enables transmitter. To transmit data, TRANSMIT_EN1 goes high, enabling the transmitter in U24. The transmitter in U25 is disabled by ANDing 422_MODE_1# at U20-12 with TRANSMIT_EN1 at U20-13, producing a Low at U20-11, disabling the transmitter in U25. Transmit data from the UART, TXD3 is routed through level shifter U2 to produce F_TXD3, and this is fed the D input of U24 and U25. IDN Receive The RE# input of each transceiver enables the receiver. RS422_MODE_1 is set high at the RE# input of U24 to disable the receiver. At the same time, 422_MODE_1 is inverted by U11A, enabling the receiver in U25. IDN receive data is gated onto RXD_422# at U20-10, ANDed with 422_232_SEL_1 at U20-9, to produce RXD_422 at U20-8. RXD_422 is ORed with RXD_232 (inactive) to produce F_RXD3 at U4-11 and fed to level shifter U2. U2 is required to interface the VCC5 based IDN interface with the +3.3V based UART in Companion Device U41. RS422 Termination The transmit and receive pairs drive the RS422 termination circuit. In general the RS422 Termination circuit performs three functions: a) provide the proper impedance matching to the communications cable, b) protect the transceivers from differential-mode transient voltages induced into the IDN cable, and 3) suppress RF emissions originating from the IDN circuitry Workstation 5 and 5A Field Service Guide - 3rd Edition

69 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces IDN Port RS232 Interface (ABRD88 - Sheets 8, 16, 32 and 33) The primary function of the IDN port is to support MICROS IDN printing devices. However, through application software, the port can be configured to support a host of RS232 devices through a simple TX/RX interface with no handshaking. The RS422 and RS232 port functions cannot be used at the same time. Figure 2-13, below breaks out the RS232 interface from the IDN port. Figure 2-13: Workstation 5 System Board IDN RS232 Port RS232 Transmit RS232 Data at 3.3V levels appear at the output of UART in U41, and converted to +5V logic by U2. F_TXD3 is fed directly to RS232 Transceiver U18 and on to CN4, the COM4 connector. RS232 Receive RS232 Receive data RXD_232# from transceiver U18 is fed to U20-1 where it is ANDed with 422_232_SEL_1 at U20-2 to produce RXD_232. RXD_232 appears at U4-11 (the RS422 interface is inactive) and fed to level shifter U2 and the UART. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-27

70 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces COM5 Modular RS232 Port (REF: ABRD88 - Sheets 16 and 19) COM5 is an 8-pin modular RS232 port assigned to UART2 in U8, Super IO Number 1. U12, a GD75232 line driver/receiver combines three drivers and five receivers from the industry standard and quadruple bipolar drivers and receivers. The device packaging implements a flow through design to ease interconnection of the UART and serial port connector. Figure 2-14: COM 5 Modular RS232 Port COM1 DB9 Port (REF: ABRD88 - Sheets 16 and 19) COM1 is an RS232 interface based on a DB9 connector and assigned to UART 1 in U8, Super IO Number 1. It is primarily used for printing applications. Figure 2-15: COM1 RS232 Interface 2-28 Workstation 5 and 5A Field Service Guide - 3rd Edition

71 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces Cash Drawer Interface (REF: ABRD88 - Sheet 30) The system board supports two cash drawers /w standard 4-pin DIN connectors. The cash drawer interface is similar to the Workstation 4 LX system board. Active Low outputs from the Super IO, CD_OPEN_A# and CD_OPEN_B# are inverted by U11E and U11F before driving the CLK inputs of dual flip-flop U13. The pulse width at the output of each flip-flop is about 70ms, determined by the 1N4148 diodes, 1M resistors, and 0.1µf capacitors. CD_OPEN_A drives pin 1 of U44, while pin 2, CD_OPEN_DELAY prevents the drawer from opening when power is applied to the unit. CD_OPEN_B drives pin 1 of U45, while pin 2, CD_OPEN_DELAY prevents the drawer from opening when power is applied to the unit. The output of each AND gate drives a SI4410DY N-Channel enhancement mode field-effect transistor. 1N4002 Diodes D4 and D2 protect each transistor from the back EMF created by the solenoid as the transistor switches off. The +12V supply, VCC12 conducts through D17 when the +24V circuit is not used through self-resetting fuse F7. If the +24V cash drawer setting in the BIOS is active, diode D17 isolates VCC12. Cash Drawer Closed Detection Each drawer contains a SPST switch positioned to detect the drawer open/closed status. The interface is configured to provide a High on CD_ST_A or CD_ST_B at pin 4 of CN1 and CN2 when the drawer is open or not installed and a Low on the status line when the drawer is closed. R21 and R28 ensure each line is high if a drawer is not connected. The cash drawer closed logic can be inverted through a registry setting. See below for more information. The API checks a system registry key at start-up to determine the drawer open/closed logic levels. HKEY_LOCAL_MACHINE -> UWS4DRIVER -> CONFIGURATION ReverseCDStatus=0 is the default setting. The default setting causes the API to report the drawer open/closed logic levels mentioned above. If ReverseCDStatus=1, the API inverts the drawer open/closed logic levels before passing them on to the application software. The registry setting would be changed from the default only if using a cash drawer with reversed cash drawer closed logic. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-29

72 Workstation 5 System Board Technical Descriptions Point Of Sale Interfaces +24V Regulator (REF: ABRD88 - Sheet 30) To support cash drawers with +24V solenoids, VCC12 is converted to +24V by U33, a LM2733 boost converter. The output of the converter, VCC24 is fed to a switch consisting of Q4 and Q5. The GPIO signal VCC24_ON enables the switch. VCC24_ON is controlled by the Cash drawer voltage field in the BIOS Special Configuration screen. See Chapter 2 of the Workstation 5 Setup Guide for more information about BIOS Setup. System Board Hardware Revision (REF: ABRD88 - Sheet 16) The API as well as the BIOS can determine the hardware revision of the System Board it is operating on. The WS5DiagUtility uses the API to display the hardware revision as part of the System Information screen. Refer to schematic ABRD88-E, Sheet 16, Grid A5. The interface consists of four traces on the system board, REV0 - REV3, each connected to ground. The traces are located on the solder side of the board. For the REV E board, the REV2 track is cut and therefore pulled high by R80, while REV0, REV1 and REV3 remain at ground. This yields a 4-bit value of 0100 and the API and BIOS interprets this as Revision E Workstation 5 and 5A Field Service Guide - 3rd Edition

73 Workstation 5 System Board Technical Descriptions RTL8110SC Ethernet Controller RTL8110SC Ethernet Controller General Description (REF: ABRD88 - Sheets 8, 14 and 15) The RTL8110SC Gigabit Ethernet Controller combines a three-speed IEEE compliant Media Access Controller (MAC) with a three-speed Ethernet transceiver, 32-bit PCI controller, and embedded memory. The device supports PCI v2.2 and Mini-PCI v1.0 bus interfaces for host communications with power management, and is compliant with the IEEE specification for 10/100Mbps Ethernet and IEEE 802.3a specification for 1000Mbps Ethernet. Functions such as cross over detection and auto-correction, polarity correction, adaptive equalization, cross-talk cancellation, timing recovery, and error correction are implemented to provide reliable Ethernet communications at high speeds. The RTL8110SC supports remote wake-up, including AMD Magic Packet, Re-LinkOK, and Microsoft Wake-up frames in both the ACPI and APM environments. PCI Bus Interface The RTL8110SC implements the PCI bus interface as defined in PCI Local Bus Specification Rev 2.3. The RTL8110SC acts as a PCI target (slave mode) when internal registers are accessed, and acts as a bus master when host memory is accessed for descriptor or packet data transfer. The PCI Bus operates at 66Mhz. Link, Speed and Activity LED Control The RTL8110SC supports up to four LEDs in four operational modes. The WS5 System Board Ethernet connector includes a pair of two-color LEDs integrated into the Ethernet connector, CN8. LED #1 (on the left side of the connector) serves as a link, speed, and activity indicator at 1000Mbps and 100Mbps speeds. When LED #1 is Orange, the link speed is 1000Mbps or 1Gbit. When the LED blinks, this indicates transmit or receive activity on the link. When LED #1 is Green, this indicates the link speed is 100Mbps. When the LED blinks, this indicates transmit or receive activity on the link. LED #2 (on the right side of the connector) serves as a link, speed, and activity monitor for a 10Mbps connection. When LED #2 is Green and LED #1 is off, the link speed is 10Mbps. When the LED blinks, this indicates transmit or receive activity on the link. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-31

74 Workstation 5 System Board Technical Descriptions RTL8110SC Ethernet Controller EEPROM Interface The RTL8110SC requires an external EEPROM be attached. The WS5 System board uses U23, a 1Kbit serial EEPROM. The EEPROM interface provides the ability to read and write data to an external EEPROM device. The EEPROM stores the PCI configuration and IO space values of the controller and these values are auto-loaded into the controller at each power-up Workstation 5 and 5A Field Service Guide - 3rd Edition

75 Workstation 5 System Board Technical Descriptions System Board Power Distribution System Board Power Distribution Figure 2-16 is a diagram of all Standby and Working domain voltage regulators and switches. Figure 2-16: WS5 System Board Power Distribution Workstation 5 and 5A Field Service Guide - 3rd Edition 2-33

76 Workstation 5 System Board Technical Descriptions System Board Power Distribution Standby Domain Voltages (REF: ABRD88 - Shts 8, and 30) Standby voltages are available when the unit is in the NOPOWER mode. A 100W open frame power supply produces +12V as long as the AC power cable is connected to the unit. Since the open frame power supply is active, removing the LCD/Touchscreen assembly to check voltages exposes you to hazardous voltages on the power supply heat sinks. +12V +12V enters the System Board at J16, Pins 1, 2, and 3 (Sht 23). Input filtering is provided by inductors L8 and L9. +12V is also fed through FB52 and F10 to Auxiliary +12V Power Connector, J19. An future internal cable will connect between J19 and the IO Panel to make +12V available. VCC5SB +5V Standby is produced by REG#1 in U38, a Triple Synchronous Buck Controller. Control input SS_STBY1 is grounded through C264 to enable this regulator as long as +12V is available. Output load switching is handled by Q21A and Q21B through inductor L6 and cap EC29. The over current trip point is determined by R286/C290 across the TRIP1 input. VCC3SB VCC5SB is fed to adjustable voltage regulator U42, a AP1117_ADJ device programmed to produce the VCC3SB (+3.3V) output. VCC3SB provides standby power to the Ethernet Controller and Mini-PCI Socket. VCORESB On Sheet 25, Precision Micropower Shunt Voltage Reference D21 is connected across VCC3SB to produce VCORESB. This standby voltage is critical. It supplies power to the Power Management Controller (PMC) in the Companion Device U41, allowing it to detect power button switch closures. VCC1.8SB VCC5SB drives adjustable voltage regulator U28 to produce VCC1.8SB. This is fed through FB37 to be labeled VCC_3_25_A. VCC1.8SB supplies power to the analog power input of Ethernet Controller U Workstation 5 and 5A Field Service Guide - 3rd Edition

77 Workstation 5 System Board Technical Descriptions System Board Power Distribution Working Domain Voltages The following describes the Working Domain Voltages. In response to the user pressing the power button or connecting the AC power cable, the PMC in the CS5536 Companion Device issues the WORKING signal to enable the following voltages. VCC12 The Always ON +12V output is fed to a switch consisting of U22 and Q25 (Sht24) to produce the VCC12 output. When VCC5 (also the working domain, see below) goes active, this turns on Q25, which in turn enables Q22, switching on VCC12. VCC12 powers many system board components including the audio power amp, LCD Panel and Backlight Inverter, Memory Voltage Regulator U43 (Sht25), and the RS232 Line Drivers/Receivers. VCC12 is used on Sheet 30 to generate VCC24V. See the Cash Drawer Interface for more information about VCC24V. VCC3 VCC3 is produced by U38 REG#2. The SoftStart input to this regulator, SS_STBY2, is enabled by the WORKING output of the Companion chip. Q16 inverts this signal to the active low PS_ON# and Q13 inverts the signal to the active high STBY_3V. Output switching is handled by Q19 and Q20 through inductor L4 and EC28. The over current trip point is determined by R293/C298 connected across the TRIP2 input. VCC5 VCC5 is produced by U38 REG#3. The SoftStart input to this regulator, SS_STBY3, is enabled by the WORKING output of the Companion chip. Q16 inverts this signal to the active low PS_ON# and Q12 inverts the signal to the active high STBY_5V. Output switching is handled by Q18 and Q17 through inductor L5 and EC27. The over current trip point is determined by R297/C302 across the TRIP3 input. VCC12- VCC12- is derived from the SW_3 output of U38, through a combination of D24, D26, and EC25. VCC12- is used only by the RS232 Line Drivers/Receivers. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-35

78 Workstation 5 System Board Technical Descriptions System Board Power Distribution VCORE VCORE is the primary LX800 Processor supply voltage and is active in the WORKING domain. System Boards up to Revision E use the ALXC800EETJCVD variant of the LX800 that requires a VCORE of 1.20V. R282 in the VCORE Regulator Circuit is 511 System Boards Revision F or later use the ALXD800EEXJCVD C3 variant of the LX800 that requires a VCORE of 1.25V. R282 in the VCORE Regulator Circuit is 562. Working, Standby and System Reset When power is applied to the Companion Device from a cold start (e.g., the AC power cable is connected to the unit) the external sub-system must assert RESET_STAND# as Standby power is applied, followed by RESET_WORK# as Working power is applied. RESET_STAND# (Reset the Standby Power Domain) is provided by U48, a LP3470 Tiny Power On Reset Device located on Sheet 8. This device is designed to monitor a specific power supply voltage (in this case VCC5SB) and assert RESET_STB# when the input voltage falls below the pre-programmed threshold of 3.08V. The reset remains asserted for an interval determined by C496. When VCC5SB rises above a threshold of 3.08V, RST_STB# remains asserted for a period programmed by C496, then de-asserts. RESET_WORK# (Reset the Working Power Domain) is generated by U47, a second LP3470 Tiny Power On Device located on Sheet 26. U47 is also programmed to activate at 3.08V, but the input is tied to VCC3SB. The reset remains asserted for an interval determined by C489. When VCC3SB rises above a threshold of 3.08V, RST_WORK# remains asserted for a period programmed by C489, then de-asserts. In response to the RESET_WORK# and RESET_STANDBY# inputs, the Companion Device asserts RESET_OUT, referred to on the schematic as PCI_RST#. PCI_RST# is the master system board reset, fed to all major components including the LX800 processor, BIOS Chip, Ethernet Controller, Super IO #1 and 2, Audio Codec, and Mini-PCI Connector CN11. All three reset signals are required to start the system board processor Workstation 5 and 5A Field Service Guide - 3rd Edition

79 Workstation 5 System Board Technical Descriptions System Board Power Distribution Workstation 5 Backlight Inverter Board - XBRE38 Functional Description The Workstation 5 and 5A use a Push-Pull Backlight Inverter Board attached to the rear of the LCD Plate. It drives the pair of CCFL tubes in the 15 LCD Panel. The board contains a pair of configuration jumpers used to define the LCD panel type in CE Configurations. Technical Description (XBRE38 - Sheet 1) The backlight inverter is based on U1, a Dallas/Maxim DS3992Z-18P Two Channel, Push-Pull CCFL Controller. It utilizes a push-pull drive scheme to convert a DC voltage into the high voltage AC waveform required to drive the backlight tubes. The device supports one lamp per channel with fully independent lamp control and minimal external components. Each channel drives dual n-channel MOSFETs Q1 and Q2. The MOSFETs are connected between the primary windings of step-up transformers T1 and T2. Each transformer includes a primary center tap connected to V12 (from the workstations VCC12 supply). Circuit operation is outlined below. Input Supply Monitoring U1 internally monitors both the inverter power V12, (VCC12), and its own VCC supply V5, (VCC5) to ensure proper operation. Additional fault monitoring includes open-lamp, lamp over current, failure to strike, and over voltage. Lamp Strike When both the V5 and V12 supplies are at acceptable levels, the controller attempts to strike (start) the lamps. During lamp strike, U1 boosts the normal lamp operating frequency by 33% to increase the voltage - then slowly ramps up the MOSFET gate duty cycle until the lamp strikes. When current starts following through R15 and R16 to indicate the lamps have struck, U1 returns the operating frequency to normal and enters the Run Lamp stage. Run Lamp In the Run Lamp stage, the DS3992 adjusts the MOSFET gate duty cycle to optimize the lamp current and voltage. To monitor lamp current, R15 and R16 are connected in series between the CCFL tube and ground. The voltage across each resistor is fed back to the LCM (Lamp Current Monitor) inputs and compared to an internal reference to determine the duty cycle of Q1 and Q2. Workstation 5 and 5A Field Service Guide - 3rd Edition 2-37

80 Workstation 5 System Board Technical Descriptions System Board Power Distribution Brightness Control The controller uses a burst dimming technique to control lamp brightness. An analog voltage applied to the BRIGHT input determines the duty cycle of a digital pulse width modulated (DPWM) signal in the range between 180Hz and 440Hz. When the DPWM signal cycles high, the lamp is driven at the selected lamp frequency. This is also called the burst period because of the lamp frequency burst that occurs during this time. During the low DPWM cycle, the controller disables the MOSFET gate drivers, causing current to stop flowing in the lamp, but not long enough to de-energize the lamps. Brightness is increased/decreased by modulating the burst period duty cycle. PWMBL from the system board supplies the analog voltage to the BRIGHT input of the controller. The SVM (System Voltage Monitor) input to the controller is connected across resistor network R18 and R19 and clamping diode D2 to fully de-energize the lamps and reset the controller when the backlights are turned off Workstation 5 and 5A Field Service Guide - 3rd Edition

81 Chapter 3 Workstation 5 Troubleshooting This chapter is your guide to testing, repairing and recovering the Workstation 5. For more information about troubleshooting the Workstation 5A, see Chapter 5. In this chapter Introduction Operational Troubleshooting Power On-Self Test (POST) Errors Checking the Power Supply and System Board Voltages Workstation Recovery and Platform Update Procedures LCD Display Related Touchscreen Related Local Area Network (LAN) Related Peripheral Related WS5 Diagnostic Workstation 5 and 5A Field Service Guide - 3rd Edition 3-1

82 Workstation 5 Troubleshooting Introduction Introduction This chapter contains the following sections. Operational Troubleshooting This section provides a detailed description of the Workstation 5 boot sequence for both the Windows Embedded CE and WEPOS operating systems. To aid in troubleshooting, background information is provided for multiple boot configurations, pre-boot firmware applications, platform updates, and the Client Application Loader. POST Errors This section consists of a table that lists each General Software Embedded BIOS POST Code. Checking the Power Supply and System Board Voltages This section establishes the Standby and Working domain voltages, then goes on to show how to check these voltages on a unit that will not power-up. Workstation Recovery and Platform Update Procedures The methods available for restoring a WINCE or WEPOS Workstation 5 are discussed in detail. LCD Display Related This section lists all display and display quality problems. In addition, jumper settings for the supported LCD panels are provided. Touchscreen Related This section provides information on touchscreen related issues including calibration. Local Area Network This section provides network related issues, how to interpret the LEDs in the Ethernet connector, etc. Peripheral Related This section covers the WS5 POS interfaces including COM Ports, IDN, and Magnetic Stripe Reader. Diagnostic Overview This section covers the built-in diagnostic utilities provided with the WINCE and WEPOS operating system configurations. For WINCE configurations, a description of each platform file is provided. 3-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

83 Workstation 5 Troubleshooting Operational Troubleshooting Operational Troubleshooting This chapter describes the Workstation 5 boot sequence, provides troubleshooting tips, voltage test points, and a POST error summary for the Workstation 5 System Board, ABRD88. Workstation 5 Boot Sequence The following is a detailed description of the Workstation 5 boot process that should assist in troubleshooting a unit that will not start. 1. Connect the AC Power Cable to the AC inlet at the rear of the Workstation. If available, connect the workstation to a LAN. Press and release the power button. The Operator LED should start flashing Blue once per second. Does the Operator LED start flashing Blue with the Power button is pressed? o If YES, proceed to Step 2. o If NO, see Checking the Power Supply on page The Blue Operator LED should blinking, and at almost the same time, the LCD backlights should illuminate, followed by the BIOS splash screen with MICROS logo. Does the BIOS splash Screen appear on the LCD? o If YES, proceed to Step 3. o If NO, does the system board beeper sound more than once? This indicates a POST failure. See page 3-14). o If NO, but the Operator LED is solid Blue. This condition would be accompanied by other symptoms such as a blank screen, and no beeper. Possible causes include: o Defective, corrupt or missing BIOS chip, U36. Install P/N or re-seat the device in the socket. See page If the symptoms remain, examine the socket for damage and replace if necessary. o Defective System Board. If the Operator LED remains solid Blue when you press the power button, this is an indication that the processor is not executing instructions. There are many possible causes for this including (in addition to the BIOS chip and or socket) a missing clock or reset signal, or a missing standby or working voltage. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-3

84 Workstation 5 Troubleshooting Operational Troubleshooting Comments: The BIOS Splash screen remains visible for about seconds, During this time, the BIOS initalizes hardware and performs a POST of major system board components. If the POST is successful, the beeper sounds once and the System BIOS Configuration box appears in the upper half of the screen. Next, a series of custom pre-boot firmware applications execute, one of which checks for the presence of the CF Card and USB Flash Drive. Text messages produced by the pre-boot firmware appear directly below the configuration box as shown in Figure 3-1. Pre-boot text messages for Windows CE Figure 3-1: Workstation 5 Pre-boot Text Messages The message, NK.BIN not found on CF is not an error, but indicates that the pre-boot firmware application called FlashCE did not find the NK.BIN file on the CF card (as part of an upgrade) and is continuing with the boot process. See page 3-12 for more information about how the pre-boot firmware applications interact with the CAL to perform platform updates and BIOS updates. 3. Does the unit attempt to boot to the Operating System? o If YES, and Windows Embedded CE 6.0 is installed, see page 3-8. o If YES, and Windows Embedded for Point Of Service is installed, see page o If NO - the unit produces a series of beeps, count them or check the LCD for an error message. See below. 3-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

85 Workstation 5 Troubleshooting Operational Troubleshooting Five Beeps - CF Not Found o o o o Incorrect CMOS Configuration or corrupt CMOS memory. Make sure a CF card is installed if this is a WINCE unit. See below to Reset CMOS Defaults. Check the Daughter Card CF socket for bent pins and make sure the CF Daughter Card is seated properly in the system board connector, IDE1. Defective or incompatible CF Card. Defective System Board. Six Beeps - USB Flash Drive Not Found o Make sure the USB flash drive is correctly oriented on the 2x5 socket, J9. See o Defective USB Flash Drive. o Defective System Board. o Incorrect CMOS Configuration or corrupt CMOS - See below to Reset CMOS Defaults. If NO, the boot process halts and a text message reports UDOC.ID not found, Operating System Not Found, or Remove disks or other media. Press any key when ready, or similar. o Remove the USB stick or thumb from the IO panel USB connector or refer to the Figure below and attach it to the connector shown in brackets []. Connecting a USB thumb drive to the port indicated prevents start-up errors in situations where the device must remain attached across reboots. Figure 3-2: Recommended USB Port for e7 Installations and Upgrades Workstation 5 and 5A Field Service Guide - 3rd Edition 3-5

86 Workstation 5 Troubleshooting Operational Troubleshooting Examples include installing or upgrading the stand-alone e7 application or using a USB thumb drive, or attaching a USB thumb drive to the IO Panel for backing up files. When attached to one of the shaded ports USB ports during start-up, a thumb drive can be enumerated before the system board USB Flash Drive and cause the BIOS to attempt to boot from it. If the thumb drive is not bootable, error messages such as UDOC.ID not found or Operating system not found error appears. If NO, the unit does not complete booting to the installed operating system for any reason. A USB keyboard is required for this procedure. o Clear the CMOS Memory and reset the BIOS Defaults. System Board Jumper J15 is used to clear CMOS memory and reset the Real Time Clock (RTC). The procedure can be found below. o o Remove the AC power cable from the workstation. Figure 3-3, next page. Locate J15 (near the CMOS battery). Move jumper from the Normal position (pins 1-2) to the CMOS Reset position (pins 2-3) for a few seconds, then return the jumper to the Normal position (pins 1-2). Figure 3-3: Clearing the CMOS Memory with J15 o o o Reconnect the AC Power cable and press the power or reset button. If the BIOS splash screen appears, press [Del] to enter CMOS Setup Main Menu. Reset CMOS Defaults to match operating system installed. If the unit is configured to run WEPOS or POSReady 2009, it will use a 4GB (or larger) USB Flash Drive and 512M or 1G of DDR 333 Memory. After clearing CMOS, you must select Reset CMOS to WEPOS defaults to boot from this configuration. From the BIOS main menu and press [Enter]. Select Y to confirm and restart the unit. See page 3-11 for more information about multiple boot configurations. 3-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

87 Workstation 5 Troubleshooting Operational Troubleshooting A WS5 running Windows Embedded CE will use a 256M USB Flash Drive, a single 256M DIMM, and a 256M CF Card. From the menu, select Reset CMOS to WINCE defaults, and press [Enter]. Select Y to confirm and restart the unit. o You should enter BIOS Setup and program the Time and Date fields. If the unit refuses to boot after performing the above procedure, the system board and or USB Flash Drive is defective. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-7

88 Workstation 5 Troubleshooting Operational Troubleshooting Booting to Windows Embedded CE 6.0 Continues from page 3-4. The message Preparing Memory and Loading Windows CE, followed by a series of dots (...) that progress from left to right across the screen for several lines appears. The dots indicate that Windows CE is starting to load. The screen clears and remains blank for several seconds before the Windows Embedded CE 6.0 desktop appears. Just prior to the desktop appearing, or shortly after, the Operator LED should stop blinking and turn solid Blue. 4. Does the unit boot to Windows Embedded CE? o If YES, see Step 5. o If NO, see below. You may need to reboot the unit several times in order to clearly see the issue. If NO, the series of dots progressing from left to right across the screen hangs, and the unit does not complete booting. The Operator LED continues to blink Blue, and the unit responds to the power button. o o Improperly programmed, corrupt, or defective USB Flash Drive. Run Factory Restore. See page Defective System Board. If NO, the series of dots progress across the screen for several lines, the screen clears but remains blank - the CE desktop fails to appear after several seconds. The Operator LED continues to blink Blue. The unit may or may not respond to the power button. o Improperly programmed, corrupt, or defective USB Flash Drive. Run Factory Restore. See page o Incompatible CF Card. If using a CF card purchased at the retail level, there are two possibilities. The CF Card could be DMA Enabled or not have the correct partition type. Some High Performance CF Cards require Direct Memory Access (DMA) signals from the IDE bus to function. However, the CF Daughter Card does not support DMA. This causes the unit to hang as the operating system starts and attempts to retrieve the persistent registry. CF cards formatted as FAT32 (partition type 0x0b) can also cause the unit to hang at start-up. For reliable operation, CF cards shipped with each unit are formatted as FAT16 with a partition type of 0x06. MICROS continuously certifies the industrial temperature grade CF Cards installed in each unit or made available separately. This type of card is often not available through retail channels. o Defective System Board. 3-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

89 Workstation 5 Troubleshooting Operational Troubleshooting If NO, but pre-boot text messages indicate that the NK.BIN and or GRNBELT.BIN files have been found. The NK.BIN file is the CE image and the GRNBELT.BIN file is the BIOS image. One or both of these files can be placed on the CF card during a platform update and removed the next time the unit starts. The entire process normally takes from three to five minutes to complete. See page 3-12 for more information about platform updates. o If a CE Platform Update fails to complete, it can leave the NK.BIN file on the CF card, and other platform files on the USB Flash Drive. Platform Updates will be interrupted by a loss of power or network connectivity, and in most cases, resume when power or the network connection is restored. Should the update fail to resume properly it could leave the NK.BIN file on the CF along with an indeterminate number of files with n or o file extensions on the USB Flash drive. If the unit boots, use the Wipe Compact Flash utility to format the CF card, then reconnect to the server and attempt the Platform Update again. 5. The Workstation 5 Boots to the Windows Embedded CE 6.0 desktop. The CAL starts and examines the registry to determine if a POS application is installed. If an application is installed, the CAL stays in the background and the application starts. If a POS application is not present, the CAL will display a UI and use the Ethernet Port or WiFi card to look for the CAL Server. o If the unit appears to boot, but exhibits display problems, see page o If the unit boots, but the touchscreen does not function or appears to be out of calibration, see page o If the unit boots, but does not connect to Ethernet, see page o If peripheral devices attached to the workstation do not function, see page Workstation 5 and 5A Field Service Guide - 3rd Edition 3-9

90 Workstation 5 Troubleshooting Operational Troubleshooting Booting to WEPOS Continues from page 3-4. The message NK.BIN not Found appears briefly and the screen clears. A blinking cursor appears just below the Configuration Box for several seconds. The Windows XP boot splash screen appears with a progress bar to indicate the boot progress. The screen clears once again, and the sign-in dialog box appears. 6. Does the unit boot to the Sign-In screen? A progress bar appears with activity to indicate the boot process is continuing. The progress bar appears for several seconds, the screen clears and the desktop appears. o If YES, CAL32 starts and presents a menu. The first time a unit is started, you have the option of enabling CAL32 if supported by the application software. o If a POS application is not present, the CAL32 will display a UI and use the WS5s Ethernet Port to look for the CAL Server. o If NO, and the boot process halts followed by a BSOD. (Blue Screen Of Death) o Improperly programmed, corrupt, or defective USB Flash Drive. Re-Image the USB Flash Drive using the optional WEPOS Recovery CF. o Using DDR memory not approved by MICROS may result in the BSOD during operation. 7. The Workstation 5 Boots to the WEPOS or POSReady 2009 desktop. o o If the unit appears to boot, but exhibits display problems, see page If the unit boots to the desktop, but the touchscreen does not function or appears to be out of calibration, see page o If the peripheral devices attached to the workstation do not function, see page o If the Ethernet Port does not appear to function, see page Workstation 5 and 5A Field Service Guide - 3rd Edition

91 Workstation 5 Troubleshooting Operational Troubleshooting Background Information To assist in troubleshooting, the following pages provide background information on how the Workstation 5 handles multiple operating system configurations, what the pre-boot firmware applications do and more information about platform updates. Multiple Boot Configurations The Workstation 5 currently supports both the Windows Embedded CE 6.0 and Windows Embedded for Point Of Service (WEPOS). WEPOS is now renamed POSReady Each operating system uses a different hardware configuration that is handled through the BIOS Main Menu selections, WINCE or WINXPE. If the boot defaults do not match the hardware configuration, the unit may produce a POST error or may fail to boot. Windows Embedded CE 6.0 Current Windows Embedded CE 6.0 configurations are equipped with a 256M CF card, 256M USB Flash Drive, and 256M of DDR Memory. All three components must be installed, or the unit will not boot. The WINCE BIOS defaults require the CF and USB Flash Drive be installed and alters the boot order to move the USB Flash Drive to the 1st boot device. The Personality Module field in the Special Configuration screen is set to CF to specify the location of the registry. The Boot Method field is set to Windows CE. o For example, if the unit is configured to run Windows Embedded CE 6.0 (256M CF, 256M USB Flash Drive and 256M DDR 333 RAM), but the CMOS defaults are set to WINXPE the unit will fail to boot because the Personality Module field and Boot Method fields are set incorrectly. WEPOS (POSReady 2009) The WEPOS configuration currently uses a 4GB USB Flash Drive, and 512M or 1GB of DDR 333 RAM. A CF Card is not required, but can be installed for additional storage. Setting the WINXPE defaults removes the CF Card from the DRIVE ASSIGNMENT ORDER and BOOT ORDER fields in the Basic Configuration Screen and sets Personality Module field in the Special Configuration screen to USBFlashDrive. This causes the unit to skip the custom CF card POST, but does not prevent the device from appearing as a removable disk drive after WEPOS starts. The Boot Method field is set to Boot Sector. o If the unit is configured to run WEPOS, but the defaults are set to WINCE, the unit will fail POST if a CF card is not installed. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-11

92 Workstation 5 Troubleshooting Operational Troubleshooting Pre-boot Firmware Applications Regardless of the operating system installed, several custom pre-boot firmware applications execute each time the unit is started. One is custom POST that ensures the Compact Flash Card and USB Flash Drive are installed for the Windows Embedded CE 6.0 configuration. Other pre-boot applications assist in performing platform and BIOS updates or performing a Windows CE Factory Restore. Platform Updates Windows CE Platform Updates are performed by the combination of the pre-boot firmware applications resident on each terminal and the CAL. The CAL moves platform files from the server to the USB Flash Drive and the Windows CE and BIOS binary image files to the CF Card, and removes all files once the update completes. The following scenario applies to a workstation running Windows Embedded CE 6.0. The Workstation 5 Platform Update is downloaded from the MICROS hardware portal and installed on the application or CAL server. The platform update file stops the CAL service, copies updated platform files to the correct CAL Server folders, then restarts the CAL service. The update is triggered by a file called PLATFORM.DAT. This text file resides on the server and all client workstations, and contains the current versions of the CAL client, Windows CE, Platform Files and BIOS. A platform update obtained from the HSG portal will include a new PLATFORM.DAT file that specifies the components to update. After the CAL service restarts, it determines that the PLATFORM.DAT file on the server is newer than those on the client terminals and the specified updates start propagating to the workstations. If a newer version of CAL client is part of the platform update, it will be transferred to the workstation first and the unit restarted. Windows CE starts, the CAL resumes and copies platform files and folders directly to the USB Flash Drive (\DOC), then copies the NK.BIN file to the CF card before restarting the unit. When copying platform files from the server to the USB Flash Drive, the CAL script renames all files to new extensions. One example of this is UWS4.DLL, the WS5 API. If one attempts to simply copy over this file while the system is live, a file sharing violation will occur. However, you can rename a.dll file on a live system without causing errors, so the CAL script copies the new file as UWS4.DLLn, renames the existing file to UWS4.DLLo, then renames UWS4.DLLn to UWS4.DLL. This is repeated for virtually all files in the \DOC folder and sub-folders Workstation 5 and 5A Field Service Guide - 3rd Edition

93 Workstation 5 Troubleshooting Operational Troubleshooting Also during this phase, the CAL script uses the regedit.exe utility stored in the doc\utilities folder to extract CAL, network, and wireless keys from the registry and place them in a temporary file. If an application is installed, other registry settings related to the application are preserved as well. The unit restarts and a pre-boot firmware application called FlashCE detects the NK.BIN file and copies it over the existing NK.BIN file in the hidden boot partition and starts it. During this time, the message Updating Operating System - Please Wait... appears on the LCD before the unit starts. The new NK.BIN image starts, the CAL resumes and immediately deletes the NK.BIN file from the CF card. The CAL then enters a clean-up phase, restoring the preserved registry keys and removing the n and o files from the USB Flash Drive before another reboot occurs. If a BIOS upgrade is not included in the platform upgrade, the unit boots to to Windows Embedded CE 6.0 and is ready to receive an application through the CAL. If a BIOS update is included, the CAL script copies the GRNBELT.BIN binary file along with several support files to the CF card, then forces a restart. A pre-boot firmware application called the Platform Update Facility detects the GRNBELT.BIN file, performs file size and checksum tests on the binary image file, and if successful, flashes the system board BIOS chip. The message Updating the BIOS - Please do not Remove Power, during this time. When the BIOS update completes, the unit re-starts once again. When the operating system starts, the CAL resumes and removes the BIOS binary and support files from the CF Card. The example above is a full platform update scenario. Because the CAL is script driven, and the PLATFORM update file can specify individual components to update, many variations are possible. A Hotfix mode is also available that can transport a single file (a DLL file for example) or group of files to the unit and restart it. MICROS POS applications are downloaded using a CAL script associated with the application. CAL32 The WEPOS (POSReady 2009) configuration runs a 32-Bit version of the CAL called CAL32 - it can download an application from the server, but does not perform platform updates. However since a typical POSReady 2009 image is around 2 gigabytes, Platform Updates and the WINCE Factory Restore feature are not supported. On the WIN32 Workstation 5, the preferred means of recovery is the optional Factory Recovery CF. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-13

94 Workstation 5 Troubleshooting Power On-Self Test (POST) Errors Power On-Self Test (POST) Errors At power-up, the WS5 system board runs a generic General Software Embedded BIOS 2000 POST, followed by a custom POST that checks for the presence of a CF card and USB Flash Drive if the unit is configured to run Windows Embedded CE 6. Error Beeps Description POST_BEEP_REFRESH 1 Memory Refresh not working. POST_BEEP_PARITY 2 Parity Error in 1st 64Kb. POST_BEEP_BASE64KB 3 Memory failure in 1st 64Kb. POST_BEEP_TIMER 4 Timer T1 not operational. POST_BEEP_CPU 5 CPU test failed (or CF Card) POST_BEEP_GATEA20 6 Gate A20 failure (or USB Flash Drive) POST_BEEP_DMA 7 DMA page/base registers. POST_BEEP_VIDEO 8 Video Error (non fatal) POST_BEEP_KEYBOARD 9 Keyboard failure. POST_BEEP_SHUTDOWN 10 CMOS shutdown register failed POST_BEEP_CACHE 11 External cache not working. POST_BEEP_BOARD 12 Board initialization failure. POST_BEEP_LOWMEM 13 Exhaustive low memory test. POST_BEEP_EXTMEM 14 Exhaustive extended memory test. POST_BEEP_CMOS 15 CMOS restart byte failed. POST_BEEP_ADDRESS_LINE 16 Address line failed. POST_BEEP_DATA_LINE 17 Data line test failed. POST_BEEP_INTERRUPT 18 Interrupt controller failure. POST_BEEP_HUGEMEM 19 Exhaustive hugh memory test. POST_BEEP_EBDA_LOC 20 Address manager failed to reloc EBDA. POST_BEEP_ADDR_MGR 21 Address manager failed to initialize. POST_BEEP_ADSYNC 22 Address manager failed to sync to memory parameters Workstation 5 and 5A Field Service Guide - 3rd Edition

95 Workstation 5 Troubleshooting Checking the Power Supply and System Board Voltages Checking the Power Supply and System Board Voltages Before checking the power supply and system board voltages, see Chapter 2 for more information about the Standby and Working power domains as implemented on the WS5 System Board, ABRD88. WS5 System Board - Standby Voltages The Standby voltages are always on - when the unit is connected to AC Power. Refer to Figure 3-4 and the procedure on the next page to check the Standby voltages in the proper sequence. SHOCK HAZARD Hazardous AC and DC voltages are present on the power supply heat sinks when the AC Power cable is connected to an AC source. Figure 3-4: Checking the WS5 System Board Standby Voltages Workstation 5 and 5A Field Service Guide - 3rd Edition 3-15

96 Workstation 5 Troubleshooting Checking the Power Supply and System Board Voltages 1. Start with the +12V output from the power supply at J16. o If +12V is not available, remove the AC Power Cable and check the power supply fuse located near the AC input connector. o If the fuse is OK, but the power supply produces no output, check the AC input cabling through the AC input connector mounted to the chassis. o If +12V is not available, replace the Power Supply. 2. If +12V is available, check VCC5SB at the (IN)put pin of adjustable regulator U42. VCC5SB is generated by regulator #1 in U38. This regulator is configured to run as long as +12V is available. 3. If VCC5SB is available, check VCC3SB at the (OUT)put pin of adjustable regulator U If VCC5SB is available, check VCORESB at the junction of D21 and TC36. VCORESB powers the LX800 Processor and TFT Controller. 5. If VCC3SB is available, check VCC1.8SB at U28-Out. If the Standby voltages are present, but the board will not start when you press the power button, see the next page Workstation 5 and 5A Field Service Guide - 3rd Edition

97 Workstation 5 Troubleshooting Checking the Power Supply and System Board Voltages WS5 System Board - Working Voltages On a unit where the Standby voltages are present, but fails to respond to the power button, the Working domain voltages can be checked as outlined in Figure 3-5, below and the following text. Figure 3-5: Checking the System Board Working Voltages The working voltages depend on the standby voltages. Before proceeding, make sure all standby voltages shown in Figure 3-4 are available. With AC power connected, press the power button and check the following. 1. Start with PS_ON# at the base of Q12 or Q13. It should be low. o Q12 and Q13 enable the VCC3 and VCC5 regulators, part of U38. o PS_ON# is derived from the WORKING output of the Companion Device. Q16 inverts WORKING to active-low PS_ON# (Sht. 8). 2. Check the VCC3 and VCC5 outputs at auxillary power connector J21. Pins 2 and 3 of J21 are ground. Watch those power supply heat sinks! o VCC3 (3.3V) is available at Pin-1 (towards the IO connectors) Workstation 5 and 5A Field Service Guide - 3rd Edition 3-17

98 Workstation 5 Troubleshooting Checking the Power Supply and System Board Voltages o VCC5 is available at Pin-4. If both VCC3 and VCC5 are not present, but PS_ON# is low, suspect U If VCC3 and VCC5 is available, you can check VCC12 at Q22 pins 5 through 8. When VCC5 goes active, this enables the switch consisting of Q22 and Q25, enabling VCC Check VCORE at L3 and TC25. (Not shown in the illustration) o o For System Boards with AMD ALXC800EETJCVD CPU, VCORE should be +1.20V For System Boards with the AMD ALXC800EEXJCVD CPU, VCORE should be +1.25V Workstation 5 and 5A Field Service Guide - 3rd Edition

99 Workstation 5 Troubleshooting Workstation Recovery and Platform Update Procedures Workstation Recovery and Platform Update Procedures There are several methods of restoring a workstation and these are described in the following pages. Windows Embedded CE 6.0 After replacing the USB Flash Drive and Compact Flash Card, or should the CF card file system become corrupt, the workstation can be restored in one of several ways. You can also use one of the following methods of clearing the CF card to simply switch between one client application or another. Using WCF If the WS5 can boot to Windows CE, the Wipe Compact Flash (WCF) Utility can be used. This program is located in the \DOC\ Utilities folder. WCF powers off the unit after completing the operation. o o WCF starts with a warning about clearing the Compact Flash Card. Press [YES] to continue. WCF Version 6.0 presents three options: o Clear All Registry Settings erases the registry files only. All other files remain. o Erase Compact Flash erases all files on the CF card including SAR files and e7 totals files. o Format Compact Flash does just that. It formats the CF Card File Allocation table, clearing all files (and possible corruption) from the card. The CF Card File system (FAT) in Windows Embedded CE 6.0 can over time become corrupt. CF Card file system corruption is defined as inaccurate File Allocation Table (FAT) data that can result in files or folders that are stored or read incorrectly. The amount of corruption and the symptoms it causes varies. Should corruption of the CF file system occur, it can only be removed through formatting. Using the WCF Utility to Erase Compact Flash may temporary resolve the corruption related symptoms, but this does not remove corruption from the FAT and symptoms may return. After completing the command, WCF power-off the workstation. When the OS starts, it finds that the CF card does not contain a registry, forcing it to use the default registry from the operating system image. The default registry always starts the CAL so it can assist in locating an application. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-19

100 Workstation 5 Troubleshooting Workstation Recovery and Platform Update Procedures Using the CAL to Configure a CE Workstation The Client Application Loader is part of the WS5 CE Platform software that ships with each unit. The CAL Server is distributed with and installed by POS application software. A registry setting ensures the CAL client starts each time the operating system starts. Windows Embedded CE 6.0 clients use the CAL, and WEPOS clients use CAL32, updated to run in the WIN32 environment. Each version is capable of performing the same tasks. When the CAL starts, it examines the registry to determine if it has already configured the workstation. When the CAL connects to an application server and downloads an application, it saves CAL, network, server and application related information in the workstation s registry. This allows the CAL to quickly determine that an application is installed, remain in the background, and allow the application to start. Using WCF to delete the registry, format or erase all files removes the CAL configuration data so the next time the unit starts, the CAL assumes the workstation is new and must be configured. When the CAL determines the WS5 is not configured, or if you use the Reconfigure CAL shortcut, it presents the MICROS CAL Busy... Obtaining a List of Available Servers window. After the CAL collects the responding server(s), it presents the MICROS CAL Select Server window. This window displays a list of responding CAL severs along with the application type. The CAL downloads the POS Application When a server is selected, the CAL presents a list of workstations, pre-programmed in the database. When a workstation is selected from the list, the CAL downloads the POS application and support files, then updates the registry. Stand-alone CAL For a Workstation 5 running the e7 application in stand-alone mode (no server), a modified version of the CAL script is used to load the application from a USB thumb drive attached to an IO panel connector Workstation 5 and 5A Field Service Guide - 3rd Edition

101 Workstation 5 Troubleshooting Workstation Recovery and Platform Update Procedures Using Windows CE Factory Restore For Windows Embedded CE 6.0 configurations, a custom pre-boot firmware application we call Windows CE Factory Restore is available. This is a new tool designed to ease depot maintenance. Should the OS image or platform files become corrupt and prevent the unit from booting, Factory Restore replaces all files on USB Flash Drive and erases the CF Card, returning the unit to the out of box factory condition. To understand how Factory Restore functions, refer to Figure 3-6, below and examine how the USB Flash Drive is partitioned. Figure 3-6: USB Flash Drive Partitions Starting at the left, Partition 1 is the hidden boot partition, containing the WinCE image file NK.BIN. Partition 2 is also hidden and contains the factory restore files. This includes a duplicate set of platform files, configuration files and folders, utilities and the NK.BIN file. Partition 3 is visible and appears as \DOC in My Devices. Figure 3-7 illustrates how WinCE Factory Restore copies the image file and platform files to the correct partitions. Figure 3-7: Windows CE Factory Restore Operation NK.BIN is copied from Partition 2 to Partition 1, the boot partition. Platform files and folders are copied from Partition 2 to Partition 3, the \DOC folder. Finally, WCF is used to remove all files from the CF Card. Included in the \DOC folder is the FACRECOV.DAT file. When the unit is shipped, this file contains the GR version of the recovery files. Each time the Factory Restore feature is used, the time and date are appended to the file. The contents of this file can be viewed with the WS5DiagUtility by pressing the [Recovery Image Info] button located on the System Information Screen. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-21

102 Workstation 5 Troubleshooting Workstation Recovery and Platform Update Procedures After the unit is placed in the field, subsequent Platform Updates may occur. Currently, when a Platform Update is performed, it updates the files in Partition 1 and Partition 3, but not Partition 2, the factory restore partition. This can result in one or more files in the recovery partition becoming out-of-date. However, since the primary goal of Factory Restore is to repair a Workstation that previously did not boot, the unit can now be pointed to a CAL or application server with the latest platform updates installed. Factory Restore Procedure The procedure to initiate a Factory Restore can be found below and applies to Windows Embedded CE 6.0 unit only. WARNING Windows CE Factory Restore deletes all files from the Compact Flash Card. If required, take steps to preserve files on the CF card before running factory restore. If the CF Card is formatted to FAT32 (partition type 0x0b), it will not be erased and may cause Factory Restore to fail. 1. Connect a USB Keyboard to the workstation and power-up. Be sure to remove any USB Flash or Thumb Drives attached to the IO panel USB ports. 2. The instant the BIOS splash screen appears, press the key combination [ALT-M]. Note: Some keyboards may not initalize in time to detect this key combination. As an alternative, you can press [Del] to enter BIOS Setup, select the Features Configuration screen, and set the WIN_CE_FACTORY_RESTORE field to Enabled. Press OK to continue. o The screen prompts for the system password. 3. If you have not changed the default system password, enter Grnbelt (case sensitive) and press Enter. Press Y to confirm. o If the password entry is successful, the screen returns to the Setup Main Menu. 4. Select Write to CMOS and Exit and press Enter. Press Y to confirm. o The unit restarts and prompts Factory Restore in Progress - Please Wait. 5. When the process is complete, the unit automatically restarts. Connect the workstation to properly configured CAL server to receive the latest platform files and BIOS Workstation 5 and 5A Field Service Guide - 3rd Edition

103 Workstation 5 Troubleshooting Workstation Recovery and Platform Update Procedures WEPOS Order the WEPOS WS5 Recovery Kit, P/N The kit includes a 2G Compact Flash Card /w recovery image and MD To support WEPOS recovery, the BIOS must be G1025 or later. This BIOS supports the ALT-W key combination that starts the WEPOS recovery process. MD , included in the kit contains instructions for using a CF card to upgrade the BIOS if required and how to use the recovery CF or add your custom recovery image. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-23

104 Workstation 5 Troubleshooting LCD Display Related LCD Display Related This section lists LCD display related issues. First, the blank or dark display issues are addressed, the we move on to situations where the display is functional, but experiences visual problems. Let s define the terms Dark LCD and Blank LCD, used throughout this section. Dark LCD indicates that the LCD backlights do not turn on. Any text or graphics would not be visible under normal lighting conditions. Blank LCD indicates that the LCD backlights are on, but no text or graphics appear on the screen. In other words there is no video data to display. Dark LCD (No Backlight) Symptoms: The backlights are off, but the unit appears to boot normally (the unit produces a single beep to indicate a successful POST, the Operator LED turns solid Blue to indicate the unit booted to the operating system). Defective Backlight Inverter Board. Loose or damaged Backlight Inverter Cable. Check Backlight Supply Voltage (VCC_BL) through F1 to J3-4 and 5. Should be +12V. Defective System Board. Blank LCD (No Video) Symptoms: The backlights are on (the LCD is white), the unit appears to boot normally (the unit produces a single beep, the Operator LED is flashing Blue), and turns solid Blue after some period of time. No video appears on the LCD. Loose or defective LCD cable. Defective System Board. No Power to LCD Panel. o Check LCD Supply Voltage (VCC_LCD) at J8-1, 2. Should be +3.3V. If 0V, check switch Q9 and Q10. Flickering LCD Symptoms: The flickering may be seen during the blue screen or after the workstation boots. Disconnected backlight tube(s), or bent/corroded pins on the inverter connector(s) Workstation 5 and 5A Field Service Guide - 3rd Edition

105 Workstation 5 Troubleshooting LCD Display Related Defective Backlight Inverter Board. Defective or old backlight tube(s). LCD Backlight too Dim Symptoms: The backlight(s) are very DIM at power-up and do not improve over time as the operating temperature rises. Disconnected backlight tube(s) or bent pins on the inverter connector(s). Defective Backlight Inverter Board. Incorrect LCD Jumper setting. See below. Defective or old backlight tube(s). LCD Image Problem Symptoms: The Blue BIOS Splash Screen appears but contains no color and text is very fuzzy. When the OS boots, the screen appears very dim. Loose cable connection between the system board and LCD panel. Damaged cable - missing one or more conductors. Incorrect LCD Jumper Configuration. Determine if the LCD is Sharp or AUO and set the jumper - See below. LCD Quality Problems Symptoms: The LCD exhibits tearing, loss of vertical or horizontal sync, flashing colors. Loose cable connection between the system board and LCD. Damaged cable - one or more missing conductors or damaged connector body. Defective LCD Panel. Configuring the LCD Jumpers A total of three jumpers define the LCD panel. Two jumpers are located on the Backlight Inverter Board to select the LCD Panel Type. The third jumper, J17 configures the TFT_PANEL_MODE signal on Pin-20 of the interface connector J21. J17 is located just behind the Mag Stripe Reader connector. For the Sharp LCD, a jumper is installed between pins 1 and 2 of J17 in order to pull TFT_PANEL_MODE high. If this jumper is not installed, or set to pins 2-3, the Sharp LCD malfunctions, but sustains no permanent damage. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-25

106 Workstation 5 Troubleshooting LCD Display Related Figure 3-8, below shows the LCD configuration jumpers for the Sharp LG45 and AUO XG03 15 LCD Panels. Sharp LG45 AUO XG03 Figure 3-8: Configuring the LCD Panel Jumpers The AUO XG03 LCD Panel was in production Workstation 5 and 5A Field Service Guide - 3rd Edition

107 Workstation 5 Troubleshooting Touchscreen Related Touchscreen Related This section includes several touchscreen related symptoms and applies only to the ABRD88, or Workstation 5 system board. Note that a POST for the touchscreen interface and controller is not implemented. Touchscreen Not Responding after the Operating System Starts Symptoms: The Workstation 5 starts Windows Embedded CE 6.0, but the touchscreen does not respond. No error messages are reported. Restart the Workstation. Do not touch the screen until after the unit boots to the CE Desktop. o The current Windows Embedded CE 6.0 touch screen driver has a known issue where if the user touches or cleans the touchscreen while WinCE boots, it fails to detect touches after WinCE displays the desktop. If the touchscreen does not function after allowing the system to boot without touching the screen, see below. o Defective, damaged, or pinched interface cable. Check the cable at the point where it mounts to the glass surface. o Defective touchscreen interface U17/U19. o Damaged EMI Protection Circuit - Check D8 through D12. Touchscreen Calibration Symptoms: After booting, touches appear on the screen, but the calibration is such that you cannot access the desktop calibration icon. Defective, damaged, or pinched interface cable. Check the cable at the point where it mounts to the glass surface. Connect a USB Keyboard/Mouse combo and start the TSHARC Calibration utility on the desktop. o Run through the calibration procedure, touching and holding each target, and releasing when prompted. If touchscreen calibration is not acceptable after completing the procedure, see below. Defective Touchscreen glass. Incorrect configuration jumper settings. o The Workstation 5 supports a Capacitive Touchscreen, but as of February 2009 this option has not entered production. If the configuration jumpers are missing or set incorrectly, the symptoms may appear as a calibration issue instead of a no response to touch. message. Refer to Figure 3-9 to make sure the jumpers are set correctly. Note that Pin 1 of the jumper block faces the IO Panel. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-27

108 Workstation 5 Troubleshooting Touchscreen Related Figure 3-9: Resistive/Capacitive Touchscreen Configuration Jumpers False Touches Symptoms: The cursor may jump to random locations or to the same location without touching the screen. The cursor may also jump to a different location than where you touch. Damaged touch surface. Look for obvious gouging caused by objects dropped on the screen Workstation 5 and 5A Field Service Guide - 3rd Edition

109 Workstation 5 Troubleshooting Local Area Network (LAN) Related Local Area Network (LAN) Related Workstation 5 Does Not Connect to the LAN Symptoms: The workstation is connected to the server via the LAN, but communications can not be established. NOTICE On a WS5 running WEPOS, the RJ-45 LAN Connector LEDs currently do not function and remain dark. The RJ-45 LAN connector on the rear panel includes a pair of LEDs to assist with basic LAN connectivity troubleshooting, shown in Figure 3-10 below. Figure 3-10: Workstation 5 LAN Indicator LEDs The following discussion applies only to a Workstation 5 running Windows Embedded CE 6.0. LED1 combines both the link and connection speed functions in a single device. When LED1 is illuminated, this indicates a valid link while the color indicates the connection speed. The connection speed is automatically negotiated when the cable is connected. However, this does not mean the Workstation will actually be able to communicate with the server. This is because the link LED operates at the physical layer of the network, and does not require an operating system, network drivers, or TCP/IP address to function. As long as power is applied, the Ethernet controller in the hub or switch produces Link Beat Pulses that are detected by the Ethernet controller in the WS5 causing it to illuminate the appropriate Link LED. Likewise, the Ethernet controller in the WS5 is producing the Link Beat Pulses which are picked up by the Ethernet Controller in the hub or switch, causing it to illuminate its Link LED. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-29

110 Workstation 5 Troubleshooting Local Area Network (LAN) Related WS5 will not Connect to LAN (Link LED OFF) Symptoms: When the WS5 is connected to the LAN, but LED1 or LED2 do not illuminate. In the OS, the system tray network icon (next to the clock) displays a Red X. Note: the Link LEDs do not function when WEPOS is installed. Mis-wired network connector at the workstation or network device wall plate. (this is more likely in a new installation). Disconnected or defective or damaged patch cable at the WS5 or network device. Defective or damaged in-wall cabling between the WS5 and other network device. Defective or non-powered network device. (For example, the WS5 is connected to a network switch, but the device is not powered). WS5 will not Connect to LAN (Link LED ON) Symptoms: When the WS5 is connected to a LAN, the Link LED illuminates, but the unit cannot connect to a server. The WS5 may need to use DHCP, but a static IP address is assigned. Moving a workstation between various POS Applications can cause this to occur. MICROS and third party applications use different methods of assigning an IP address to the WS5. Some POS applications may require that the WS5 obtain the IP address via DHCP, while others may require the WS5 be assigned a static IP addressees in the x.x range. o o o o To configure the workstation for DCHP or Static IP, from the desktop, press Start - Settings - Network and Dial-Up Connections. Touch the PCI-RTCENIC1 icon twice. In the IP address tab, make the selection between DHCP or Static IP and enter a static IP address suitable for the site (normally in the x.x range) if required. Restart the WS5 after making changes to network settings Workstation 5 and 5A Field Service Guide - 3rd Edition

111 Workstation 5 Troubleshooting Peripheral Related Peripheral Related IDN Port COM4 (RS422) Does Not Function Symptoms: When using the IDN Print test, or attempting print from the application, the IDN printer does not print or prints erratically. In other cases, printing may occur, but the application does not receive confirmation. The following assumes you are working with a patch cable and IDN printing device that is known to be functional. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. Carefully move the pins into the correct position if necessary. Defective interface. o Transceivers U24 (TX) and U25 (RX). o Voltage Level Shifter U2. (Under the CF Daughter Card) o IDN/RS232 Select Logic. o UART - U41. o Damaged/Defective RS422 Termination Components. Fuses F3 - F6, clamping diodes D13-D16, resistors R103, R104, R112, R113, R117, R125 and R132. Defective or damaged IDN Module in the printer. o Substitute the IDN module. RS232 COM4 Peripheral Device Does Not Function Symptom: An RS232 peripheral connected to the IDN Port does not function. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. Carefully move the pins into the correct position if necessary. Defective RS232 Line Driver/Receiver. o U18. Defective IDN/RS232 Select Logic. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-31

112 Workstation 5 Troubleshooting Peripheral Related COM5 RS232 Port Symptom: An RS232 peripheral connected to this modular COM port does not function. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. Carefully move the pins into the correct position if necessary. Defective Interface Circuit o RS232 Line Driver/Receiver U12. o UART - Super IO U8. COM1 RS232 Port Symptoms: An RS232 peripheral connected to this DB9 COM port does not function. Defective Cable. Defective Interface. o RS232 Line Driver/Receiver U5. o UART - Super IO U8. Mag Stripe Reader Interface Symptoms: The Internal Mag Stripe Reader does not function in the Diagnostic Utility or Application. Mag Card Reader Connector not attached to CN14 or damaged connector. Mag Stripe Card Reader Cable pinched or damaged. Defective Mag Stripe Reader Assembly. Defective System Board Interface Circuit. o Level Shifters U13 and U14. Inverter U11. o UART - Super IO #2 - U Workstation 5 and 5A Field Service Guide - 3rd Edition

113 Workstation 5 Troubleshooting Peripheral Related Customer Display Interface Symptoms: The Integrated or Pole Customer Display does not function. The unit should auto-detect the LCD or IEE 2x20 VFD customer display at power-up. If a customer display is not detected after several power-up cycles, you can check the following. Internal customer display cable disconnected from J2 or IO panel connector damaged. Damaged Pole Customer Display Connector CN4. No Power to Customer Display Connector. o Make sure +5V appears at J2-1. If not, check voltage switch Q27, Q15 and F2. Defective Interface circuit. o Multiplexer U10, NOR Gate U4A and U4C, and Level Shifter U3. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-33

114 Workstation 5 Troubleshooting Mechanical Related Mechanical Related Power Button Sticks Symptoms: The power button actuator becomes recessed in the case. The workstation does not change states when the power button is pressed. Power Button Actuator can become dislodged, normally through excessive force on the button. The actuator remains recessed in the base and cannot actuate the power button. In most cases, the actuator is not permanently damaged. o Refer to Chapter 3 and remove the top cover and the LCD/Touchscreen assembly to access the power button actuator. o Remove the Power Button Actuator by removing the single mounting screw. o Loosen the System Board fasteners mounting hardware and move the board towards the front of the chassis. o Reinstall the Power Button Actuator, install the shoulder screw and tighten. The tip of the power button actuator should just touch the system board switch as shown below. Secure the system board fasteners. Figure 3-11: Power Button Actuator Alignment 3-34 Workstation 5 and 5A Field Service Guide - 3rd Edition

115 Workstation 5 Troubleshooting WS5 Diagnostic WS5 Diagnostic The Workstation 5 includes a diagnostic utility as part of the platform software. Windows Embedded CE 6.0 For Windows Embedded CE 6.0 units, the WS5DiagUtility is provided. This utility is based on the WS4 DiagUtility found in the original Workstation 4/4 LX, and updated to run on the Workstation 5. WEPOS WEPOS (or later POSReady 2009) configurations run a modified version of PCWS Utility that can be accessed from a desktop icon. This utility is a direct descendant of the WIN32 PCWS 2010 Diagnostic Utility, but updated to run on the Workstation 5 hardware. Each utility provides a great deal of information about the hardware and software components of the WS5 platform and includes tests of the point-of-sale interfaces and supported printers. To run the Windows Embedded CE 6.0 diagnostic, see below. To run the WEPOS version of the Diagnostic Utility, see page Starting the WS5DiagUtility 1. From the CE Desktop, touch the My Computer icon twice. 2. Touch the \DOC icon twice. 3. Touch the Utilities folder twice. 4. Touch the WS5DiagUtility icon twice to start the utility. When WS5DiagUtility starts, it displays the System Information screen - a summary of the hardware and software components that make up the Workstation 5 CE Client. In the following pages, we ll break this screen down into individual hardware and software components, and provide a brief description of each. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-35

116 Workstation 5 Troubleshooting WS5 Diagnostic System Information Screen - Hardware Components When you start the DiagUtility, it displays the System Information screen. This screen combines the WS5 hardware and WinCE software components into a single location. In Figure 3-12, below, the hardware information is highlighted. The Workstation 5 in this example contains the ABRD88-E (Revision E) System Board with the GR 1.2 platform software. Figure 3-12: WS5DiagUtility - Hardware Platform A brief description of each hardware component follows. Diagnostic Version Displays the current WS5DiagnosticsUtility Version number. Workstation Model This field identifies the unit as a Workstation 5. Hardware Revision This field displays the WS5 System Board hardware revision. It is read directly from the board revision jumpers through the API. System Board Revisions of E and F may be observed Workstation 5 and 5A Field Service Guide - 3rd Edition

117 Workstation 5 Troubleshooting WS5 Diagnostic RAM Space Available This field displays the amount of available RAM installed in the System Board DIMM sockets. Physical Address This field displays the Media Access Control (MAC) number assigned to the system board Ethernet Controller. Each workstation will display a unique value in this field in the form: 00a0a4xxxxx. DHCP Server Address This field displays the DHCP server address when the unit operates on a DHCP based network. IP Address (Static or Dynamic) This field displays the workstations IP address. When Dynamic is displayed, the field indicates an IP address assigned by a DHCP server. When Static is displayed, this indicates the unit is assigned a static IP address. Motherboard Serial This field contains a 19-digit serial number created at the time the system board is manufactured. This number is stored in a Serial EEPROM. USB Flash Drive Size This field displays the size of the \DOC partition on the USB Flash Drive. The standard 256M USB Flash Drive contains three partitions of equal size, but only one of these, the \DOC partition is visible in Windows Embedded CE. This means that a 256M USB Flash Drive will display about 80M. CF Size This field displays the total size of the CF Card in bytes. The Windows Embedded CE 6.0 configuration ships with a 256M device. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-37

118 Workstation 5 Troubleshooting WS5 Diagnostic System Information Screen - Platform Files Figure 3-13 displays the System Information Screen with the platform files highlighted. WS5 Platform files encompass several components, listed below. Figure 3-13: WS5DiagUtility - Software Components Windows Embedded CE 6.0 Operating System. The General Software Embedded BIOS All files and folders located on the USB Flash Drive \DOC partition including. Together, this collection of the operating system image, drivers, and utilities are pre-installed on the unit prior to shipping to provide a foundation upon which all POS applications are installed. During testing, the platform software components are referred to as a RC (Release Candidate) until such time that MICROS deems the components complete and stable, where becomes known as a General Release (GR) package and posted to the MICROS HSG Hardware Portal. Each GR package includes a modified wallpaper bit-map that states the GR number. The GR Platform Update is the preferred method of obtaining and deploying updates for the Workstation 4 LX and Workstation 5 platforms. Refer to FB for more information about obtaining platform updates Workstation 5 and 5A Field Service Guide - 3rd Edition

119 Workstation 5 Troubleshooting WS5 Diagnostic Diagnostic Version This field displays the WS5DiagUtility Software Version. WinCE Version This field reports the Windows Embedded CE 6 Build Number. MICROS Build Version The MICROS Build version represents the combination of the Windows Embedded CE image and internal drivers. Note: The G is an abbreviation for Greenbelt the internal project name for the Workstation 5. The MICROS Build Version increments when the following occurs: o o A Windows CE internal driver is added, removed, or modified. Updates, Hotfixes and QFEs applied to any component of Windows Embedded CE 6.0. CAL Version This field displays the version of CAL client residing on the Workstation. LXBEEP.DLL Version This driver allows POS applications to access the system board beeper while Windows Embedded CE 6.0 is running. At boot time, the BIOS controls the beeper. LXPOWER.DLL Version This driver helps manage power button events while the operating system is running. In addition, applications such as the CAL call upon this driver to force a restart of the workstation during an application download or platform upgrade. UWS4.DLL Version This field contains the WS5 API, or Application Programming Interface. POS applications use the API to access POS hardware such as cash drawers, Mag Stripe Reader, and the LCD Customer Display. LED.DLL This driver controls the Operator LED blink rate when the OS is running. At start-up, the LED blinks once per second, then turns solid Blue as the operating system starts and loads this file. E2PROM.DLL Version This driver provides access to the system board serial EEPROM that is used to store information such as the system board serial number reported on the System Information Screen. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-39

120 Workstation 5 Troubleshooting WS5 Diagnostic BIOS Version This field displays the current BIOS Version. Again, the G represents Greenbelt the internal project name for the Workstation 5. Other Platform Files and Folders Several other platform related files are located on the \DOC partition that do not appear on the System Information Screen. These files use either a.dat extension or no extension. By default, Windows hides many file extensions including.dat. To see all files, touch View - Options and remove the three check boxes found in the Folder Options window. \DOC\PoleConfig The Workstation 4 LX and Workstation 5 share the ability to auto-detect the type of customer display installed. Therefore the PoleConfig file is no longer required. \DOC\MSRConfig This file is read by the API at start-up to determine if a carriage return should be appended to Magtek Mode card data. o o If MSRConfig is not present or contains the statement Magtek_CR=0, a carriage return character is NOT appended to the mag card data track. If MSRConfig is present and contains the line Magtek_CR=1, a carriage return is appended to the mag card data track. \DOC\FACRECOV.DAT This file contains information about the Windows CE Factory Restore feature. When the unit ships, this file contains a single line - the GR Version of the Windows CE Factory Restore Files. Each time the Windows CE Factory Restore feature is used, the time and date are appended to this file. The contents of this file are displayed by the WS5DiagUtility when you press the [Recovery Image Info] button. \DOC\HWInf\ This folder contains several INF files that determine the backlight brightness ranges and settings. Each file is specific to a given brand and model of LCD panel. For example, the unit ships with a Sharp LG45 LCD Panel. A pair of jumpers located on the Backlight Inverter Board are set to Sharp. At start-up, the WS5 API reads the jumpers and selects the appropriate INF file, in this case the lxvideo_sharp.inf file Workstation 5 and 5A Field Service Guide - 3rd Edition

121 Workstation 5 Troubleshooting WS5 Diagnostic The values contained in the INF file are selected to obtain the maximum possible brightness at the BRIGHT, NORMAL and DIM settings, while at the same time maintaining the rated MBTF of the backlight tubes. Other files located in this folder include the lxvideo_auo.inf file to support the alternate AUO G15XG03 LCD. This panel is currently in production. The Backlight Inverter Board jumpers are set to AUO and the API will reads the lxvideo_auo.inf file at start-up. See page 3-25 for the LCD Jumper settings. \DOC\McrsCAL Folder This folder contains the MICROS Client Application Loader, McrsCAL.Exe and a number of support DLL files. If a platform update has been performed, a folder called \DOC\McrsCALUpd may be present. \DOC\Scrnsaver This folder contains the Workstation 5 Screen Saver and Backlight Control Utility. By default, the screen saver is active when the unit leaves the factory. Within five minutes of inactivity, a WS5 Logo will appear in float mode. Twenty minutes after the screen saver engages, the backlights turn off. When the screen saver is engaged, a single touch restores the screen and discards the touch coordinates. A Control Panel Applet lets you disable or configure the activation time(s) and or load a custom bitmap. \DOC\WS5BkgndImage.jpg This file is the Windows CE desktop wallpaper. With each release, it is updated to display the language version and General Release Version numbers. Workstation 5 and 5A Field Service Guide - 3rd Edition 3-41

122 Workstation 5 Troubleshooting WS5 Diagnostic Activity Counters, Dump Sys Info and Recovery Image Info Located at the lower left side of the System Information screen are the [View Counters], [Dump Sys Info], and [Recovery Image Info] buttons. A functional description of each follows. [View Counters] Touch this button to display a set of counters that track the number of times an MSR swipe occurs and the number of times each cash drawer is opened. Each counter is stored in the registry and will reset to zero if the CF card is wiped or formatted. [Dump Sys Info] Touch this button to create a file called WS5dump.txt on the CF Card. This text file contains all of the fields and counters reported by the System Information screen in a comma separated ASCII text format. The text file can be retrieved from the CF card and examined for troubleshooting or purposes. [Recovery Image Info] Touch this button to determine the version of the factory restore files and track usage. The information is contained in file called FACRECOV.DAT, located in the \DOC folder. The screen capture below is an example of this screen, each field is explained in more detail below. Figure 3-14: Displaying the Factory Restore Information Screen The Image Version fields displays the version of the restore files. The restore files are contained in a hidden partition Workstation 5 and 5A Field Service Guide - 3rd Edition

123 Workstation 5 Troubleshooting WS5 Diagnostic The Recovery Image Counter field displays the number of times the WinCE Factory Restore feature has been used. The Summary field includes a text box that displays the version of the restore files and a date/time stamp listing each time the recovery feature is used. In this case, the WinCE Factory Restore feature has been activated one time. Note the date format is DD/MM/YYYY. System Information Screen (WEPOS PCWS Utility) A WS5 running the WEPOS operating system includes the PCWS Diagnostics Utility. The PCWS Utility is descended from the PCWS 2010 Diagnostics Utility. Starting the WEPOS Diagnostics Utility A desktop icon is linked directly to the diagnostics utility. 1. Touch the PCWS Utility icon on the desktop start the utility. o The icon is short-cut to \B\PCWSUtility\WS5XPDiagnostic.exe. 2. The WS5 XP Diagnostics Utility should start. Figure 3-15, below displays a sample of the WIN32 version of the PCWS Diagnostics Utility. Figure 3-15: WS5 XP Diagnostics Utility Main Screen Workstation 5 and 5A Field Service Guide - 3rd Edition 3-43

124 Workstation 5 Troubleshooting WS5 Diagnostic 3-44 Workstation 5 and 5A Field Service Guide - 3rd Edition

125 Chapter 4 Workstation 5A System Board Technical Overview This chapter provides technical descriptions of the Workstation 5 System Board and accessories. In this chapter Workstation 5A Block Diagrams ICH8M General Features TFT LCD and Backlight Interface LPC Interface Point Of Sale Interfaces Workstation 5 and 5A Field Service Guide - 3rd Edition 4-1

126 Workstation 5A System Board Technical Overview Workstation 5A Block Diagrams Workstation 5A Block Diagrams CCFL Backlights - Resistive Touchscreen - Revision C or D Figure 4-1 displays a block diagram of the WS5A with resistive touchscreen and CCFL Backlights. Figure 4-1: Workstation 5A with Resistive Touchscreen 4-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

127 Workstation 5A System Board Technical Overview Workstation 5A Block Diagrams LED Backlights - Resistive Touchscreen - Revision C or D Figure 4-2 displays a block diagram of the WS5A with Resistive Touchscreen and LED Backlights. On the Revision D System Board, the DC-to-DC Converter that powers the LED backlights is located on the System Board (U68). Figure 4-2: Workstation 5A with Resistive Touchscreen and LED Backlights Workstation 5 and 5A Field Service Guide - 3rd Edition 4-3

128 Workstation 5A System Board Technical Overview Workstation 5A Block Diagrams CCFL Backlights - Resistive Touchscreen - Revision F Figure 4-3 shows a block diagram of the Revision F System Board. It is based on a resistive touchscreen and CCFL Backlights. Figure 4-3: Workstation 5A Revision F System Board 4-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

129 Workstation 5A System Board Technical Overview Workstation 5A Block Diagrams Intel Atom N450 General Features Single Core - Speed 1.6GHz 32kB instruction cache, and 24 kb write back data cache 512K L2 Cache Hyper-Threading Technology (2 threads) Micro-FCBGA8 package 22x22 mm Enhanced Intel SpeedStep Technology Intel Enhanced SpeedStep technology monitors workstation activity and reduces power consumption when the workstation is idle. When performance is required, Intel SpeedStep technology enables real-time switching of multiple performance modes. Changes to the core processor speeds, bus ratios, and core operating voltages all occur without resetting the system. Thermal Management via TM1 and TM2 Interfaces The N450 and D410/D510 (System Board Revision F or later) combine the Integrated Memory Controller (IMC), Graphics Controller (GPU), Direct Media Interface and single core CPU on a single die. Integrated Memory Controller (ICM) The Integrated Memory Controller supports DDR2 protocols and a single 64-bit wide channel to access two SO-DIMMs. Single Channel DDR2 Controller supports data transfer rates of 667 M/T Non-ECC, unbuffered DDR2 SO-DIMMs only. 512 Mb, 1GB, and 2GB DDR2 memory technologies supported. The WS5A System Board implements two SO-DIMM sockets, supporting a maximum of 2GB. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-5

130 Workstation 5A System Board Technical Overview Workstation 5A Block Diagrams Graphics Processing Unit (GPU) The GPU is composed of engines, planes, pipes, and ports. The GPUs 3D/2D engines are fed with data through the integrated memory controller. The outputs of the engines are surfaces sent to the memory, then retrieved and processed by the processor planes. Feature highlights include: 3rd generation graphics controller refresh Intel Dynamic Video Memory Technology DirectX 9 compliant Pixel Shader MHz render clock frequency 2 Independent Display Ports: Single LVDS Channel to the workstation 15 LCD at 1024x 768 Analog RGB display output on the IO panel supports resolutions up to 60hz. Intel Clear Video Technology MPEG2 Hardware Acceleration The second generation Intel Atom N450 offers improved graphics performance over previous Intel Atom platforms such as Navy Pier in three ways: Move the graphics and memory controllers into the processor package. Increase the system front side bus speed from 533Mhz to 667MHz. Increase the Graphics Controller clock speed from 166Mhz to 200Mhz. Direct Media Interface (DMI) Direct Media Interface is the chip-to-chip connection between the Processor and IO Controller Hub. This high-speed interface integrates priority based servicing allowing for concurrent traffic and true isochronous transfer capabilities. Base functionality completely software-transparent, permitting legacy software to operate normally. Features: Supports two lanes in each direction 100MHz reference clock 2.5Gb/s point-to-point DMI Interface to the ICH8M Raw bit-rate on the data pins of 2.5Gb/s, resulting in real bandwidth per pair of 250MB/s including the 8b/10b encoding used to transmit data across this interface. 4-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

131 Workstation 5A System Board Technical Overview ICH8M General Features ICH8M General Features The ICH8M consists of a family of IO Controllers that encompass home, office and mobile applications. The WS5A system board uses the ICH8M, targeted for low power mobile applications such as laptop computers. In addition, it is the only member of this family that includes an IDE port, required to support the CF Card. The ICH8M provides all IO support to the workstation platform as shown in Figure 4-4. Figure 4-4: ICH8M I/O Port Summary Workstation 5 and 5A Field Service Guide - 3rd Edition 4-7

132 Workstation 5A System Board Technical Overview ICH8M General Features USB 2.0 Ports The ICH8M contains a total of ten USB 2.0 ports. In the Workstation 5A, five of these ports are located on the IO panel, and five are located on the System Board. The WS5A System Board Revision D and later implement USB switches on the five external USB ports as described below. USB1 - USB4 Control (REF: ABRF49 - Sheets 14, 23 and 28) Figure 4-5, below displays a block diagram of USB Ports 1 through 4 and points out USB port control on the Revision D system board. Figure 4-5: USB Port Control USB1 - USB4 (Revision C/D and F) 4-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

133 Workstation 5A System Board Technical Overview ICH8M General Features USB Port Enable/Disable Individual USB port switching is accomplished with High Speed USB Port Switches. This high-bandwidth switch is specifically designed for switching high speed USB 2.0 signals with little or no signal loss. Internal details of a typical switch is shown in the lower left side of the illustration. Each switch has an active Low input OE# (Output) pin. The WINCE or WIN32 API controls the OE pin through GPIO lines called USB_CTRLx where x designates the port number. The DiagUtility includes a tab for USB Port Control. When the OE# is high, the switch is enabled and USB data signals pass to the connector. To enable (or disable) one or more USB port(s), one simply adds (or removes) a checkbox from that port designation. The change in port status occurs immediately without the need for rebooting. U21 - VBUS Control for USB1-USB2 U21, an LM3526 Dual Port USB Power Switch supplies +5V to VBUS to each port and provides short circuit protection for USB Ports 1 and 2. The device is composed of two P-channel MOSFETS, one for each port, with separate enable inputs and fault outputs. Typically, when the enable inputs are high, current flows from the IN(put) pins through the MOSFET and OUT towards the load. Should a USB device draw excessive current (USB Ports are limited to 500ma), the device employes a two-stage thermal protection circuit. If the internal temperature becomes greater than 150 C, the MOSFETs turn off and the fault outputs, FLAGA# and FLAGB# go active. Each output includes a 1 ms delay to prevent false over-current reporting from the in-rush current caused by hot plug events. Should the load continue to draw excessive current, the MOSFETs will cycle off and on, due to the rising and falling die temperature, until the short is removed. The FLAG outputs for each channel are routed back to the USB controller to set corresponding bits in the USB controller registers to indicate the over-current condition has occurred. The enable inputs ENA and ENB are pulled up to VCC5_PS_STBY through 10K resistors, while IN is connected directly to VCC5_PS_STBY. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-9

134 Workstation 5A System Board Technical Overview ICH8M General Features U14 - VBUS Control for USB3-USB4 U14, an LM3526 Dual Port USB Power Switch supplies power and provides current-limiting requirements for USB3 and USB4. This device functions as described above, but for the USB3 and USB4 IO Panel Connectors. USB6 Data Port Switch (REF: ABRF49-C/D) Figure 4-6 displays a block diagram of the IO panel USB6, designated the Workstation 5A Powered USB Port Figure 4-6: Workstation 5A USB6 Configuration (Revision C/D) The USB6 data signals are routed through high-speed USB switch U73 to J14. RL3 and D29 providing filtering and transient suppression for the USB6 data lines. +5V control at J8, Pin-1 is provided by one half of U41. J14 is a non-standard 2x10 header that includes fused +24V, +12V, and +5V inputs as well as the USB6 data lines and +5V VBUS. A custom internal cable runs from this header to the IO panel where it terminates in a rectangular shaped 1x8 connector Workstation 5 and 5A Field Service Guide - 3rd Edition

135 Workstation 5A System Board Technical Overview ICH8M General Features Custom Dongles are available for each application. For instance, the recently introduced Protege Customer Display System can be connected directly to the USB6 port for a USB 2.0 connection and +12V to power the device. USB6 Data Port and Voltage Switching (REF: ABRF49-F) Figure 4-7, below shows this circuit on the Revision F system board. A new GPIO control line, USB_CTRL6_VBUS drives three DC-switches, one for each of the port voltages, +5V, +12V, and +24V. At power-up, the BIOS toggles USB_CTRL6_VBUS On-Off-On to briefly cut then restore the powered USB voltages. Cutting the powered USB voltages effectively resets optional peripherals such as Protege. Figure 4-7: Workstation 5A USB6 Configuration (Revision F) The remainder of this circuit functions in the same manner as the Revision D system board. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-11

136 Workstation 5A System Board Technical Overview ICH8M General Features System Board USB Ports (Revisions C, D, and F) This collection of internal USB 2.0 ports are dedicated to a USB Hard Disk, the resistive or capacitive touch controller, optional PCIe Express Riser Card, and three 2x10 headers available for options such as the finger print reader or USB WiFi card. Since these ports are internal to the workstation, USB data ports are not implemented. Figure 4-8 displays a block diagram of the non-switched USB Ports Figure 4-8: System Board Internal USB Ports 4-12 Workstation 5 and 5A Field Service Guide - 3rd Edition

137 Workstation 5A System Board Technical Overview ICH8M General Features USB0 - USB Flash Drive Control (REF: ABRF49 - Sheet 23) The USB0 output of the ICH8M is routed to J8, a 2x5 header reserved for the USB Hard Disk. The USB Hard Disk is the primary boot device for Windows Embedded CE 6.0 and most POSReady 2009 configurations. (POSReady 2009 can also boot from a 21/2 HDD/SSD using the hard disk kit.) A GPIO signal named UDOC_ON is controlled by the Boot Test Image field in the ODM screen of the System Configuration Utility. UDOC_ON drives a DC switch consisting of Q12/Q11. The default setting of Normal sets UDOC_ON high, and VCC5_UDOC appears at Pin-1 of J8 to power the device. When the Boot Test image field is set to Alternate, UDOC_ON goes low, cutting power VCC5_UDOC to J8, the USB Flash Drive socket. USB5 - PCI Express Port Riser Card (REF: ABRF49 - Sheet 39) USB5 is routed to CN14 a connector for the optional PCI Express Card Riser Connector. This connector combines both USB 2.0 and a PCIe x1 channel within the same connector. USB7 - Right Angle 2x5 Header (REF: ABRF49 - Sheet 28) J28 is a right-angle 2x10 header that can be accessed through an opening in the front of the chassis when the LCD/Touchscreen assembly is installed. It is intended for top cover mounted options such as the Finger Print Reader. USB8 - Touch Controller (REF: ABRF49 - Sheet 29) USB8 is dedicated to the touch controller. The USB8 signals are routed to J12 a 2x3 configuration header. J12 selects either the on-board ELO COACH IV Resistive Controller (default) or an optional off-board Capacitive Touch Controller. USB9 - System Board Header (REF: ABRF49 - Sheet 23) USB9 is routed to J17, a standard 2x10 header. This port can be used for USB based wireless options. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-13

138 Workstation 5A System Board Technical Overview ICH8M General Features IDE The ICH8M contains a single IDE channel supporting up to two ATAPI compatible devices. The interface supports PIO IDE transfers up to 16 MB/sec and Ultra ATA transfers up to 100MB/sec with full Direct Memory Access (DMA) support. On the Workstation 5A, the IDE port is utilized for the CF Daughter Card, now updated to support Direct Memory Access (DMA) techniques for improved performance. A block diagram of the System Board to CF Daughter Card interface is shown in Figure 4-9, below. Figure 4-9: Workstation 5A CF Card Interface CF Card Interface (REF: ABRF49 - Sheet 41) The IDE interface signals are routed from the ICH8M to IDE1, the CF Riser Card Socket. The WS5A uses an upgraded version of the original WS4/WS4LX/KWS4/WS5 CF Riser Card that supports DMA enabled CF cards. DMA enabled CF Cards increase performance, but may not be compatible with previous MICROS workstations. On the next page, the define the differences between each type of riser card and describe how to convert one type to another Workstation 5 and 5A Field Service Guide - 3rd Edition

139 Workstation 5A System Board Technical Overview ICH8M General Features DMA Enabled CF Daughter Cards vs. Non-DMA Enabled This section describes how to distinguish each CF Daughter Card type at the component level, and if necessary, how to convert one type to another. Figure 4-10 shows examples of both CF Daughter Cards types. Both are Model XBRB36-G. Only the DMA Enabled sticker identifies the CF Daughter Card on the right of the photo as DMA Enabled. Figure 4-10: CF Daughter Card (Non-DMA vs. DMA Enabled) A closer look, Figure 4-11, points out the addition of R6 and R8, a pair of 0 resistors. On the non-dma enabled riser cards, these components are not installed. The 0 resistors behave as jumpers that route the DMA Request/DMA Acknowledgment signals to/from the CF Card and the system board DMA controller. Figure 4-11: Converting a Non-DMA Enabled CF Daughter Card to DMA Workstation 5 and 5A Field Service Guide - 3rd Edition 4-15

140 Workstation 5A System Board Technical Overview ICH8M General Features To summarize, if R6 and R8 are not installed, the CF Daughter Card does not support DMA Enabled CF Cards. To convert a CF Daughter Card to support DMA, use a low-wattage soldering iron and a bit of 30 gauge bus wire to short across the R6 and R8 pads. (R11 must remain empty). Please read the section below on compatibility issues. Compatibility Issues DMA Enabled CF Cards and the DMA Enabled CF Daughter Cards required to support them are not compatible with existing MICROS workstations such as the WS4, WS4LX, KWS4, Workstation 5, and PCWS If a DMA Enabled CF Card and/or DMA Enabled CF Daughter Card finds its way into one of the older Windows CE based workstations listed above, it may fail to start. In WS5 WEPOS or POSReady 2009 configurations, the unit may hang when attempting to access the CF card through My Computer. DMA operates within a strict Request - Acknowledge signaling protocol. To begin, the DMA Enabled CF card issues a Request to the DMA Controller by raising the DMA Request pin. In response, the DMA controller programs its registers for the memory-to-memory transfer, then issues the DMA Acknowledge signal to the CF Card. The card waits until it receives the acknowledgement before the transfer starts. The system hangs often associated with DMA Enabled CF cards installed in non-dma enabled CF Daughter cards and or older workstations can traced to the DMA enabled CF card making a Request for DMA service, but never receiving the Acknowledge signal since the underlying physical connection to the DMA controller does not exist (R6/R8 are not installed). PCI Express The ICH8M supports up to 6 PCI Express Root Ports, supporting the PCI Express Base Specification, Revision 1.1. On the WS5A System Board, PCI Express port 5 is routed to the optional PCI Express Riser Card socket, and PCI Express port 6 is dedicated to the on-board Ethernet Controller. SPI (Serial Peripheral Interface) The Serial Peripheral Interface is a 4-pin interface that provides a lower cost alternative for system BIOS flash than the Firmware Hub and LPC Bus Workstation 5 and 5A Field Service Guide - 3rd Edition

141 Workstation 5A System Board Technical Overview ICH8M General Features The ICH8M supports up to two SPI devices with speeds of up to 33Mhz. One SPI interface is attached to socket U55, the WS5A Flash BIOS Chip. SATA (Serial Attached ATA) The ICH8M supports the Serial ATA Specification, Revision 2.5 and supports independent DMA operation on up to three ports with data transfer rates of up to 3.0 Gb/s. Each channel consists of a transmit and receive pair. The Workstation 5A System Board is capable of supporting a single optional SATA 2 1/2 HDD or SSD. Kits are currently available. PCI Bus The ICH8M PCI interface provides a 33 MHz, Revision 2.3 implementation. The ICH8M integrates up to four external PCI Bus masters. One PCI interface is used to support the Mini-PCI connector CN12. The Mini-PCI connector supports a WiFi card, modem and a future peripheral. Ethernet The ICH8M integrates a Gigabit Ethernet Controller that is compatible with the Intel Gigabit LAN Platform Connect Device. The ICH8M integrated GbE controller supports multi-speed operation of 10/100/1000 Mb/s. The interface can operate in full duplex at all supported speeds or half-duplex at 10/100 Mb/s and complies with the IEEE 802.3x Flow Control Specification. Intel HD Audio The ICH8M controller communicates with the external codec over the Intel High Definition Audio serial link. The controller consists of a set of DMA engines that are used to move samples of digitally encoded data between system memory and the external codec. The ICH8M implements four output DMA engines and four input DMA engines. The output DMA engines move digital data from system memory to a D/A converter in the codec. Audio software renders outbound and processes inbound data to/from buffers in the system memory. The data in the buffers is arranged in a pre-defined format. The output DMA engines fetch digital data from memory and reformats it based on the programmed sample rate, bit/sample and number of channels. The ALC268 is designed to work with the ICH8 family of IO controllers used in the Workstation 5A and the PCH family of IO controllers used in the PCWS Workstation 5 and 5A Field Service Guide - 3rd Edition 4-17

142 Workstation 5A System Board Technical Overview ICH8M General Features Speaker and Line Outputs (REF: ABRF49, Sheet 28) The WS5A System Board uses a Realtek ALC268-VB1 HDA Codec. Later revisions of the WS5A board may use the ALC662 codec, a transparent replacement for the ALC268. Like the WS5, the WS5A includes a pair of speakers mounted to the left and right side of the base. A 2W per channel amplifier drives the speakers. In addition, the WS5A includes Microphone Input and Line Output connectors on the I/O Panel. A block diagram of the WS5A Audio Circuit is shown in Figure 4-12, below. Figure 4-12: Workstation 5A Audio Configuration The codec speaker outputs, HP_L and HP_R drive U23, a LM4940 part of the Boomer series of audio amplifiers. The LM4940 outputs, SPK_R_OUT and SRK_L_OUT drive system board connectors CN10 and CN11 respectively. The speakers are mounted internally, at the left and right sides of the case. The SHUTDOWN# input of U23 is connected to a diode OR gate logic consisting of dual diode D31. One diode is connected to AUD_PWRON, a GPIO from the SIO. The BIOS sets AUD_PWRON low during a warm or cold boot to reduce speaker pop. EAPD (External Amplifier Power Down) from the codec is connected to the second diode to provide additional muting. AUD_PWRON, from a GPIO pin on Super IO #1, is pulled to ground by R405 and fed to the SHUTDOWN# input of U Workstation 5 and 5A Field Service Guide - 3rd Edition

143 Workstation 5A System Board Technical Overview ICH8M General Features The LINE_OUT_R and LINE_OUT_L outputs are fed through a low-pass filter to Line Out Jack CN6. The internal speakers remain active when the Line-Out jack is used. GPIO The ICH8M includes a number of General Purpose Input/Output lines that implement custom functions and actions. On the WS5A System Board the ICH8M GPIO lines are assigned to the Operator LED, USB Port Switches, and other control functions. SMBus The ICH8M contains an System Management Bus (SMBus) Host interface that allows the processor to communicate with SMBus Slaves. This interface is compatible with most I2C devices. Special I2C commands are implemented. The SMBus also implements hardware based Packet Error Checking for data robustness and the Address Resolution Protocol (ARP) to dynamically provide addresses to all SMBus devices. System Board SM Bus devices include SMBus Repeaters U45/U65 and Temperature Monitor U47. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-19

144 Workstation 5A System Board Technical Overview TFT LCD and Backlight Interface TFT LCD and Backlight Interface LCD Interface (REF: ABRF49-D - Sheets 1, 37, 50) Figure 4-13 displays a block diagram of the Workstation 5A LCD and CCFL Backlight Interfaces current the on Workstation 5A. Figure 4-13: Workstation 5A LVDS and CCFL Backlight Interface LVDS Pixel Data and Clocks originate from directly from the Pineview M processor graphics controller, U63. The differential signals are fed through series termination resistors to J6, the system board LVDS connector. VCC_LCD Sequencing LCD Panel power sequencing is provided by the LVDD_EN output of the Pineview graphics controller. This signal drives a switch consisting of Q7 and Q6. LVDD_EN remains low and does not go active until all system voltages have become stable and the processor is executing instructions Workstation 5 and 5A Field Service Guide - 3rd Edition

145 Workstation 5A System Board Technical Overview TFT LCD and Backlight Interface CCFL Backlight Interface The backlight enable signal, LBKLT_EN originates in the Pineview Graphics Controller and is fed to U31-1 where it is ANDed with CPU_PG (CPU Power Good) at U31-2 to produce the LBKLT_EN_DELAY (Flat Panel Backlight Enable) signal at U31-4. CPU_PG serves as an indication that the processor power rails are operating within specifications. The backlight brightness signal, LBKLT_CTL originates in the Pineview Graphics Controller and is fed to U27-2 where it is ANDed with LBKLT_EN_DELAY to produce the backlight brightness signal PWMBL at U27-4. Inverter Board power, VCC_BL is supplied by VCC12 through F1 and FB8. System Board Jumper J5 System Board jumper J5 is used for LCD Panel configuration. At this time, one of two possible LCD panels may be used. Production started with the Sharp LQ150X1LG45 15 LCD Panel and J5 includes a jumper placed between Pins 1 and 2. Note that Pin-1 faces the rear of the unit. On later units with an AUO LCD Panel is installed, no jumper will be installed on J5. CCFL Inverter Board Configuration Jumpers The Backlight Inverter Board contains a pair of jumpers J4 and J5, factory configured to match the LCD panel installed. The jumper setting is routed through the interface cable to the system board as BL_MOD0 and BL_MOD1 and fed to a pair of general purpose (GPIO28 and GPIO29) inputs on Super IO. At power-up, (WINCE systems only) the API reads this pair of bits to determine the LCD panel type. When it determines the LCD panel type, for example the Sharp, it references the \DOC\HWInf folder and loads the file lxvideo_sharp.inf. This file contains backlight brightness and brightness range values optimized for the Sharp LCD. If the AUO panel is used, the jumpers are set accordingly and the API would load the lxvideo_auo.inf file from the \DOC\HWInf folder. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-21

146 Workstation 5A System Board Technical Overview TFT LCD and Backlight Interface Backlight Inverter Board (XBRE38 - Sheet 1) The Workstation 5 Backlight Inverter Board is mounted to the rear of the LCD Plate on the Workstation 5 and the Workstation 5A. It s purpose is to drive the pair of CCFL tubes located in the supported 15 Sharp or AUO LCD Panel. The board contains a pair of configuration jumpers used to define the LCD panel type. The inverter is based on U1, a Dallas/Maxim DS3992Z-18P Two Channel, Push-Pull CCFL Controller. It utilizes a push-pull drive scheme to convert a DC voltage into the high voltage AC waveform required to drive the backlight tubes. The device supports one lamp per channel with fully independent lamp controls and minimal external components. Each channel drives dual n-channel MOSFETs Q1 and Q2. The MOSFETs are connected between the primary windings of step-up transformers T1 and T2. Each transformer includes a primary center tap connected to the workstations VCC12 supply. Circuit operation is outlined below. Input Supply Monitoring U1 internally monitors both the inverter power V12, (VCC_BL), and its own VCC supply V5, (VCC5) to ensure proper operation. Additional fault monitoring includes open-lamp, lamp over current, failure to strike, and over voltage. Lamp Strike When both the V5 and V12 supplies are at acceptable levels, U1 attempts to strike (start) the lamps. During lamp strike, U1 boosts the normal lamp operating frequency by 33% to increase the voltage - then slowly ramps up the MOSFET gate duty cycle until the lamp strikes. When current starts flowing through R15 and R16 to indicate the lamps have struck, U1 returns the operating frequency to normal and enters the Run Lamp stage. Run Lamp In the Run Lamp stage, the DS3992 adjusts the MOSFET gate duty cycle to optimize the lamp current and voltage. To monitor lamp current, R15 and R16 are connected in series between the CCFL tube and ground. The voltage across each resistor is fed back to the LCM (lamp current monitor) inputs and compared to an internal reference to determine the duty cycle of Q1 and Q2. Brightness Control The controller uses a burst dimming technique to control lamp brightness. An analog voltage applied to the BRIGHT input determines the duty cycle of a digital pulse width modulated (DPWM) in the range between 180Hz and 440Hz Workstation 5 and 5A Field Service Guide - 3rd Edition

147 Workstation 5A System Board Technical Overview TFT LCD and Backlight Interface When the DPWM signal cycles high, the lamp is driven at the selected lamp frequency. This is also called the burst period because of the lamp frequency burst that occurs during this time. During the low DPWM cycle, the controller disables the MOSFET gate drivers, causing current to stop flowing in the lamp, but not long enough to de-energize the lamps. Brightness is increased/decreased by modulating the burst period duty cycle. PWMBL from the system board supplies an analog voltage to the BRIGHT input of the controller. The SVM (System Voltage Monitor) input to the controller is connected across resistor network R18 and R19 and clamping diode D2 to fully de-energize the lamps and reset the controller when the backlights are off. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-23

148 Workstation 5A System Board Technical Overview LPC Interface LPC Interface The Low Pin Count Interface is a PCI like-bus comprised of seven signals lines and is used to replace the legacy ISA bus as the interface between the ICH8, the SIO and CPLD. Figure 4-14 below displays a block diagram of the LPC Bus as implemented on the Workstation 5A System Board. Figure 4-14: LPC Bus Block Diagram A total of three devices and the LPC Debug slot are attached to the LPC Bus. Because the LPC Bus is a replacement for the legacy for the ISA Bus, the BIOS redirects Port 80H POST Codes to the LPC Bus. Super IO U22 Debug header J7 CPLD U Workstation 5 and 5A Field Service Guide - 3rd Edition

149 Workstation 5A System Board Technical Overview Point Of Sale Interfaces Point Of Sale Interfaces CPLD Block DIagram Figure 4-15 displays a simplified block diagram of U75 the system board Custom Programmable Logic Device (CPLD). This device, connected to the LPC Bus, provides many of the General Purpose I/O lines used by the POS Interfaces. In most cases, the WINCE or WIN32 API accesses registers within the CPLD to perform such tasks detecting the cash drawer status or configuring the IDN port for RS232 operation. Figure 4-15: Custom Programmable Logic Device POS Functions One important function performed by the CPLD is Recovery Button Detection (Recovery Button Operation REF: ABRF49 - Sheet 30) The Recovery Button Flip-Flop is U29A a 4013 D type Flip Flop. The device is powered from VCC3P3_STBY, a standby voltage when the workstation is in NOPOWER or soft-off. When the recovery button is pressed, the Q output of the flip-flop, RECOVERY_BTN_FF goes high. The next time the workstation is restarted, the BIOS detects that RECOVERY_BTN_FF high and initiates the recovery process by running a pre-boot program that changes the BIOS boot order to move CF Card slot in front of the primary boot device. Once the recovery image is transferred and the system restarted, the BIOS clears the Flip Flop and returns the boot order to the primary boot device. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-25

150 Workstation 5A System Board Technical Overview Point Of Sale Interfaces Customer Display Interface (REF: ABRF49 - Sheets 30 and 33) Figure 4-16 displays a simple block diagram of the WS5A Customer Display Interface showing both the integrated and pole connectors. Figure 4-16: Workstation 5A System Board Customer Display Interface The Interface Supports the MICROS LCD Customer Display which is capable of returning information to the host workstation. Sending Data to the Customer Display(s) TXD3 from the SIO is fed to pins 1 and 9 of OR gates U13A and U13C. When the API writes to the customer display, transmit data on TXD3 drives both CN3 (for the pole display) and J2 (for the integrated display) simultaneously Workstation 5 and 5A Field Service Guide - 3rd Edition

151 Workstation 5A System Board Technical Overview Point Of Sale Interfaces Receiving Data from the Rear Display To selectively receive data from an integrated display attached to J2, the API sets GPIO pin REAR_OE# low at U15-1 to gate REAR_RX from J2-3 onto U15-3, RXD3. Receiving Data from the Pole Display To selectively receive data from a Pole Display attached to CN3, the API sets GPIO pin POLE_OE# low at U15-4 to gate POLE_RX from CN3-3 onto U15-6, F_RXD3. Customer Display VCC Switch The VCC supply to customer display connectors J2 and CN3 is controlled by a DC switch consisting of Q9 and Q7. VCC5_PS is fed through F6 to the switch, controlled by the GPIO signal VCC5_DISP. Normally, VCC5_DISP is high, enabling the DC switch, supplying VCC5 to the customer display connectors. In the WS5A Diagnostics Utility LCD tab, the [Reset] button toggles VCC5_DISP low, then high to provide a true hardware reset for the LCD Display. The [Reset] button is intended to reset the LCD customer display after it receives a firmware update. The LCD Customer Display The MICROS LCD Customer Display is a graphics capable display that interfaces to the host workstation through a 115Kbaud serial interface. The display is an intelligent device, using an 8-bit controller with programmable firmware. Two versions of the LCD Customer Display are available for the Workstation 5 or 5A. o A Rear or Integrated version that physically attaches to the workstation through a cut-out in the IO door. Power and data are supplied through a IO panel connector, attached to system board connector J2. The Rear and Pole version share a common housing. The Workstation 5A version uses a bracket that is not physically compatible with the Workstation 4 and Workstation 4 LX. o A Pole Mount version that receives power and data from IO Panel connector CN3. When used with the Workstation 5A Stand, the pole is 6 and can be mounted to the left, right or rear of the stand. An 18 pole mounted to a counter surface is also available. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-27

152 Workstation 5A System Board Technical Overview Point Of Sale Interfaces Mag Stripe Reader Interface (REF: ABRF49 - Sheets 17, 19, 33) Figure 4-17 is a simplified block diagram of the Mag Stripe Interface. The MSR is assigned to COM6 from the Super IO. The three-track reader connects to CN13, an 8-pin modular connector mounted along the right side of the system board. The intelligent serial MSR operates at +3.3V voltage levels, which is incompatible with the +5V UARTs in SIO U22. This requires level shifter U28 to interface MSR TX/RX signals to the UART. DTR6# through inverter U76 supplies power to the MSR at CN13-4. The API can toggle DTR6# to effectively reset the Mag Stripe Reader. Figure 4-17: Workstation 5A System Board Magnetic Stripe Interface 4-28 Workstation 5 and 5A Field Service Guide - 3rd Edition

153 Workstation 5A System Board Technical Overview Point Of Sale Interfaces IDN Port (REF: ABRF49 - Sheets 30, 34, and 35) The IDN Port is a multi-purpose RS422/232 port based on an 8-Pin RJ-45 modular connector. This port is functionally identical to the RS422-A and RS422-B ports on the Workstation 4 and 4 LX, the PCWS 2010 COM4 IDN Port and the PCWS Eclipse IDN/LCC port. Figure 4-18, below displays a simplified diagram of the IDN portion of this interface. A logic diagram of the is also shown to point out how each device contains a transmitter and receiver with separate enables. The RS232 interface can be found on the next page. Figure 4-18: Workstation 5A System Board IDN Port Interface COM4 from SIO U22 is assigned to the IDN port. Several GPIO signals from SIO supply the logic control signals. IDN Transmit In the IDN Mode, U10 is the transmitter and U16 is the receiver. To transmit data, TRANSMIT_EN1 goes high, at U9B-6 enabling the DE input to U10. At the same time, transmitter in U16 is disabled by ANDing 422_MODE_1# at U9-12 with TRANSMIT_EN1 at U9-13, to produce a Low at U9-11. Transmit data from the UART, TXD4 is routed to the D input of U10 and U16. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-29

154 Workstation 5A System Board Technical Overview Point Of Sale Interfaces IDN Receive U16 is the receiver. 422_MODE_1 is set high at the RE# input of U10 to disable that receiver. At the same time, 422_MODE_1 is inverted by U4A, enabling the receiver in U16. IDN receive data is gated onto RXD_422# at U9-10, ANDed with 422_232_SEL_1 at U9-9, to produce RXD_422 at U9-8. Finally, RXD_422 is ORed with the inactive RXD_232 to produce RXD4 at U13-11 and fed to the SIO. RS422 Termination The RS422 transmit and receive pair is connected to the RS422 termination circuit. In general this circuit performs three important functions: o Provide the proper impedance matching to the communications cable. o Protect the transceivers from differential-mode transient voltages induced into the IDN cable. o Suppress RF emissions originating from the IDN circuitry. IDN Port RS232 Interface (ABRF49 - Sheets 30, 34, and 35) The primary function of the IDN port is to support MICROS IDN printing devices. However, through application software, the port can be configured to support a host of RS232 devices through a simple TX/RX interface. Figure 4-19, below isolates the RS232 section of the IDN Interface. Figure 4-19: Workstation 5A System Board IDN RS232 Port 4-30 Workstation 5 and 5A Field Service Guide - 3rd Edition

155 Workstation 5A System Board Technical Overview Point Of Sale Interfaces RS232 Transmit To transmit RS232 data, the API sets the 422_232_SEL_1 High pin to effectively disable U10 and U16. TXD4 from the SIO is routed through RS232 Line Driver/Receiver U44 to pin 6 of the modular IDN connector. RS232 Receive Incoming RS232 data is converted to TTL levels by line driver/receiver U44 and fed to U9-1 where it is ANDed with 422_232_SEL_1 to produce RXD_232 at OR gate U13. This disables the RS422 section and RS232 data appears at U13-11 where it is routed to the UART. COM5 Modular RS232 Port (REF: ABRF49 - Sheets 30 and 32) COM5 is an 8-pin modular RS232 port located on the WS5A IO Panel. TTL to RS232 Voltage translation is provided by U5, a GD75232 line driver/receiver. Internally, this device combines three drivers and five receivers from the industry standard 75188/75189 quadruple bipolar line drivers and receivers. The device packaging implements a flow through design to ease interconnection of the UART and serial port connector. Figure 4-20: COM 5 Modular RS232 Port Workstation 5 and 5A Field Service Guide - 3rd Edition 4-31

156 Workstation 5A System Board Technical Overview Point Of Sale Interfaces COM2 Modular RS232 Port (REF: ABRF49 - Sheet 30 and 32) COM2 is an 8-pin modular RS232 port located on the WS5A IO Panel. TTL to RS232 Voltage translation is provided by U7, a GD75232 line driver/receiver. Internally, this device combines three drivers and five receivers from the industry standard 75188/75189 quadruple bipolar line drivers and receivers. The device packaging implements a flow through design to ease interconnection of the UART and serial port connector. Figure 4-21: COM2 Modular RS232 Port COM1 DB9 Port (REF: ABRF49 - Sheets 30, 32) COM1 is an RS232 interface based on a DB9 connector and assigned to UART 1 in SIO U22. It is primarily used for printing applications. Figure 4-22: COM1 RS232 Interface - DB9M 4-32 Workstation 5 and 5A Field Service Guide - 3rd Edition

157 Workstation 5A System Board Technical Overview Point Of Sale Interfaces Cash Drawer Interface (REF: ABRF49 - Sheet 31) The system board supports two cash drawers /w standard 4-pin DIN connectors. The cash drawer interface is similar to the Workstation 4 LX system board. Active Low outputs from the CPLD, CD_OPEN_A# and CD_OPEN_B# are inverted by U4E and U4F before driving the CLK inputs of dual flip-flop U11. The pulse width at the output of each flip-flop is about 70ms, determined by the 1N4148 diodes, 1M resistors, and 0.1µf capacitors. CD_OPEN_A drives pin 1 of AND gate U6. The output, pin 4 drives the gate of Q2 a SI4410DY N-Channel enhancement mode field-effect transistor. CD_OPEN_B drives pin 1 of AND gate U3. The output, pin 4 drives the Gate of Q3 a SI4410DY N-Channel enhancement mode field-effect transistor. 1N4002 Diodes D6 and D7 protect each transistor from the back EMF created by the solenoid as the transistor switches off. The +12V supply, VCC12_PS conducts through D32 when the +24V circuit is not used through self-resetting fuse F4. If the +24V cash drawer setting in the BIOS is active, D32 isolates VCC12_PS. Cash Drawer Closed Detection Each drawer contains a SPST switch positioned to detect the drawer open/closed status. The interface is configured to provide a High on CD_ST_A or CD_ST_B at pin 4 of CN4 and CN5 when the drawer is open or not installed and a Low on the status line when the drawer is closed. R3 and R6 ensure each line is high if a drawer is not connected. +24V Regulator (REF: ABRF49 - Sheet 31 and 43) To support cash drawers with +24V solenoids, a +12V to +24V DC/DC Converter is located on the System Board. VCC12_PS is converted to +24V by U30, a LM2733 boost converter. The output of the converter, VCC24_PS is fed to a DC switch, Q46. The DC switch is controlled by CPLD signal CD_24V_CTRL The CD_24V_CTRL goes active when Cash Drawer Voltage field in the ODM menu in BIOS Setup is set to [24V]. Workstation 5 and 5A Field Service Guide - 3rd Edition 4-33

158 Workstation 5A System Board Technical Overview Point Of Sale Interfaces System Board Hardware Revision (REF: ABRF49 - Sheet 30) The Workstation API can determine the hardware revision of the System Board it is operating on. The WS5ADiagUtility uses the API to display the hardware revision as part of the System Information screen. Refer to schematic ABRF49-D, Sheet 30, Grid A5. The interface consists of four traces on the system board, REV0 - REV3, each connected to ground. The traces are located on the solder side of the board. For the Revision D board, both the REV0 and REV1 are cut and pulled high by R98 and R97, while REV2 and REV3 remain low. This yields a 4-bit value of 0011 and the Diagnostics utility shows Revision D Workstation 5 and 5A Field Service Guide - 3rd Edition

159 Chapter 5 Workstation 5A Troubleshooting This chapter is your guide to testing, repairing the Workstation 5A. For more information about troubleshooting the Workstation 5, see Chapter 3. In this chapter Introduction Operational Troubleshooting Checking the Power Supply and System Board Voltages Workstation Recovery and Platform Update Procedures LCD Display Related Touchscreen Related Local Area Network (LAN) Related Peripheral Related WS5A Diagnostic Workstation 5 and 5A Field Service Guide - 3rd Edition 5-1

160 Workstation 5A Troubleshooting Introduction Introduction This chapter contains the following sections. Operational Troubleshooting This section provides a detailed description of the Workstation 5A boot sequence for both the Windows Embedded CE and POSReady 2009 operating systems. To aid in troubleshooting, background information is provided for multiple boot configurations, pre-boot firmware applications, platform updates, and the Client Application Loader. Checking the Power Supply and System Board Voltages This section establishes the Standby and Working domain voltages, then goes on to show how to check these voltages on a unit that will not power-up. Workstation Recovery and Platform Update Procedures The methods available for restoring a Windows Embedded CE 6.0 or POSReady 2009 Workstation 5A are discussed in detail. LCD Display Related This section lists all display and display quality problems. In addition, jumper settings for the supported LCD panels are provided. Touchscreen Related This section provides information on touchscreen related issues including calibration. Local Area Network This section provides network related issues, how to interpret the LEDs in the Ethernet connector, etc. Peripheral Related This section covers the WS5AA POS interfaces including COM Ports, IDN, and Magnetic Stripe Reader. Diagnostic Overview This section covers the built-in diagnostic utilities provided with the Windows Embedded CE 6.0 and POSReady 2009 operating system configurations. For Windows Embedded CE 6.0 configurations, a description of each platform file is provided. 5-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

161 Workstation 5A Troubleshooting Operational Troubleshooting Operational Troubleshooting This chapter describes the Workstation 5A boot sequence, provides troubleshooting tips, voltage test points, and a POST error summary for the Workstation 5A System Board, ABRF89. Workstation 5A Boot Sequence The following is a detailed description of the Workstation 5A boot process that should assist in troubleshooting a unit that will not start. 1. Connect the AC Power Cable to the AC inlet at the rear of the Workstation. If available, connect the workstation to a LAN. Press and release the power button. The Operator LED should start flashing White once per second. Does the Operator LED start flashing White with the Power button is pressed? o If YES, proceed to Step 2. o If NO, see Checking the Power Supply on page The Operator LED should flash white, and at almost the same time, the LCD backlights should illuminate, followed by the a Blue BIOS splash screen with MICROS logo. Does the BIOS splash Screen appear on the LCD? o If YES, proceed to Step 3. o If NO, the Operator LED blinks four times per second. The LCD remains blank after 30 seconds, the beeper does not sound. o Possible missing, defective or improperly sized SO-DIMM see page o If NO, does the system board beeper sound more than once? This indicates a POST failure. See page 5-5 to check the default boot order. o If NO, but the Operator LED is solid White. This condition would be accompanied by other symptoms such as a blank screen, and no beeper. A solid White LED indicates that the processor is not running. Possible causes include: o Defective, corrupt or missing BIOS chip, U55. Install P/N or re-seat the device in the socket. If the symptoms remain, replace the system board. 3. What is the operating system, Windows CE or POSReady Each configuration displays different prompts as it boots. In particular, the Windows Embedded CE 6.0 configuration runs several custom pre-boot firmware applications that may produce a text message. o If Windows Embedded CE 6.0 is installed, see the next page. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-3

162 Workstation 5A Troubleshooting Operational Troubleshooting o If Windows POSReady or other WIN32 operating system is installed, see page Booting to Windows Embedded CE 6.0 The BIOS Splash screen remains visible for about 15 seconds. During this time, the BIOS initalizes hardware and performs a POST (Power On Self Test) of major system board components. The icons that appear in the lower left corner of the splash screen track the progress. If successful, the Blue splash screen clears and series of custom pre-boot Firmbase applications execute, each of which may display various text messages. See Figure 5-1. The first pre-boot application checks to ensure both CF Card and USB Hard Drive are installed. Both devices must be installed to support Windows Embedded CE. Next, the FlashCE pre-boot application executes. Pre-boot text messages for Windows CE Figure 5-1: Workstation 5A BIOS Splash Screen and Pre-boot Text Messages The text message shown above, NK.BIN not found on CF is not an error, but indicates that FlashCE did not find the NK.BIN file on the compact flash card (as part of an upgrade) and is continuing with the boot process. See page 5-12 for more information about how the Window CE pre-boot firmware applications interact with the CAL to perform platform updates and BIOS updates. Assuming there are no Platform updates in progress, when the pre-boot Firmbase applications complete, a series of dots progress from left to right across the screen for several lines, the screen clears and Windows CE starts, followed by the CAL and POS Application (if installed). 5-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

163 Workstation 5A Troubleshooting Operational Troubleshooting 4. Does the unit attempt to boot to Windows CE? o If YES, see page 5-9. o If NO - the unit produces a series of beeps see below. Five Beeps - CF Not Found o Incorrect boot configuration or corrupt CMOS memory. A CF card must be installed for Windows Embedded CE 6.0 unit. See below to Reset CMOS Defaults. o Check the Daughter Card CF socket for bent pins and make sure the CF Daughter Card is seated properly in the system board connector, IDE1. o Defective or incompatible CF Card. o Defective System Board. Six Beeps - USB Hard Drive Not Found o Make sure the USB hard drive is correctly oriented on the 2x5 socket, J9. See o Defective or missing USB hard drive. o Defective System Board. o Incorrect CMOS Configuration or corrupt CMOS - See below to Reset CMOS Defaults. If either POST error sounds, see below and check the factory boot order as described below. Checking the Default Boot Device BBS The Workstation 5A supports both the Windows Embedded CE 6.0 R3 and POSReady 2009 (BIOS Revision Q1000g or later). Each OS configuration requires a unique Boot Device Prioritization (BBS) list or it may produce POST errors and or fail to boot. In addition, there is a small but growing number of Workstation 5As with POSReady 2009 booting from a SATA HDD/SSD instead of the USB Hard Drive. For more information about booting to multiple devices, see page The BIOS boot defaults are set correctly when the workstation ships, but once in the field, the unit can be converted from one configuration to another, a SATA hard disk can be substituted for the USB Hard Drive, defaults set correctly, a CF Card borrowed etc. o o To check the boot order, start the workstation with a USB keyboard attached and press [Del] to enter the System Configuration Utility. Select the Boot tab to view the current boot order. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-5

164 Workstation 5A Troubleshooting Operational Troubleshooting o BIOS Version Q1000g, WINCE Factory Defaults configures the Boot Device Prioritization (BBS) as shown below. The pre-boot Firmbase POST checks for both the CF Card and the USB Hard Drive. Figure 5-2: Windows CE Boot Device Prioritization o The BIOS Version Q1000g WIN32 Factory Defaults BBS is shown below. In this configuration, the pre-boot Firmbase POST checks for the USB Hard Drive, but does not check for a CF Card. Figure 5-3: WIN32 Boot Device Prioritization BIOS Q1000g does not include a default configuration for a SATA SSD drive. On the following page, the WIN32 factory defaults have been modified for a SATA disk by setting the first device in the list to SATA Drive 0 If using a SSD, be sure to remove the USB Hard Drive from the BBS. The POSReady 2009 Recovery CF Card will produce an error message if both a SATA SSD and USB Hard Drive are installed at the same time. 5-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

165 Workstation 5A Troubleshooting Operational Troubleshooting o The Figure below displays the Boot Device Prioritization list when a SATA disk is installed. In this case, the custom pre-boot Firmbase POST skips both the USB Hard Drive and CF Card POST. Figure 5-4: WIN32 with a SATA HDD/SSD as the Boot Device If NO, the boot process halts and a blinking cursor appears in the upper corner of the screen, or various text messages appear, including UDOC.ID not found, Operating System Not Found, or Remove disks or other media. Press any key when ready, or similar. o Remove the USB Stick, Thumb or Flash Drive from the IO panel USB connector. If NO, the series of dots progressing from left to right across the screen stop, and the unit does not complete booting. The Operator LED continues to blink White, and the unit responds to the power button. o Improperly programmed, corrupt, or defective USB hard drive. Run Factory Restore. See page o Defective System Board. If NO, the series of dots progress across the screen for several lines, but the CE desktop fails to appear after about thirty seconds. The Operator LED continues to blink White. o Improperly programmed, corrupt, or defective USB Hard Drive. Run Factory Restore. See page o Incompatible CF Card. The Workstation 5A introduces support for DNA Enabled CF Cards. Should an older CF Riser Card (without DMA support) find it s way into a Workstation 5A and a DMA enabled CF Card is installed, the workstation may hang at start-up as it attempts to access the registry. See page 4-14 for more information on how to distinguish between DMA Enabled CF Riser Cards and their non-dma counterparts. CF cards formatted as FAT32 (partition type 0x0b) can also cause the unit to hang at start-up. For reliable operation, CF cards must be formatted as FAT16 with a partition type of 0x06. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-7

166 Workstation 5A Troubleshooting Operational Troubleshooting MICROS continuously certifies the industrial temperature grade DMA capable CF Cards installed in each unit. This type of card is often not available through retail channels. o Defective System Board. If NO, the unit does not boot to Windows CE for any reason. A USB keyboard is required for this procedure. o Clear the CMOS Memory and reset the BIOS Defaults. System Board Jumper J20 is used to clear CMOS memory. Note: clearing CMOS memory re-enables all IO Panel USB Ports. The CMOS Clear procedure can be found below. o o o o o Remove the AC power cable from the workstation. This required to remove all standby voltages from the ICH8M. Do not remove the battery. Locate J20. Move jumper from the Normal position (pins 1-2) to the CMOS Reset position (pins 2-3) for a few seconds, then return the jumper to the Normal position (pins 1-2). With a USB Keyboard attached, reconnect the AC Power cable and press the power button. Clearing the CMOS does not clear the date and time, but does cause the BIOS to default to the Windows Embedded CE 6.0 configuration. When the BIOS splash screen appears, press [Del] to enter CMOS Setup Main Menu. Proceed to the Exit Tab and select the correct defaults. o If the workstation is configured to run Windows Embedded CE 6.0, the factory defaults are set when the CMOS is cleared. A WS5A running Windows Embedded CE may use a 256MB USB Hard Drive (or larger), a single 256MB or 512MB DDR2 SO-DIMM, and a 256MB or 512MB DMA Enabled CF Card. There is also a Simphony Windows CE configuration that uses a 4GB DMA Enabled CF Card. If the unit is configured to run POSReady 2009, it will use a 4GB or 8GB USB Hard Drive and 1 or 2GB of DDR2 memory. CF Cards are optional. Select Reset Win32 Factory CMOS Defaults from the Exit Tab. If the unit is configured to run POSReady 2009 from a SATA disk, it replaces the USB Hard Drive as shown in Figure 5-4. CF Cards are optional. If the unit refuses to boot after performing the above procedure, the system board and or USB Hard Drive is defective. 5-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

167 Workstation 5A Troubleshooting Operational Troubleshooting Booting to the Windows Embedded CE 6.0 Desktop The Blue splash screen clears and the message Preparing Memory and Loading Windows CE followed by a series of dots (...) that progress from left to right across the screen for several lines. This indicates that Windows CE is starting to load. After several lines, the screen clears, then remains blank for several seconds before the Windows Embedded CE 6.0 desktop appears. Just after the desktop appears, the Operator LED should stop blinking and turn solid White. This indicates the Workstation 5A Application Programming Interface is installed. 5. Does the Workstation boot to Windows CE Desktop. o If YES, skip to Step 6. o If NO, and pre-boot text messages indicate that the NK.BIN is located CF card and updated each time the workstation boots, see below. Windows CE Platform Update Issues During Platform Updates, the CE Image file, NK.BIN is placed on the CF Card by the CAL and removed after the update is complete. The update also places a number of platform files on the USB Hard Drive. However, Windows CE Platform Updates can fail if AC power or network connectivity is lost. In most cases, the update will resume and complete when AC power or the network connection is restored. If the platform update does not resume, it can leave the NK.BIN file on the CF and the USB Hard Drive in non-usable state. Should the NK.BIN file remain on the CF Card after a failed update, the workstation will display a Please Wait - Updating Operating System each time the workstation starts. Should the QUNTICO.BIN file remain on the CF Card after a failed update, the BIOS update is performed one time. This is because Platform Update, the pre-boot application that updates the BIOS also writes a file to the CF with the current date when it flashes the BIOS the first time. When the Platform Update sends files to the USB Hard Disk is uses a renaming process to replace platform files on a live system. Should a platform update in progress be interrupted, Windows CE may boot, but not load the CAL and or platform files such API. In other cases, depending on what platform files are available, the workstation may fail to boot. In this case, the USB Hard Disk must be rebuilt or replaced. If the workstation boots to Windows CE, use the Wipe Compact Flash utility to format the CF card, then reconnect to the server and attempt the Platform Update again. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-9

168 Workstation 5A Troubleshooting Operational Troubleshooting 6. The Workstation 5A Boots to the Windows Embedded CE 6.0 desktop. The CAL starts and examines the registry to determine if a POS application is installed. If an application is installed, the CAL stays in the background and the application starts. If a POS application is not present, the CAL will display a User Interface and look for the CAL Server. o If the unit appears to boot, but exhibits display problems, see page o If the unit boots, but the touchscreen does not function or appears to be out of calibration, see page o If the unit boots, but does not connect to Ethernet, see page o If peripheral devices attached to the workstation do not function, see page Booting to POSReady 2009 After the Blue Splash screen clears, a Windows XP Startup screen and progress bar appear. When running WIN32 operating systems many of the pre-boot applications do not execute. 7. The Workstation 5A Boots to the POSReady 2009 desktop. o If the unit fails to boot or boots to POSReady but immediately restarts, see page o If the unit appears to boot, but exhibits display problems, see page o If the unit boots to the desktop, but the touchscreen does not function or appears to be out of calibration, see page o If the peripheral devices attached to the workstation do not function, see page o If the Ethernet Port does not appear to function, see page Workstation 5 and 5A Field Service Guide - 3rd Edition

169 Workstation 5A Troubleshooting Operational Troubleshooting Background Information To assist in troubleshooting, the following pages provide background information on how the Workstation 5A handles multiple operating system configurations, describes the pre-boot firmware applications activity do and more information about platform updates. Multiple Boot Configurations The Workstation 5A currently supports Windows Embedded CE 6.0 and POSReady This is handled through factory default boot settings in the BIOS. If the factory defaults do not match the hardware configuration, the unit may produce POST errors and fail to start. Windows Embedded CE 6.0 The Workstation 5A supports two Windows Embedded CE 6.0 configurations, with the only difference being the size of the CF Card. The Workstation 5A running Windows Embedded CE 6.0 configurations started shipping with a DMA Enabled 256MB CF card, 256MB USB Hard Drive, and 256MB of DDR2 Memory. This configuration is now a DMA Enabled 512M CF Card, 512M USB Hard Drive, and 512MB of DDR2 Memory. A Windows Embedded CE 6.0 configuration for Simphony uses a 4GB CF Card. In any case, the CF Card, USB Hard Drive, and DDR2 SO-DIMM) must be installed, or the unit will not boot. From the Exit tab of the BIOS, hit the Reload WINCE Factory CMOS Defaults and press Y to continue. The WINCE Factory CMOS Defaults invoke a pre-boot POST to ensure the CF Card and USB Hard Drive are installed. Setting the WINCE factory defaults put Boot Windows CE Image first in the boot device prioritization list followed by the USB Hard Drive and CF card. The Personality Module field in the ODM Tab is set to CF to specify the location of the registry. o For example, if the unit is configured to run Windows Embedded CE 6.0, but the factory CMOS defaults are set to Win32 the unit will fail to boot because the statement Boot Windows CE Image is not first in the Boot Device Prioritization list. POSReady 2009 (USB Hard Drive) The POSReady 2009 configuration uses a 4GB and later 8GB USB Hard Drive, and 1GB of DDR2 memory A CF Card is not required, but can be installed for additional storage. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-11

170 Workstation 5A Troubleshooting Operational Troubleshooting Setting the Win32 Factory CMOS defaults changes the Personality Module field in the ODM tab to USB Hard Drive, and skips the pre-boot POST for the CF card. This does not prevent the a CF Card from appearing as a removable mass storage device after POSReady 2009 starts. The Boot Method field is set to Boot Sector. o If the unit is configured to run POSReady 2009, but the defaults are set to Windows Embedded CE 6.0, the unit will produce a POST error and fail to boot if a CF card is not installed. POSReady 2009 (SATA SSD) Although not directly supported by BIOS Version Q1000g, the CMOS boot defaults, the WS5A is capable of running a single 2 1/2 laptop compatible HDD/SSD within the casework. MD describes the physical installation of the drive. When using a single SATA disk, the Boot Device Prioritization list must be set manually as described. However, new BIOS Versions Q2010g and Q2011e include WIN32 defaults for booting to a USB Hard Drive or Solid State Hard Drive. Platform Updates Platform Updates apply to Workstation 5As running Windows Embedded CE. The updates are performed by the combination of the pre-boot firmware applications resident on each workstation and the Windows CE version of the CAL. The CAL moves platform files from the server to the USB Hard Drive and the Windows CE and BIOS binary image files to the CF Card, and removes all files once the update completes. The following scenario applies to a workstation running Windows Embedded CE 6.0. The sequence of events may vary. In some cases the BIOS may be updated before the Windows Embedded CE 6.0 image. The Workstation 5A Platform Update is downloaded from the MICROS hardware portal and installed on the Application server. The platform update file stops the CAL service, copies updated platform files to the correct CAL Server folders, then restarts the CAL service. The update is triggered by a file called PLATFORM.DAT. This text file resides on the server and all client workstations, and contains the current versions of the CAL client, Windows CE, Platform Files and BIOS. A platform update obtained from the HSG portal will include a new PLATFORM.DAT file that specifies the components to update. After the CAL service restarts, it determines that the PLATFORM.DAT file on the server is newer than those on the client terminals and the specified updates start propagating to the workstations Workstation 5 and 5A Field Service Guide - 3rd Edition

171 Workstation 5A Troubleshooting Operational Troubleshooting If a newer version of CAL client is part of the platform update, it will be transferred to the workstation first and the unit restarted. Windows CE starts, the CAL resumes and copies platform files and folders directly to the USB Hard Drive (\DOC), then copies the NK.BIN file to the CF card before restarting the unit. When copying platform files from the server to the USB Hard Drive, the CAL script renames all files to new extensions. One example of this is WS5A.DLL, the WS5A WINCE API. If one attempts to simply copy over this file while the system is live, a file sharing violation will occur. However, you can rename a.dll file on a live system without causing errors, so the CAL script copies the new file as WS5A.DLLn, renames the existing file to WS5A.DLLo, then renames WS5A.DLLn to WS5A.DLL. The renaming process is repeated for virtually all files in the \DOC folder and sub-folders. Also during this phase, the CAL script uses the regedit.exe utility to extracting CAL, network, and WiFi related keys from the registry and placing them in a temporary file. If an application is installed, other registry settings related to the application are preserved as well. The unit restarts and a pre-boot firmware application called FlashCE detects the NK.BIN file on the CF replacing the NK.BIN file in the hidden boot partition. During this time, the message Updating Operating System - Please Wait... appears on the LCD before the unit starts. The new NK.BIN image starts, the CAL resumes and immediately deletes the NK.BIN file from the CF card. The CAL then enters a clean-up phase, restoring the preserved registry keys and removing the n and o files from the USB Hard Drive before another reboot occurs. If a BIOS upgrade is not included in the platform upgrade, the unit boots to to Windows Embedded CE 6.0 and is ready to receive an application through the CAL. If a BIOS update is included, the CAL script copies the binary QUNTICO.BIN file along with several support files to the CF card, then restarts the workstation. A pre-boot firmware application called the Platform Update Facility detects the QUNTICO.BIN file, performs file size and checksum tests on the binary file, and if successful, programs the system board BIOS chip. The message Updating the BIOS - Please do not Remove Power, during this time. When the BIOS update completes, the unit re-starts once again. When the operating system starts, the CAL resumes and deletes the BIOS binary and support files from the CF Card. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-13

172 Workstation 5A Troubleshooting Operational Troubleshooting The above example is a full platform update scenario. Because the CAL is script driven, and the PLATFORM.DAT file can specify individual components to update, many variations are possible. A Hotfix mode is also available that can replace a single file (a DLL file for example) or group of files to the workstation. MICROS POS applications are downloaded using a CAL script associated with the application. CAL32 The POSReady 2009 configuration optionally runs a 32-Bit version of the CAL called CAL32. It does not currently perform platform updates. However since a typical POSReady 2009 image is several gigabytes, Platform Updates and the WINCE Factory Restore feature are not supported. Currently, WIN32 CAL is supplied on the POSReady 2009 Factory image but must be installed by the user Workstation 5 and 5A Field Service Guide - 3rd Edition

173 Workstation 5A Troubleshooting Checking the Power Supply and System Board Voltages Checking the Power Supply and System Board Voltages This section checks the power supply and system board voltages on the WS5A System Board, ABRF49-D. WS5A System Board - Standby Voltages The Standby voltages are always present as long as the workstation is connected to an AC power source. Refer to Figure 5-5 and the procedure on the next page to check the Standby voltages in the proper sequence. CAUTION: DOUBLE POLE/NEUTRAL FILTERING The Workstation 5A Power Supply contains a permanently connected fuse in the neutral line. After fuse operation, parts of the power supply remain energized and present a shock hazard as long as the AC Power Cord is connected. Always disconnect the AC Power Cord before disassembling the unit for configuration or service. Figure 5-5: Checking the WS5A System Board Standby Voltages Workstation 5 and 5A Field Service Guide - 3rd Edition 5-15

174 Workstation 5A Troubleshooting Checking the Power Supply and System Board Voltages 1. Start with the +12V output from the power supply at J29. Figure 5-5 above. o o If +12V is not available at J29, remove the AC power cable, then remove the power supply and check fuses F1 and F2, located on either side of the AC input connector. o If either fuse is open, replace the power supply. If the fuses check out, but +12V is not available at J29, remove the AC power cable from the unit and inspect the AC input wiring from the AC input receptacle to the power supply AC input. o If the input wiring and fuse are OK, but +12V does not appear at J29, replace the Power Supply. 2. If +12V is available at J29, check the primary standby voltages listed below. Figure 5-5, above. o o WARNING: SHOCK HAZARD To conduct the followings tests, the AC Power Cable must be connected to the unit. Avoid touching any power supply component including the heatsink(s) as long as the AC Power Cable is attached to the unit. Check VCC5_PS_STBY at the Drain of Q24. Should be +5V. Check VCC3P3_STBY at the Drain of Q22. Should be +3.3V. o If +12V is available from the Power Supply but one or more standby voltages are missing, this could be a defective U48. Replace the System Board. If the +5V and +3.3V Standby voltages are present, but the board will not start when you press the power button, see the next page Workstation 5 and 5A Field Service Guide - 3rd Edition

175 Workstation 5A Troubleshooting Checking the Power Supply and System Board Voltages WS5A System Board - Working Voltages On a unit where the Standby voltages are present, but fails to respond to the power button, this section checks the Working voltages as outlined in Figure 5-6, below and the following text. Figure 5-6: Checking the System Board Working Voltages The signals ICH_SLP_S3_N and STBY_PWROK are combined at U52 to enable the primary working voltages of VCC3P3_PS (+3.3V), VCC5_PS (+5V), VCC12_PS (+12V). All other working voltages are derived from the primary voltages. ICH_SLP_S3_N originates from the ICH8M and is used to wake-up the system from the S5 state when the power button is pressed. STBY_PWROK originates from standby power regulator U48 to indicate that the two primary standby voltages VCC3P3_STBY (+3.3V), and VCC5_PS_STBY (+5V) are available and checked in the previous procedure. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-17

176 Workstation 5A Troubleshooting Checking the Power Supply and System Board Voltages With the AC power cable connected, press the power button and check the following. 1. When you press the power button, ICH_SLP_S3_N at U52-1 should go low. STBY_PWROK should be high, indicating the Standby voltages are available. 2. Check the working voltages at the following locations. o o o WARNING: SHOCK HAZARD To conduct the followings tests, the AC Power Cable must be connected to the unit. Avoid touching any power supply component including the heatsink(s) as long as the AC Power Cable is attached to the unit. VCC5_PS at Q29-Source. VCC12_PS at Q30-Drain. VCC3P3_PS at Q27-Source. o If any working voltage is missing, replace the system board Workstation 5 and 5A Field Service Guide - 3rd Edition

177 Workstation 5A Troubleshooting Workstation Recovery and Platform Update Procedures Workstation Recovery and Platform Update Procedures There are several methods of restoring the Workstation 5A based on the operating system used. Windows Embedded CE 6.0 After replacing the USB Hard Drive and Compact Flash Card, or should the CF card file system become corrupt, the workstation can be restored in one of several ways. You can also use one of the following methods of clearing the CF card to simply switch between one client application or another. Using WCF If the WS5A can boot to Windows CE, the Wipe Compact Flash (WCF) Utility can be used. This program is located in the \DOC\ Utilities folder. WCF powers off the unit after completing the operation. o o WCF starts with a warning about clearing the Compact Flash Card. Press [YES] to continue. WCF Version 6.0 presents three options: o Clear All Registry Settings erases the registry files only. All other files remain. o Erase Compact Flash erases all files on the CF card including SAR files and e7 totals files. o Format Compact Flash does just that. It formats the CF Card File Allocation table, clearing all files (and possible corruption) from the card. The CF Card File system (FAT) in Windows Embedded CE 6.0 can over time become corrupt. CF Card file system corruption is defined as inaccurate File Allocation Table (FAT) data that can result in files or folders that are stored or read incorrectly. The amount of corruption and the symptoms it causes varies. Should corruption of the CF file system occur, it can only be removed through formatting. Using the WCF Utility to Erase Compact Flash may temporary resolve the corruption related symptoms, but this does not remove corruption from the FAT and symptoms may return. After completing the command, WCF will turn off the workstation. When the OS starts, it finds that the CF card does not contain a registry hive, forcing it to use the default registry from the operating system image. The default registry always starts the CAL so it can assist in locating an application. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-19

178 Workstation 5A Troubleshooting Workstation Recovery and Platform Update Procedures Using the CAL to Configure a CE Workstation The Client Application Loader is part of the WS5A CE Platform software that ships with each unit. The CAL Server is distributed with and installed by POS application software. A registry setting ensures the CAL client starts each time the operating system starts. Windows Embedded CE 6.0 clients use the CAL, and POSReady 2009 based workstation includes CAL32 for the WIN32 environment. However CAL32 does not start automatically and must be installed by the user. When the CAL starts, it examines the registry to determine if it has already configured the workstation. When the CAL connects to an application server and downloads an application, it saves network, server and application related data in the workstation s registry. This allows the CAL to quickly determine that an application is installed, remain in the background, and allow the POS Application to start. When WCF is used to delete the registry or format the entire card, this removes all the data placed there by the CAL, so the next time the CAL starts and examines the registry and determines the workstation is out-of-the-box new. When the CAL determines the WS5A is not configured, or if you use the Reconfigure CAL shortcut, it presents the MICROS CAL Busy... Obtaining a List of Available Servers window. After the CAL collects the responding server, it presents the MICROS CAL Select Server window. This window displays a list of responding CAL severs along with the POS application type. The CAL downloads the POS Application When a server is selected, the CAL presents a list of workstations, pre-programmed in the database of the application. When a workstation is selected from the list, the CAL downloads the POS application and support files, then updates the registry. Stand-alone CAL For a Workstation 5A running the e7 application in stand-alone mode (no server), a modified version of the CAL script is used to load the application from a USB thumb drive attached to an IO panel connector Workstation 5 and 5A Field Service Guide - 3rd Edition

179 Workstation 5A Troubleshooting Workstation Recovery and Platform Update Procedures Using Windows CE Factory Restore For Windows Embedded CE 6.0 configurations, a custom pre-boot firmware application we call Windows CE Factory Restore is available. This is a new tool designed to ease depot maintenance. Should the OS image or platform files become corrupt and prevent the unit from booting, Factory Restore replaces all files on USB Hard Drive and erases the CF Card, returning the unit to the out of box factory condition. To understand how Factory Restore functions, refer to Figure 5-7, below and examine how the USB Hard Drive is partitioned. Figure 5-7: USB Hard Drive Partitions Starting at the left, Partition 1 is the hidden boot partition, containing the Windows Embedded CE 6.0 binary file NK.BIN. Partition 2 is also hidden and contains the factory restore files. This includes a duplicate set of platform files, configuration files and folders, utilities and the NK.BIN file. Partition 3 is visible and appears as \DOC in My Devices. Figure 5-8 illustrates how Windows Embedded CE 6.0 Factory Restore copies the image file and platform files to the correct partitions. Figure 5-8: Windows CE Factory Restore Operation NK.BIN is copied from Partition 2 to Partition 1, the boot partition. Platform files and folders are copied from Partition 2 to Partition 3, the \DOC folder. Finally, WCF is used to remove all files from the CF Card. Included in the \DOC folder is the FACRECOV.DAT file. When the unit is shipped, this file contains the GR version of the recovery files. Each time the Factory Restore feature is used, the time and date are appended to the file. The contents of this file can be viewed with the DiagUtility by pressing the [Recovery Image Info] button located on the System Information Screen. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-21

180 Workstation 5A Troubleshooting Workstation Recovery and Platform Update Procedures After the unit is placed in the field, subsequent Platform Updates may occur. Currently, when a Platform Update is performed, it updates the files in Partition 1 and Partition 3, but not Partition 2, the factory restore partition. This can result in one or more files in the recovery partition becoming out-of-date. However, since the primary goal of Factory Restore is to repair a workstation that previously did not boot, the unit can now be pointed to the POS application server to obtain the application and or platform file updates, if available. WINCE Factory Restore Procedure The Workstation 5A introduces a recovery button located on the bottom of the case that can be used to initiate a Factory Restore. The recovery button can be activated when the workstation is operating or when it is powered down, but the AC power cable must be connected to an AC source. WARNING Windows CE Factory Restore deletes all files from the Compact Flash Card. If required, take steps to preserve files on the CF card before running factory restore. 1. Use a paper clip or other object to press the recovery button. The AC Power Cable must remain connected to the workstation in order to detect the Recovery Button operation. Figure 5-9: WS5A Recovery Button Location 2. Press the power button to start the workstation. o The workstation starts and prompts Factory Restore in Progress - Please Wait Workstation 5 and 5A Field Service Guide - 3rd Edition

181 Workstation 5A Troubleshooting Workstation Recovery and Platform Update Procedures 3. When the process is complete, the workstation restarts. Connect the workstation to the POS application server of your choice to receive the application and updated platform files (if required). POSReady 2009 Recovery CF For POSReady 2009, the optional POSReady 2009 WS5A Recovery Kit, P/N The kit includes a 4G Compact Flash Card with factory image and MD documentation. The documentation describes how to substitute a custom image if required. The Recovery CF can be initiated with the Recovery Button shown in Figure 5-9. A keyboard is not required to activate recovery, but may be required when setting up the new image. Please note that the Recovery CF expects to see a single boot device - either a USB Hard Drive or SATA HDD/SSD. If both are installed, an error will occur. 1. Power off the workstation using the power button. The AC Power Cable must remain connected to the workstation to detect the recovery button usage. 2. Remove any USB Thumb Drives or Sticks from the IO Panel USB connectors. 3. Use a paper clip or other object to press the recovery button. The AC Power Cable must be connected to an AC source. 4. Remove the CF Card Cover and install the Recovery CF Card. 5. Power up. o o When you press the Recovery Button (with the power cable connected), the next time the workstation starts, the BIOS detects the recovery button press and moves the Recovery CF to the front of the Boot Device Priority field. The workstation boots from the Recovery CF, transfers the image to the boot device (SATA Disk or USB Hard Drive), and after rebooting a second time, restores the boot device priority list to the previous configuration. Updated BIOS Versions may request a login or password. The latest Workstation 5A Setup Guide contains more information about Factory Restore and the POSReady 2009 Recovery CF. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-23

182 Workstation 5A Troubleshooting SO-DIMM Related SO-DIMM Related This section revisits Workstation 5A SO-DIMM configuration and describes symptoms that may occur if the total memory capacity can be exceeded. The Atom Pineview M processor on the Workstation 5A system board supports a total 2GB max. The 2GB must be composed of 2 x 1GB devices. Avoid using non-approved 2GB SO-DIMMs. However, keep in mind that should an approved SO-DIMM or System Board memory controller fail, it could exhibit any of the symptoms below. For POSReady 2009, a 2GB system is shipped with 2 x 1GB SO-DIMMs installed in SO-DIMM1 and SO-DIMM2. Internal testing of Unigen and Transcend 2GB SO-DIMMs has shown that attempting to substitute these devices for 2 x 1GB can cause the following symptoms. 2GB SO-DIMMs are not recommended. If 2 x 2GB devices are installed, the following symptoms may be observed. o System Board may fail to start. LCD is dark. Operator LED does not blink. If 1 x 2GB devices are installed, the following symptoms may be observed. o o May fail to boot on every other restart - occasionally a BSOD may appear briefly during a failure. Continuous reboots. The workstation displays the windows splash screen and progress bar, but before it can reach the desktop unit restarts and enters restart loop, displaying the BIOS splash screen and widows progress bar each time. Windows Embedded CE ships with a single 512MB SO-DIMM. Windows Embedded CE 6.0 images for the WS5A are configured to use 512MB maximum. No matter how much memory is installed, the Windows Embedded CE 6.0 image uses only 512MB Workstation 5 and 5A Field Service Guide - 3rd Edition

183 Workstation 5A Troubleshooting LCD Display Related LCD Display Related This section lists LCD display related issues. First, the blank or dark display issues are addressed, the we move on to situations where the display is functional, but experiences visual problems. Let s define the terms Dark LCD and Blank LCD, used throughout this section. Dark LCD indicates that the LCD backlights do not turn on. Any text or graphics would not be visible under normal lighting conditions. Blank LCD indicates that the LCD backlights are on, but no text or graphics appear on the screen. In other words there is no video data to display. Dark LCD (No Backlight) Symptoms: The backlights are off, but the unit appears to boot normally (the unit produces a single beep to indicate a successful POST, the Operator LED turns solid White to indicate the unit booted to the operating system). Defective Backlight Inverter Board. Loose or damaged Backlight Inverter Cable. Check Backlight Supply Voltage (VCC_BL) through F1 and FB19 to J1-4 and 5. Should be +12V. Defective System Board. Blank LCD (No Video) Symptoms: The backlights are on (the LCD is white), the unit appears to boot normally (the unit produces a single beep, the Operator LED is flashing White), then turns solid White after some period of time to indicate the workstation booted to the OS. No video appears on the LCD. Loose or defective LCD cable. Defective System Board. No Power to LCD Panel. o Check LCD Supply Voltage (VCC_LCD) at J6-1, 2. Should be +3.3V. If 0V, check Q7 and Q6. Flickering LCD Symptoms: The flickering may be seen during the Blue splash screen or after the workstation boots. Disconnected backlight tube(s), or bent/corroded pins on the inverter connector(s). Workstation 5 and 5A Field Service Guide - 3rd Edition 5-25

184 Workstation 5A Troubleshooting LCD Display Related Defective Backlight Inverter Board. Defective or old backlight tube(s). LCD Backlight too Dim Symptoms: The backlight(s) are very DIM at power-up and do not improve over time as the operating temperature rises. Disconnected backlight tube(s) or bent pins on the inverter connector(s). Defective Backlight Inverter Board. Incorrect LCD Jumper setting. See below. Defective or old backlight tube(s). LCD Image Problem Symptoms: The BIOS Splash Screen appears but contains no color and text is very fuzzy. When the OS boots, the screen appears very dim. Loose cable connection between the system board and LCD panel. Damaged cable - missing one or more conductors. Incorrect LCD Jumper Configuration. Determine if the LCD is Sharp or AUO and set the jumper - See below. LCD Quality Problems Symptoms: The LCD exhibits tearing, loss of vertical or horizontal sync, flashing colors. Loose cable connection between the system board and LCD. Damaged cable - one or more missing conductors or damaged connector body. Defective LCD Panel. Configuring the LCD Jumpers A total of three jumpers define the LCD panel. Two jumpers are located on the Backlight Inverter Board to select the LCD Panel Type. The third jumper, J5 configures the TFT_PANEL_MODE signal on Pin-20 of the interface connector J21. J5 is located just behind the Mag Stripe Reader connector. For the original Sharp LCD, a jumper is installed between pins 1 and 2 of J5 in order to pull TFT_PANEL_MODE high. If this jumper is not installed, or set to pins 2-3, the Sharp CCFL LCD malfunctions, but sustains no permanent damage Workstation 5 and 5A Field Service Guide - 3rd Edition

185 Workstation 5A Troubleshooting LCD Display Related Figure 5-10, below shows the Backlight Inverter jumper settings for the Sharp LG45 and AUO XG03 15 LCD Panels. Note that the these jumpers are not used by POSReady Sharp LG45 AUO XG03 Figure 5-10: Configuring the LCD Panel Jumpers for Sharp or AUO The AUO XG03 LCD Panel with CCFL backlights is currently in production. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-27

186 Workstation 5A Troubleshooting Touchscreen Related Touchscreen Related This section includes several touchscreen related symptoms and applies only to the ABRF89 (Workstation 5A) system board. Touchscreen Not Responding after the Operating System Starts Symptoms: The Workstation 5A starts Windows Embedded CE 6.0, but the touchscreen does not respond. No error messages are reported. Restart the Workstation. Do not touch the screen until after the unit boots to the CE Desktop. If the touchscreen does not function after allowing the system to boot without touching the screen, see below. o Defective, damaged, or pinched interface cable. Check the cable at the point where it mounts to the glass surface. o Defective touchscreen controller U35. o Damaged EMI Protection Circuit - Check EMI components. Touchscreen Calibration Symptoms: After booting, touches appear on the screen, but the calibration is such that you cannot access the desktop calibration icon. Defective, damaged, or pinched interface cable. Check the cable at the point where it mounts to the glass surface. Connect a USB Keyboard/Mouse combo and start the calibration utility from the desktop or control panel. o Run through the calibration procedure, touching and holding each target, and releasing when prompted. If touchscreen calibration is not acceptable after completing the procedure, see below. Defective Touchscreen glass. Incorrect configuration jumper settings. o The Workstation 5A supports a Capacitive Touchscreen, but as of July 2011 this option has not entered production. If the configuration jumpers are missing or set incorrectly, the symptoms may appear as a calibration issue instead of a no response to touch. message. Refer to Figure 5-11 to make sure the jumpers are set correctly. Note that Pin 1 of the jumper block faces the IO Panel Workstation 5 and 5A Field Service Guide - 3rd Edition

187 Workstation 5A Troubleshooting Touchscreen Related Figure 5-11: Resistive/Capacitive Touchscreen Configuration Jumpers False Touches Symptoms: The cursor may jump to random locations or to the same location without touching the screen. The cursor may also jump to a different location than where you touch. Damaged touch surface. Look for obvious gouging caused by objects dropped on the screen. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-29

188 Workstation 5A Troubleshooting Local Area Network (LAN) Related Local Area Network (LAN) Related Workstation 5A Does Not Connect to the LAN Symptoms: The workstation is connected to the server via the LAN, but communications can not be established. The RJ-45 LAN connector on the rear panel includes a pair of LEDs to assist with basic LAN connectivity troubleshooting, shown in Figure 5-12 below. Figure 5-12: Workstation 5A LAN Indicator LEDs The following discussion applies only to a Workstation 5A running Windows Embedded CE 6.0. LED1 combines both the link and connection speed functions in a single device. When LED1 is illuminated, this indicates a valid link while the color indicates the connection speed. The connection speed is automatically negotiated when the cable is connected. However, this does not mean the Workstation will actually be able to communicate with the server. This is because the link LED operates at the physical layer of the network, and does not require an operating system, network drivers, or TCP/IP address to function. As long as power is applied, the Ethernet controller in the hub or switch produces Link Beat Pulses that are detected by the Ethernet controller in the WS5A causing it to illuminate the appropriate Link LED. Likewise, the Ethernet controller in the WS5A is producing the Link Beat Pulses which are picked up by the Ethernet Controller in the hub or switch, causing it to illuminate its Link LED. WS5A will not Connect to LAN (Link LED OFF) Symptoms: When the WS5A is connected to the LAN, but LED1 or LED2 do not illuminate. In the OS, the system tray network icon (next to the clock) displays a Red X. Note: the Link LEDs do not function when POSReady 2009 is installed Workstation 5 and 5A Field Service Guide - 3rd Edition

189 Workstation 5A Troubleshooting Local Area Network (LAN) Related Mis-wired network connector at the workstation or network device wall plate. (this is more likely in a new installation). Disconnected or defective or damaged patch cable at the WS5A or network device. Defective or damaged in-wall cabling between the WS5A and other network device. Defective or non-powered network device. (For example, the WS5A is connected to a network switch, but the device is not powered). WS5A will not Connect to LAN (Link LED ON) Symptoms: When the WS5A is connected to a LAN, the Link LED illuminates, but the unit cannot connect to a server. The WS5A may need to use DHCP, but a static IP address is assigned. Moving a workstation between various POS Applications can cause this to occur. MICROS and third party applications use different methods of assigning an IP address to the WS5A. Some POS applications may require that the WS5A obtain the IP address via DHCP, while others may require the WS5A be assigned a static IP addressees in the x.x range. o o o o To configure the workstation for DCHP or Static IP, from the desktop, press Start - Settings - Network and Dial-Up Connections. Touch the PCI-RTCENIC1 icon twice. In the IP address tab, make the selection between DHCP or Static IP and enter a static IP address suitable for the site (normally in the x.x range) if required. Restart the WS5A after making changes to network settings. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-31

190 Workstation 5A Troubleshooting Peripheral Related Peripheral Related IDN Port COM4 (RS422) Does Not Function Symptoms: When using the IDN Print test, or attempting print from the application, the IDN printer does not print or prints erratically. In other cases, printing may occur, but the application does not receive confirmation. The following assumes you are working with a patch cable and IDN printing device that is known to be functional. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. If necessary, carefully move the pins into the correct position. Defective interface or termination circuit. o Transceivers U10 (TX) and U16 (RX). o IDN/RS232 Select Logic. U4, U9, U13. o SIO - U22. o Damaged/Defective RS422 Termination Components. Fuses F2, F3, F5, and F7. Clamping diodes D9, D10, D11, D13. Resistors R493, R494, R498, R496, R492, R504, and R499. Defective or damaged printer IDN Module. o Substitute the IDN module. IDN Port COM4 (RS232) Peripheral Device Does Not Function Symptom: An RS232 peripheral connected to the IDN Port does not function. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. Carefully move the pins into the correct position if necessary. Defective RS232 Line Driver/Receiver. o U44. Defective IDN/RS232 Select Logic. o U4, U Workstation 5 and 5A Field Service Guide - 3rd Edition

191 Workstation 5A Troubleshooting Peripheral Related COM5 RS232 Port Symptom: An RS232 peripheral connected to this modular COM port does not function. Examine the 8-Pin modular connector looking for pins that may be pushed out of position. Carefully move the pins into the correct position if necessary. Defective Interface Circuit o RS232 Line Driver/Receiver U5. o Super IO U22. COM1 RS232 Port Symptoms: An RS232 peripheral connected to this DB9 COM port does not function. Defective Cable. Defective Interface. o RS232 Line Driver/Receiver U2. o Super IO U22. Mag Stripe Reader Interface Symptoms: The Internal Mag Stripe Reader does not function in the Diagnostic Utility or Application. Mag Card Reader Connector not attached to CN13 or damaged connector. Mag Stripe Card Reader Cable pinched or damaged. Defective Mag Stripe Reader Assembly. Defective System Board Interface Circuit. o Level Shifter U28 and Inverter U76. o Super IO U22. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-33

192 Workstation 5A Troubleshooting Peripheral Related Customer Display Interface Symptoms: The Integrated or Pole Customer Display does not function. The unit should auto-detect the LCD customer display or IEE 2x20 VFD customer display at power-up. If a customer display is not detected after several power-up cycles, you can check the following. Internal customer display cable disconnected from J2 or IO panel connector damaged. Damaged Pole Customer Display Connector CN3. No Power to Customer Display Connector. o Make sure +5V appears at J2-1. If not, check voltage switch Q9, Q8 and F6. Defective Interface circuit. o Multiplexer U10, NOR Gate U4A and U4C, and Level Shifter U Workstation 5 and 5A Field Service Guide - 3rd Edition

193 Workstation 5A Troubleshooting Mechanical Related Mechanical Related Power Button Sticks Symptoms: The power button actuator becomes recessed in the case. The workstation does not change states when the power button is pressed. Power Button Actuator can become dislodged, normally through excessive force on the button. The actuator remains recessed in the base and cannot actuate the power button. In most cases, the actuator is not permanently damaged. o Refer to Chapter 3 and remove the top cover and the LCD/Touchscreen assembly to access the power button actuator. o Remove the Power Button Actuator by removing the single mounting screw. o Loosen the System Board fasteners mounting hardware and move the board towards the front of the chassis. o Reinstall the Power Button Actuator, install the shoulder screw and tighten. The tip of the power button actuator should just touch the system board switch as shown below. Secure the system board fasteners. Figure 5-13: Power Button Actuator Alignment Workstation 5 and 5A Field Service Guide - 3rd Edition 5-35

194 Workstation 5A Troubleshooting WS5A Diagnostic WS5A Diagnostic The Workstation 5A includes a diagnostic utility as part of the platform software. Windows Embedded CE 6.0 For Windows Embedded CE 6.0 units, the WS5ADiagUtility is provided. This utility is based on the WS4 DiagUtility found in the original Workstation 5 and updated to run on the Workstation 5A. POSReady 2009 POSReady 2009 (or other WIN32) configurations run a modified version of PCWS Utility that can be accessed from a desktop icon. This utility is a direct descendant of the PCWS 2010 Diagnostic Utility, but updated to run on the Workstation 5A hardware. Each utility provides a great deal of information about the hardware and software components of the WS5A platform and includes tests of the point-of-sale interfaces and supported printers. To run the Windows Embedded CE 6.0 diagnostic, see below. To run the POSReady 2009 version of the Diagnostic Utility, see page Starting the WS5A Diagnostics Utility 1. From the CE Desktop, touch the My Computer icon twice. 2. Touch the \DOC icon twice. 3. Touch the Utilities folder twice. 4. Touch the WS5A Diagnostics Utility icon twice to start the utility. When WS5A Diagnostics Utility starts, it displays the System Information screen - a summary of the hardware and software components that make up the Workstation 5A CE Client. In the following pages, we ll break this screen down into individual hardware and software components, and provide a brief description of each Workstation 5 and 5A Field Service Guide - 3rd Edition

195 Workstation 5A Troubleshooting WS5A Diagnostic System Information Screen - Hardware Components When you start the Diagnostics Utility, it displays the System Information screen. This screen combines the WS5A hardware and Windows Embedded CE 6.0 software components into a single location. In Figure 5-14, below, the hardware information is highlighted. The Workstation 5A in this example contains the Workstation 5A Revision D System Board with the GR 1.2 platform software. Figure 5-14: WS5ADiagUtility - Hardware Platform A brief description of each hardware component follows. Diagnostic Version Displays the current WS5ADiagnosticsUtility Version number. Workstation Model This field identifies the unit as a Workstation 5A. Hardware Revision This field displays the WS5A System Board hardware revision. It is read directly from the board revision jumpers through the API. System Board Revisions of D and F may be observed. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-37

196 Workstation 5A Troubleshooting WS5A Diagnostic RAM Space Available This field displays the amount of available RAM installed in the System Board DIMM sockets. Physical Address This field displays the Media Access Control (MAC) number assigned to the system board Ethernet Controller. Each workstation will display a unique value in this field in the form: 00a0a4xxxxx. DHCP Server Address This field displays the DHCP server address when the unit operates on a DHCP based network. IP Address (Static or Dynamic) This field displays the workstations IP address. When Dynamic is displayed, this indicates an IP address assigned by a DHCP server. When Static is displayed, this indicates the unit is assigned a static IP address. Motherboard Serial This field contains a 19-digit serial number created at the time the system board is manufactured. This number is stored in a Serial EEPROM. USB Hard Drive Size This field displays the size of the \DOC partition on the USB Hard Drive. The standard 256Mb and later 512MB USB Hard Drive contains three partitions of equal size, but only one of these, the \DOC partition is visible in Windows Embedded CE. This means that a 256Mb USB Hard Drive will display about 80M. CF Size This field displays the total size of the CF Card in bytes. The Windows Embedded CE 6.0 configuration ships with a 256MB device Workstation 5 and 5A Field Service Guide - 3rd Edition

197 Workstation 5A Troubleshooting WS5A Diagnostic System Information Screen - Platform Files Figure 5-15 displays the System Information Screen with the platform files highlighted. WS5A Platform files encompass several components, listed below. Figure 5-15: WS5ADiagUtility - Software Components Windows Embedded CE 6.0 Operating System. The Embedded BIOS /w StrongFrame Technology from Phoenix Technologies Ltd BIOS Version. All files and folders located on the USB Hard Drive \DOC partition. Together, this collection of the operating system image, drivers, and utilities are pre-installed on the unit prior to shipping to provide a foundation upon which all POS applications are installed. During testing, the platform software components are referred to as a RC (Release Candidate) until such time that MICROS deems the components complete and stable, where becomes known as a General Release (GR) package and posted to the MICROS HSG Hardware Portal. Each GR package includes a modified wallpaper bit-map that states the GR number. The GR Platform Update is the preferred method of obtaining and deploying updates for the Workstation 4 LX and Workstation 5A platforms. Refer to FB for more information about obtaining platform updates. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-39

198 Workstation 5A Troubleshooting WS5A Diagnostic Diagnostic Version This field displays the WS5ADiagUtility Software Version. CAL Version This field displays the version of CAL client residing on the Workstation. WinCE Version This field reports the Windows Embedded CE 6.0 Build Number. MICROS Build Version The MICROS Build version represents the combination of the Windows Embedded CE image and internal drivers. Note: The G is an abbreviation for Greenbelt the internal project name for the Workstation 5A. The MICROS Build Version increments when the following occurs: o o A Windows CE internal driver is added, removed, or modified. Updates, Hotfixes and QFEs applied to any component of Windows Embedded CE 6.0. WS5A.DLL Version This field contains the WS5A API, or Application Programming Interface version. POS applications use the API to access POS hardware such as cash drawers, Mag Stripe Reader, and the LCD Customer Display. LPPower.DLL Version This driver helps manage power button events while the operating system is running. In addition, applications such as the CAL call upon this driver to force a restart of the workstation during an application download or platform upgrade. LXBEEP.DLL Version This driver allows POS applications to access the system board beeper while Windows Embedded CE 6.0 is running. At boot time, the BIOS controls the beeper. LPLED.DLL This driver controls the Operator LED blink rate when the OS is running. At start-up, the LED blinks once per second, then turns solid White as the operating system starts and loads this file. LPE2PROM.DLL Version This driver provides access to the system board serial EEPROM that is used to store information such as the system board serial number reported on the System Information Screen Workstation 5 and 5A Field Service Guide - 3rd Edition

199 Workstation 5A Troubleshooting WS5A Diagnostic LP8543.DLL Version This driver was added in GR1.1 to support a LED backlight version of the 15 LCD. UEDCTRL.DLL Version This driver appears in GR1.2 or later to control the external USB Ports. The USB Port Config tab in WS5ADiagUtility Version 1.3 or later uses this driver to enable/disable the IO Panel USB Ports 1, 2, 3, 4 and 6. A POS application could also use this driver to control the external USB ports. BIOS Version This field displays the current BIOS Version. Again, the Q represents Quantico the internal project name for the Workstation 5A. Other Platform Files and Folders Several other platform related files are located on the \DOC partition that do not appear on the System Information Screen. These files use either a.dat extension or no extension. By default, Windows hides many file extensions including.dat. To see all files, touch View - Options and remove the three check boxes found in the Folder Options window. \DOC\PoleConfig This is a hold-over from the Workstation 4 platform. The Workstation 4 LX, Workstation 5 and Workstation 5A share the ability to auto-detect the type of customer display installed. Therefore the PoleConfig file is no longer required. \DOC\MSRConfig This file is read by the API at start-up to determine if a carriage return should be appended to Magtek Mode card data. o o If MSRConfig is not present or contains the statement Magtek_CR=0, a carriage return character is NOT appended to the mag card data track. If MSRConfig is present and contains the line Magtek_CR=1, a carriage return is appended to the mag card data track. \DOC\FACRECOV.DAT This file contains information about the Windows CE Factory Restore feature. When the unit ships, this file contains a single line - the GR Version of the Windows CE Factory Restore Files. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-41

200 Workstation 5A Troubleshooting WS5A Diagnostic Each time the Windows CE Factory Restore feature is used, the time and date are appended to this file. The contents of this file are displayed by the WS5ADiagUtility when you press the [Recovery Image Info] button. \DOC\HWInf\ This folder contains several INF files that determine the backlight brightness ranges and settings. Each file is specific to a given brand and model of LCD panel. For example, the unit originally shipped with a Sharp LG45 LCD Panel. A pair of jumpers located on the Backlight Inverter Board are set to Sharp. At start-up, the WS5A API reads the jumpers and selects the appropriate INF file, in this case the lxvideo_sharp.inf file. The values contained in the INF file are selected to obtain the maximum possible brightness at the BRIGHT, NORMAL and DIM settings, while at the same time maintaining the rated MBTF of the backlight tubes. Other files located in this folder include the lxvideo_auo.inf file to support the alternate AUO G15XG03 LCD. This panel is currently in production. The Backlight Inverter Board jumpers are set to AUO and the API will reads the lxvideo_auo.inf file at start-up. \DOC\McrsCAL Folder This folder contains the MICROS Client Application Loader, McrsCAL.Exe and a number of support DLL files. If a platform update has been performed, a folder called \DOC\McrsCALUpd may be present. \DOC\Scrnsaver This folder contains the Workstation 5A Screen Saver and Backlight Control Utility. By default, the screen saver is active when the unit leaves the factory. Within five minutes of inactivity, a WS5A Logo will appear in floating mode. Twenty minutes after the screen saver engages, the backlights turn off. When the screen saver is engaged, a single touch restores the screen and discards the touch coordinates. A Control Panel Applet lets you disable or configure the activation time(s) and or load a custom bitmap. \DOC\WS5ABkgndImage.jpg This file is the Windows CE desktop wallpaper. With each release, it is updated to display the language version and General Release Version numbers Workstation 5 and 5A Field Service Guide - 3rd Edition

201 Workstation 5A Troubleshooting WS5A Diagnostic Activity Counters, Dump Sys Info and Recovery Image Info Located at the lower left side of the System Information screen are the [View Counters], [Dump Sys Info], and [Recovery Image Info] buttons. A functional description of each follows. [View Counters] Touch this button to display a set of counters that track the number of times an MSR swipe occurs and the number of times each cash drawer is opened. Each counter is stored in the registry and will reset to zero if the CF card is wiped or formatted. [Dump Sys Info] Touch this button to create a file called WS5Adump.txt on the CF Card. This text file contains all of the fields and counters reported by the System Information screen in a comma separated ASCII text format. The text file can be retrieved from the CF card and examined for troubleshooting or purposes. [Recovery Image Info] Touch this button to determine the version of the factory restore files and track usage. The information is contained in file called FACRECOV.DAT, located in the \DOC folder. The screen capture below is an example of this screen, each field is explained in more detail below. Figure 5-16: Displaying the Factory Restore Information Screen The Image Version fields displays the version of the restore files. The restore files are contained in a hidden partition. Workstation 5 and 5A Field Service Guide - 3rd Edition 5-43

202 Workstation 5A Troubleshooting WS5A Diagnostic The Recovery Image Counter field displays the number of times the Windows Embedded CE 6.0 Factory Restore feature has been used. The Summary field includes a text box that displays the version of the restore files and a date/time stamp listing each time the recovery feature is used. In this case, the Windows Embedded CE 6.0 Factory Restore feature has been activated one time. Note the date format is DD/MM/YYYY Workstation 5 and 5A Field Service Guide - 3rd Edition

203 Workstation 5A Troubleshooting WS5A Diagnostic System Information Screen (POSReady 2009 PCWS Utility) A WS5A running the POSReady 2009 operating system includes the PCWS Diagnostics Utility. The PCWS Utility is descended from the PCWS 2010 Diagnostics Utility. Starting the POSReady 2009 Diagnostics Utility A desktop icon is linked directly to the diagnostics utility. 1. Touch the PCWS Utility icon on the desktop start the utility. o The icon is short-cut to \B\PCWSUtility\WS5ADiagnostic.exe. 2. The WS5A Diagnostics Utility should start. Figure 5-17, below displays a sample of the WIN32 version of the PCWS Diagnostics Utility. Figure 5-17: WS5A Diagnostics Utility (POSReady) Main Screen Workstation 5 and 5A Field Service Guide - 3rd Edition 5-45

204 Workstation 5A Troubleshooting WS5A Diagnostic 5-46 Workstation 5 and 5A Field Service Guide - 3rd Edition

205 Chapter 6 Remove and Replace the Workstation 5/5A FRUs This Chapter describes how to remove and replace Workstation 5 or 5A Field Replaceable Units. In this chapter Disassembling the Workstation 5 and 5A Magnetic Card Reader The Power Supply LCD/Touchscreen Procedures The System Board The Integrated LCD Customer Display Reassembling the Workstation 5 and Workstation 5A Workstation 5 and 5A Field Service Guide - 3rd Edition 6-1

206 Remove and Replace the Workstation 5/5A FRUs Disassembling the Workstation 5 and 5A Disassembling the Workstation 5 and 5A The following procedure describes how to disassemble either workstation to access the system board and other internal components. SHOCK HAZARD Always remove the AC power cable from the unit before you open the cover. 1. Remove all cables from the I/O panel including the AC Power Cable before disassembling the unit. 2. Place a towel or other soft cloth on your work surface to protect the LCD and touchscreen glass, then place the workstation face down on this surface. If an optional fingerprint reader or other option is installed in the Top Cover, avoid resting the unit on it. o The top cover is held in place by a pair of captive screws accessible from the underside of the unit as shown in Figure 6-1. A pair of hinges are located at the rear of the base. 3. Loosen the two captive screws from the under side of the unit as shown in the upper half of Figure 6-1. Remove the top cover from the base by lifting at the front of the cover as shown in the lower half of Figure 6-1. If an optional Fingerprint Reader or other cabled device is attached to the top cover, place it directly behind the base, as shown on the next page. Figure 6-1: Removing the WS5 and WS5A Top Cover 6-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

207 Remove and Replace the Workstation 5/5A FRUs Disassembling the Workstation 5 and 5A 4. Remove the single screw that fastens the LCD and Touchscreen assembly to the base as shown at the top of Figure 6-2, below. Lift the assembly out of the base, placing it to the right. Should you encounter resistance when lifting the LCD assembly - check to see if the LVDS cable has become snagged under the Mini-PCI connector. 5. If the Finger Print reader option is installed in the top cover, remove the interface cable from J10 (Workstation 5, bottom left), or J28 (Workstation 5A, bottom right). Figure 6-2: Removing the LCD/Touchscreen Assembly and Cables With the LCD/Touchscreen assembly positioned to the right side of the base, remove the system board interface cables. The following illustrations can be used to remove and or install the top cover cables. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-3

208 Remove and Replace the Workstation 5/5A FRUs Disassembling the Workstation 5 and 5A Workstation 5 All Workstation 5s were built with CCFL Backlights and Resistive Touch Screen. The available Capacitive Touch Screen did not enter production and is shown for reference only. The Workstation 5 with CCFL backlights and resistive touch screen is shown on the left of Figure 6-3, below. Figure 6-3: Remove/Replace Workstation 5 Top Cover Cables 6-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

209 Remove and Replace the Workstation 5/5A FRUs Disassembling the Workstation 5 and 5A Workstation 5A with CCFL Backlights With the exception of twenty units, Workstation 5As built to date (July 2011), use CCFL Backlights and Resistive Touch Screen. Figure 6-4: WS5A Top Cover Cables - CCFL Backlights o The available capacitive touch screen configuration is shown on the right side of the illustration. Note the configuration of J12 changes based on the touchscreen used, resistive or capacitive. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-5

210 Remove and Replace the Workstation 5/5A FRUs Disassembling the Workstation 5 and 5A Workstation 5A with LED Backlights Figure 6-5, below represents the twenty Workstation 5A using an LCD with LED backlights. See the Display section for more information this configuration. Figure 6-5: WS5A Top Cover Cables - CCFL Backlights For more information about the LED backlight configuration, see the Display section. To replace the Mag Card Reader assembly, see page 6-7. To replace the power supply board, see page 6-9. To replace the Touchscreen Glass, LCD Panel or Backlight Inverter Board, refer to page To remove and replace the Workstation 5 System Board, see page To remove and replace the Workstation 5A System Board, see page To remove and replace the integrated LCD Customer Display, See page Workstation 5 and 5A Field Service Guide - 3rd Edition

211 Remove and Replace the Workstation 5/5A FRUs Magnetic Card Reader Magnetic Card Reader The procedure below describes how to remove and replace the Magnetic Card Reader. The Mag Stripe Reader FRU is a complete assembly, ready to install. Removal 1. Remove the LCD/Touchscreen assembly as previously described. 2. Remove the MSR assembly from the base. Figure 6-6. o o On the Workstation 5, press on the tab to release the modular connector from CN14. On the Workstation 5A, remove the modular connector from CN13. Workstation 5 Workstation 5A Figure 6-6: Removing the Mag Card Reader - Workstation 5 and 5A Workstation 5 and 5A Field Service Guide - 3rd Edition 6-7

212 Remove and Replace the Workstation 5/5A FRUs Magnetic Card Reader Installation 1. Orient the modular connector with the tab facing upwards, then push it through the cut-out in the side of the chassis to CN14. Figure 6-7 shows how to use a screw driver to guide the modular connector into place. 2. The Workstation 5A uses a top mounted modular connector, CN13. Figure 6-7: Installing the MSR Connector - Workstation 5 3. Insert the MSR channel into the slots along the side of the base. 4. To replace the LCD/Touchscreen Assembly and Top Cover, see the procedure at the end of the chapter. 6-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

213 Remove and Replace the Workstation 5/5A FRUs The Power Supply The Power Supply The procedure describes how to remove and replace the Workstation 5 or 5A power supply. While the power supplies are physically different, each uses the same AC Input Wiring and System Board Power Cable. CAUTION: DOUBLE POLE/NEUTRAL FILTERING The Workstation 5 and 5A power supply contains a permanently connected fuse in the neutral line. After fuse operation, parts of the power supply remain energized and present a shock hazard as long as the AC Power Cord is connected to the unit. Always disconnect the AC Power Cord before service or configuration. 1. See page 6-2 to remove the Workstation 5 cover and LCD/Touchscreen Assembly. 2. Remove the four screws that fasten the power supply to the base 3. Remove the System Board Power Cable and AC Input wiring. 4. Install the replacement power supply, install and fasten the four screws including the AC input cable ground lug. A magnetized screwdriver is a must. 5. Connect the AC Input Wiring to the Power Supply. 6. Connect the system board power cable to J16 (WS5) or J29 (WS5A). Workstation 5 and 5A Field Service Guide - 3rd Edition 6-9

214 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures LCD/Touchscreen Procedures This section contains procedures for changing the resistive/capacitive touchscreen glass, LCD Panel, and Backlight Inverter Board. Figure 6-8 below, displays an exploded view of the LCD/Touchscreen assembly components used on the Workstation 5 and Workstation 5A. Figure 6-8: The Workstation 5 and 5A LCD/Touchscreen Assembly The majority of both Workstation 5 and Workstation 5As used a 15 Sharp or AU Optronics LCD with CCFL backlights and 5-wire resistive touchscreen. Starting at the top of the illustration, a standard 15 5-Wire resistive or optional capacitive glass rests on top of the LCD/Touchscreen Bracket, held in place by three clips. The LCD/Touchscreen bracket fits around the LCD Panel to form an assembly that fastens to the LCD Plate with four screws. Two 15 LCD Panels with CCFL backlights been used. Workstation 5 production started with a Sharp LQ150X1LG45 panel and continues on the Workstation 5A with the AU Optronics G150XG03 V.2 panel. Each is completely interchangeable, and each is compatible with the XBRE38 Backlight Inverter Workstation 5 and 5A Field Service Guide - 3rd Edition

215 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures The LCD Plate has undergone modifications since the Workstation 5. The Workstation 5A LCD Plate adds the cut-outs required to accommodate a LED backlight connector and optional SATA disk drive. CCFL Backlights Figure 6-9 below, represents the standard Resistive LCD/Touchscreen assembly showing the CCFL Backlight Inverter Board and interface cables. The WS5A adds a tie-wrap for strain relief of the Backlight Inverter Cable. Figure 6-9: LCD/Touchscreen Assembly with CCFL Backlights and Resistive Touchscreen Workstation 5 and 5A Field Service Guide - 3rd Edition 6-11

216 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures LED Backlights Twenty Workstation 5As (S/N through 1176), shipped with an LCD based on LED backlights. These units use the AU Optronics G150XG01 V.2 LCD panel that relies on the DC-to-DC converter (U68) installed on the system board. The Backlight Interface cable connects between the panel and J31. Both the LCD and Backlight interface cable are not spared. Figure 6-10, below displays the limited run of LCDs with LED Backlights and resistive touchscreens. Figure 6-10: LCD/Touchscreen Assembly with LED Backlights and Resistive Touchscreen 6-12 Workstation 5 and 5A Field Service Guide - 3rd Edition

217 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Optional Capacitive Touchscreen Figure 6-11 shows and example of the optional capacitive touchscreen. This option adds the Capacitive Interface Board and interface cable. The capacitive touchscreen ribbon cable connects directly to the Capacitive Interface Board. Figure 6-11: LCD/Touchscreen Assembly with Capacitive Touchscreen Option Workstation 5 and 5A Field Service Guide - 3rd Edition 6-13

218 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Touchscreen Removal This procedure applies to both the resistive and optional capacitive touchscreen glass. Refer to Figure 6-12, and work from the top towards the bottom of the illustration. Figure 6-12: Removing the Touchscreen 1. Place the assembly face down and remove the touchscreen ribbon cable from the cable guide under the Backlight Inverter Board. o If the Capacitive Touchscreen option is installed, remove the touchscreen ribbon cable from Capacitive Touchscreen Interface Board. 2. Place the assembly face up, release the plastic tab and remove the touchscreen glass Workstation 5 and 5A Field Service Guide - 3rd Edition

219 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Installation 1. Orient the touchscreen glass with the touch sensitive surface and cable on the top side as shown below. Figure 6-13: Touchscreen Orientation resistive 2. Place the glass panel in the bracket as shown at the bottom of Figure 6-12 then rotate downward until the clip locks the glass in place. 3. Be place the touchscreen ribbon cable in the cable guide under the Backlight Inverter Board. Failure to do this can cause the cable to come in contact with the Backlight Inverter Board. o If the Capacitive Touchscreen option is installed, place the ribbon cable under the Capacitive Interface Board and connect it to J1 as shown in Figure See page 6-39 to reinstall the LCD/Touchscreen Assembly. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-15

220 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures LCD Panel Remove Figure 6-14 below shows three how to remove the LCD Panel from the LCD/Touchscreen assembly. Figure 6-14: Removing the LCD Panel 1. Place assembly face down. o Remove (2) Backlight Inverter Cables from the Backlight Inverter Board o Remove the LVDS Cable from the LCD Panel. On units with the LVDS cable clamp, you must push down on the tab to release the cable. o Remove the Touchscreen Ribbon cable from the cable guide underneath the Backlight Inverter Board. 2. Loosen the four captive screws that fasten the bracket to the LCD Plate. 3. Separate the LCD Panel and Bracket from the LCD Plate, carefully feeding the backlight cables through each cut-out in the plate. VERMONT LCD NOTICE This product contains mercury and may only be disposed of after proper removal and disposal of the lamps Workstation 5 and 5A Field Service Guide - 3rd Edition

221 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Installation 1. Place the LCD Bracket around the replacement LCD Panel as shown in the Figure 6-15 below. Figure 6-15: Installing the LCD Panel /w CCFL Backlights 2. For the remaining steps, refer the lower section of Figure 6-15, on the previous page. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-17

222 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures 3. Feed each backlight cable through the cut-outs in the LCD Plate, then fit the LCD/Touchscreen Bracket assembly inside the LCD Plate. Make sure the clips in each corner of the bracket project through the cut-outs in the LCD plate. 4. Place the assembly face down and check the backlight cables to ensure they are not pinched between the LCD Plate and LCD Panel. Connect each Backlight cable to the Backlight Inverter Board. 5. Place the LVDS Cable in the cable clamp then connect it to the LCD Panel. The cable clamp can prevent the cable from becoming loose and causing display quality issues. 6. Place the touchscreen ribbon cable in the guide under the Backlight Inverter as shown in the lower half of Figure Failure to place the ribbon cable under the Backlight Inverter Board could cause it to come in contact with high voltage. 7. Check the CCFL Inverter Board LCD Configuration Jumpers. Figure 6-16, below shows the jumper setting for either LCD Panel. Figure 6-16: LCD Configuration Jumpers 8. See page 6-39 to reinstall the LCD/Touchscreen Assembly Workstation 5 and 5A Field Service Guide - 3rd Edition

223 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Backlight Inverter Board The Backlight Inverter Board is attached to the LCD Plate with two screws. 1. Place the LCD/Touchscreen Assembly face down to access the Backlight Inverter Board. 2. Refer to Figure 6-17 and remove the Backlight Cables. Remove the pair of screws to remove the board. Figure 6-17: Remove and Replace the Backlight Inverter Board 3. Remove the Backlight Interface Board Interface cable. Note the tie-wrap strain relief shown in the illustration. If the tie wrap is missing or broken, replace it. It protects the backlight cable connector, J1. 4. If necessary, change the LCD Jumpers on the replacement board to match the original board. 5. Install the replacement board and fasten with two screws. Connect each backlight cable and the system board interface cable to J1. 6. See page 6-39 to reinstall the LCD/Touchscreen Assembly. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-19

224 Remove and Replace the Workstation 5/5A FRUs LCD/Touchscreen Procedures Capacitive Touchscreen Interface Board The Capacitive Touchscreen Interface Board option is mounted to the rear of the LCD Plate. 1. Place the LCD/Touchscreen assembly face down to access the Capacitive Interface Board 2. Refer to Figure 6-18, below and remove the touchscreen ribbon cable from J1 and the system board interface from J2. 3. Remove three screws that fasten the board to the plate. Figure 6-18: Remove and Replace the Capacitive Interface Board 4. Before installing the replacement interface board, make sure the touchscreen ribbon cable passes under both the Backlight Inverter Board and Capacitive Touchscreen Interface Board. Connect the ribbon cable to J1 and the system board interface cable to J2. 5. See page 6-39 to reinstall the LCD/Touchscreen assembly Workstation 5 and 5A Field Service Guide - 3rd Edition

225 Remove and Replace the Workstation 5/5A FRUs The System Board The System Board This section contains remove and replace procedures for the Workstation 5 and Workstation 5A System Boards. System Board Remove and Replace - Workstation 5 1. See page 6-2 to remove the Top Cover and LCD/Touchscreen Assembly. 2. Refer to Figure 6-19, below and remove the items listed below. Figure 6-19: Removing the Workstation 5 System Board Cables o Remove the Power Supply Cable from J16. o Remove the Left and Right Speaker Cables from CN9 and CN10. o Remove the Integrated Customer Display Cable from J2. o Remove the Mag Card Reader Cable from CN14. o Remove the CF Daughter Card. o Remove the Power Button Actuator. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-21

226 Remove and Replace the Workstation 5/5A FRUs The System Board 3. Refer to Figure 6-20, and remove the system board mounting hardware. This includes three stand-offs and four screws. Figure 6-20: Removing the System Board Hardware 4. Remove the board by lifting up the front of the board until it clears the chassis. The 1 square Blue material is a thermally conductive pad, positioned directly under the processor. The material has an elastic nature that allows it to conform to the topography of the system board and effectively transfer heat from the processor to the chassis. 5. Examine the configuration jumpers on the defective System Board. This includes LCD Configuration Jumper J17, and Touchscreen configuration jumper pair J4. If required change the jumper settings on the replacement system board to match. 6. Transfer system board components as required from the defective system board to the replacement system board. This includes the USB Hard Drive, CF Daughter Card and CF Card, CMOS Battery, DDR DIMM(s), BIOS EEPROM, and options such as the Mini-PCI wireless card. Procedures for removing and replacing these components can be found in the following pages Workstation 5 and 5A Field Service Guide - 3rd Edition

227 Remove and Replace the Workstation 5/5A FRUs The System Board 7. Install the replacement system board in the chassis. 8. Install the power button actuator assembly in the base and tighten the shoulder screw. Do not overtighten. 9. Install the system board mounting hardware, but do not tighten. Position the System Board so that SW2 just touches the actuator as shown in the illustration. Tighten the mounting hardware including the all stand-offs. If the system board screws are not fastened securely, the system board can shift position and prevent the power button actuator from working properly. Figure 6-21: Installing the Power Switch Activator 10. Once the board is running, be sure to enter BIOS Setup and program the current time and date. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-23

228 Remove and Replace the Workstation 5/5A FRUs The System Board USB Hard Drive - Workstation 5 This procedure describes how to remove and replace a USB Hard Drive. Remove the USB Hard Drive 1. Remove the LCD/Touchscreen assembly as previously described. 2. Refer to Figure 6-22, below. Use a pair of needle nose pliers to pinch the stand-off and remove the USB Hard Drive from J9. Installation Figure 6-22: Removing the USB Hard Drive 1. Figure 6-23 points the location of J9, the USB Hard Drive socket. The missing pin on J9 serves as a key when installing this device. However, it is possible to offset the pins, and this will result in a POST failure. Figure 6-23: Installing the USB Hard Drive 6-24 Workstation 5 and 5A Field Service Guide - 3rd Edition

229 Remove and Replace the Workstation 5/5A FRUs The System Board DDR Memory - Workstation 5 This section describes how to remove or replace a DDR DIMM. STATIC SENSITIVE DEVICES Always follow ESD procedures when installing or removing DIMMs. 1. Refer to Figure 6-24, below. Rotate each retention clip away from the socket. As you do this, the DIMM will lift out of the socket. Figure 6-24: Removing a DIMM from the System Board 2. To install a DIMM, make sure each retention clip is in the open position. The notch on the DIMM must line up with a corresponding land in the socket. Place the DIMM in the socket. Press down on each side of the DIMM to lock the retention clips in place Figure 6-25: Installing a DIMM Workstation 5 and 5A Field Service Guide - 3rd Edition 6-25

230 Remove and Replace the Workstation 5/5A FRUs The System Board Approved DIMMs for the Workstation 5 System Board Figure 6-26 lists the DDR DIMMs currently approved for use on the Workstation 5 System Board.. Size MICROS P/N Description 256MB Wintec WD1UN256X B-PH WD1UN256X B-PJ-M01 Unigen UG732D6688KV-DHFMSS 512MB Wintec WD1UN512X B-QC WD1UN512X B-PJ-M01 1GB Wintec WD1UN01GX C-QC Figure 6-26: Workstation 5 System Board Approved DIMMs Figure 6-27 displays current DDR 333 DIMM configurations for the Windows CE and WEPOS operating systems using MICROS approved devices. CN12 CN13 Total Operating System 256MB MB Windows Embedded CE 6.0 a 512MB MB WEPOS 1GB -- 1GB WEPOS a. MICROS recommends that you do not install more than 512MB in a WS5 running Windows Embedded CE 6.0. Figure 6-27: DIMM Configuration Table 6-26 Workstation 5 and 5A Field Service Guide - 3rd Edition

231 Remove and Replace the Workstation 5/5A FRUs The System Board BIOS EEPROM - Workstation 5 The Workstation 5 System Board BIOS EEPROM is located in a 32-pin PLCC socket, U38. MICROS recommends that you use a chip removal tool similar to that shown in the illustration below. This tool, when used properly, allows removal of the chip without damage to the socket. Figure 6-28: Recommended PLCC Removal Tool Workstation 5 and 5A Field Service Guide - 3rd Edition 6-27

232 Remove and Replace the Workstation 5/5A FRUs The System Board Mini-PCI Wireless Card Two cards, the obsolete EZAIX or replacement Abocom may be found. Removing the Wireless Card 1. Remove the antenna cable(s) from the Wireless Card, then release the side retention clips to allow the board to flip-up to a position where it can be removed from the connector. Figure 6-29: Removing the Mini-PCI Wireless Card 2. Remove the 2-pin header from J20, located near the processor. 3. Install the wireless card in the replacement system by starting the board at a 30 degree angle relative to the socket. When the card is fully seated, rotate it downward until the side rails of the socket lock the card in place. 4. For wireless either card, you must move the 2-pin header to J20 on the replacement WS5 system board, as shown in the image below. Figure 6-30: Installing the PCI Configuration Jumper (WS5 Only) 6-28 Workstation 5 and 5A Field Service Guide - 3rd Edition

233 Remove and Replace the Workstation 5/5A FRUs The System Board 5. Install the antennae cables. Note that the Main and Aux connectors are reversed between the two boards. Figure 6-31, below. Figure 6-31: Installing the Wireless Card Antennae The Abocom wireless card requires GR1.2 or later to function. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-29

234 Remove and Replace the Workstation 5/5A FRUs The System Board System Board Remove and Replace - Workstation 5A 1. Remove all cables, the Top Cover and LCD/Touchscreen Assembly. 2. Refer to Figure 6-32, below and remove the items shown. Figure 6-32: Removing the WS5A System Board Cables 6-30 Remove the Compact Flash Riser Card from socket IDE1. Remove any option cards from the Mini-PCI slot, CN12. Remove the power supply cable from J29. Remove the USB cable from J14. Remove the Integrated LCD Customer Display Cable form J14. Remove the Magnetic Stripe Reader cable from CN13. Workstation 5 and 5A Field Service Guide - 3rd Edition

235 Remove and Replace the Workstation 5/5A FRUs The System Board 3. Refer to Figure 6-33 and remove the system board mounting hardware and power button. Figure 6-33: Removing the WS5A System Board Mounting Hardware 4. Remove the board by lifting up on the front to clear the chassis. 5. Examine the configuration jumpers on the replacement system board and set as necessary. o J5 (1-2) For the Sharp or AUO 15 CCFL LCD Panel. o J12 - Touchscreen Configuration Jumpers - set to match defective board. 6. Transfer components as required from the defective system board. This includes the USB Hard Drive, CF Daughter Card and CF card (if installed), CMOS Battery, SO-DIMM(s), and optional WiFi cards and antenna. Procedures for each item can be found in the following pages. 7. Once the board is running, be sure to enter BIOS Setup and program the current time and date. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-31

236 Remove and Replace the Workstation 5/5A FRUs The System Board 8. Before installing the replacement system board, make sure the Processor and IO Controller thermal pads are positioned as shown in Figure 6-34, below. Do not operate the system board without the thermal pads! Figure 6-34: Checking the Processor and IO Controller Thermal Pads 9. Install the replacement system board in the chassis. 10. Install the power button actuator assembly in the base and tighten the shoulder screw. The Workstation 5A features an improved power button actuator that is less likely to become dislodged from the guide clip. Test the power button actuator to ensure it operates without binding. Figure 6-35: Power Button Actuators Compared 11. Install the system board mounting hardware, but do not tighten. Position the System Board so that SW2 just touches the actuator as shown in the illustration, then secure the system board mounting hardware. o Make sure all eight screws are tightened securely. This ensures 1) the board will not move when the power button is pressed, and 2) the processor, IO controller as well as the system board itself can dissipate heat throughout the chassis Workstation 5 and 5A Field Service Guide - 3rd Edition

237 Remove and Replace the Workstation 5/5A FRUs The System Board USB Hard Drive - Workstation 5A This procedure describes how to remove and replace the USB Hard Disk used for Windows Embedded CE and POSReady 2009 configurations. 1. Refer to Figure 6-36, below and use a pair of needle noise pliers to pinch the stand-off and remove the device from socket J8. Installation Figure 6-36: Removing the USB Hard Disk 1. Figure 6-37 below, points out the location of pin-9 on the dedicated USB Hard Disk header J8. The missing Pin-9 serves as the key when installing the device. It is possible to offset the pins, which could cause a POST failure. Be sure the device is secured to J8 with the locking stand-off. Figure 6-37: Installing the USB Hard Disk Workstation 5 and 5A Field Service Guide - 3rd Edition 6-33

238 Remove and Replace the Workstation 5/5A FRUs The System Board BIOS Chip - Workstation 5A The Workstation 5A uses a BIOS chip based on the Serial Peripheral Interface (SPI). This device and socket are physically smaller than the LPC BIOS chip on the Workstation 5. To remove the BIOS chip U55, see Figure 6-38 below, to open the socket and access the device. 1. Open the left side cover first, then the right side cover to expose the BIOS chip. 2. Carefully lift the device out of the socket. Front of System Board Figure 6-38: Remove and Replace the SPI BIOS Chip 3. When installing the SPI BIOS chip, ignore the colored dots and make sure Pin-1 dimple is oriented at the upper left corner of the device as shown Workstation 5 and 5A Field Service Guide - 3rd Edition

239 Remove and Replace the Workstation 5/5A FRUs The System Board SO-DIMMS - Workstation 5A The Workstation 5A System Board includes a pair of SO-DIMM sockets CN17 and CN18. Avoid using 2GB SO-DIMMs. Figure 6-39 lists the DDR2 SO-DIMMs approved for use in the Workstation 5A. Size MICROS P/N Description 512MB ATP XZ66L6N1HS-E-MS ATP XZ66L6N1HS-F-MS Unigen UG64T6400M6SU-6AA Unigen UG64T64 L8SU-6AS Mushkin MH Transcend xxxx TS64MSQ64V6J 1GB Wintec WD2SN01Gx I-PE Mushkin MJ Figure 6-39: WS5A Approved DDR2 SO-DIMMs SO-DIMM Configuration Figure 6-40 below, displays the factory SO-DIMM configurations for Windows Embedded CE 6.0 and POSReady CN17 DIMM0 CN18 DIMM1 Total Operating System 512MB MB Windows Embedded CE 6.0 1GB -- 1GB POSReady GB 1GB 2GB POSReady 2009 Figure 6-40: WS5A SO-DIMM Configuration Note: The Windows Embedded CE 6.0 R3 image is configured to use 512Mb. If more than 512MB is installed, it will be not be used by the CE image. See the next page for more information about removing and replacing SO-DIMMs. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-35

240 Remove and Replace the Workstation 5/5A FRUs The System Board Remove Release the retention clips on each end of the SO-DIMM socket and the device will flip to a 30 angle and you can remove it from the socket. Figure 6-41: Removing a WS5A SO-DIMM Install Line up the notch in the SO-DIMM with the land in the socket and insert the device into the socket at a 30 angle. When fully inserted in the socket, press down to lock the retention clips into place. Figure 6-42: Installing a WS5A SO-DIMM 6-36 Workstation 5 and 5A Field Service Guide - 3rd Edition

241 Remove and Replace the Workstation 5/5A FRUs The System Board SATA Hard Disk - Workstation 5A A number of Workstation 5As with POSReady 2009 use one 2.5 SATA SSD installed in place of the USB Hard Disk. The drive is attached to a plate which in turn is attached to the LCD sheet metal bracket. If removing the SATA Data Cable, be sure to press the retention clip to release the system board connector, as shown on the right of Figure 6-43 below. Figure 6-43 shows the WS5A System Board SATA data and power connectors for the SATA hard disk. Figure 6-43: Workstation 5A SATA Disk Connectors Workstation 5 and 5A Field Service Guide - 3rd Edition 6-37

242 Remove and Replace the Workstation 5/5A FRUs The Integrated LCD Customer Display The Integrated LCD Customer Display This procedure describes how to remove and replace the Integrated LCD Customer Display on the Workstation 5 or 5A. 1. Remove the AC power cable from the unit. 2. Place a towel or soft cloth on your work surface to protect the LCD and touchscreen, then place the workstation face down on this surface. 3. Remove the LCD Customer Display Interface Cable from the IO Panel Connector. 4. Depress the clips on each side of the Customer Display Bracket and pull the display assembly from the base. Figure 6-44: Removing the LCD Customer Display 5. To install the LCD Customer display, feed the interface cable through the cut-out then slide the display bracket until the side clips lock into place. Connect the interface cable to the IO Panel Connector Workstation 5 and 5A Field Service Guide - 3rd Edition

243 Remove and Replace the Workstation 5/5A FRUs Reassembling the Workstation 5 and Workstation 5A Reassembling the Workstation 5 and Workstation 5A The following procedure describes how to reassemble the Workstation If the optional Integrated Fingerprint Reader or other option is installed in the top cover, refer to Figure 6-45, below and connect the interface cable to J10. Proceed to Step 2 if no options are installed in the top cover. Place the cable between the chassis heat sink and base to ensure it does not interfere with the LCD/Touchscreen Assembly. The cable can also be placed on the right side of the base if desired. Place the top cover directly behind the base. Figure 6-45: Installing the Optional Finger Print Reader Cable 2. Place the LCD/Touchscreen assembly to the right of the base and install the LCD/Touchscreen Assembly Cables. o WS5 with Resistive or Capacitive Touch Screen and CCFL Backlights, See page 6-4. o WS5A with Resistive or Capacitive Touch Screen and CCFL Backlights, see page 6-5. o WS5A with Resistive Touch Screen with LED Backlights, see page 6-6. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-39

244 Remove and Replace the Workstation 5/5A FRUs Reassembling the Workstation 5 and Workstation 5A 3. Install the LCD/Touchscreen Assembly in the base. The upper section of Figure 6-46, shows the rear of the assembly and corresponding slots in the base. Insert the LCD/Touchscreen Assembly at the angle shown then rotate down. o If the LCD/Touchscreen assembly does not seat on the top of the chassis, check for cable interference. All internal cables must run below the lip of the chassis. Figure 6-46: Installing the LCD/Touchscreen Assembly 6-40 Workstation 5 and 5A Field Service Guide - 3rd Edition

245 Remove and Replace the Workstation 5/5A FRUs Reassembling the Workstation 5 and Workstation 5A 4. Be sure to install the screw that fastens LCD/Touchscreen assembly to the base. 5. Before installing the Top Cover, examine the gasket to ensure it is seated properly. Install the cover by attaching it to the hooks at the rear of the base first, then snapping the front of the cover into place. Figure 6-47: Installing the Workstation 5/5A Top Cover 6. Tighten the captive screws to secure the cover. If a Fingerprint Reader or other option is installed in the top cover, avoid placing the unit on the housing while fasten the screws on the underside of the base. Workstation 5 and 5A Field Service Guide - 3rd Edition 6-41

246 Remove and Replace the Workstation 5/5A FRUs Reassembling the Workstation 5 and Workstation 5A 6-42 Workstation 5 and 5A Field Service Guide - 3rd Edition

247 Appendix B Connector and Cable Diagrams On the pages that follow, you will find diagrams of the Workstation 5 or 5A I/O Panel connectors, system board connectors, and commonly used hook-up cables. A description of how each cable or connector is used is provided. In this appendix IO Panel Connectors... B-2 System Board Connectors...B-6 Hook-up Cables...B-7 Workstation 5 and 5A Field Service Guide - 3rd Edition B-1

248 Connector and Cable Diagrams IO Panel Connectors IO Panel Connectors The following connectors are located on the Workstation 5 IO Panel. IDN Port The IDN connector is a combination RS422/RS232 port associated with COM4. This port is functionally equivalent to the RS422-A and RS422-B ports on the WS4/WS4 LX. Two configurations are detailed in the following pages, configured through the POS application. WARNING: Do not insert a 6-Pin modular plug into the 8-Pin IDN connector. The 6-Pin plug can push pins 1 and 8 of the connector out of position. These pins are used by the RS232 Interface. Should you wish to use the RS232 Interface at a later time, it may not function. Always use an 8-Pin modular plug to connect an IDN printer to the workstation. IDN Port - Driving IDN Printers One configuration is the RS422 based IDN(+) mode. Figure B-1 shows the pin-out for this configuration. Use cable P/N to drive IDN Printers. Figure B-1: IDN Connector Configured for RD422 IDN B-2 Workstation 5 and 5A Field Service Guide - 3rd Edition

249 Connector and Cable Diagrams IO Panel Connectors IDN - RS232 Peripheral Figure B-2 shows the IDN port configuration for a basic RS232 interface. Use cable P/N to convert this port to a DB9 connector. Figure B-2: IDN Port Configured for RS232 COM5 The COM5 connector is a full-featured RS232 modular COM port similar to that found on the PCWS Eclipse and Use cable P/N to convert this port to a DB9 connector. Figure B-3: COM5 Modular RS232 Connector Workstation 5 and 5A Field Service Guide - 3rd Edition B-3

250 Connector and Cable Diagrams IO Panel Connectors RS232 Connector A single DB9F RS232 connector assigned to COM1 is provided. The pin-out is shown below. Figure B-4: DB9 RS232 Connector Diagram Cash Drawer 1 and 2 Connectors Figure B-5: Cash Drawer Connector Diagram B-4 Workstation 5 and 5A Field Service Guide - 3rd Edition

251 Connector and Cable Diagrams IO Panel Connectors Remote Customer Display Connector This port supports either the 2x20 VFD customer display or the graphics based LCD customer display. Figure B-6: Customer Display Connector Diagram Workstation 5 and 5A Field Service Guide - 3rd Edition B-5

252 Connector and Cable Diagrams System Board Connectors System Board Connectors This section details connectors located on the Workstation 5 system board. Magnetic Stripe Interface The internal magnetic card reader connector is CN14, located on the system board. The pin-outs for this connector are shown in Figure B-7, Figure B-7: Workstation 5 System Board MSR Connector B-6 Workstation 5 and 5A Field Service Guide - 3rd Edition

253 Connector and Cable Diagrams Hook-up Cables Hook-up Cables The following pages show wiring diagrams of various hook-up cables that may be used with the Workstation 5. IDN Port RS232 Cables Figure B-8 displays a cable that includes the RS232 signals from the IDN Port to a DB9 male connector. This cable is available from MICROS by ordering P/N Figure B-8: IDN Port to RS232 DB9 Male Connector Figure B-9 shows a cable diagram that adapts the IDN port to a DB25 connector. Figure B-9: IDN Port to RS232 DB25 Connector Workstation 5 and 5A Field Service Guide - 3rd Edition B-7

254 Connector and Cable Diagrams Hook-up Cables COM5 RS232 Cables Figure B-10 displays a diagram of an extension cable that brings all RS232 signals from the COM5 port to a DB9 connector. Figure B-10: COM5 RS232 Extension Cable (DB9M) LCD Customer Display Cables The LCD based Customer Display includes two cable assemblies. The function of each cable is detailed in the following pages. LCD Customer Display Housing Interface Cable The LCD Customer Display Housing consists of the LCD Panel, Interface Board, mounting bracket and interface cable. A diagram of this interface cable is shown in Figure B-11. When the LCD Customer Display is attached directly to the Workstation 5, this cable plugs into the Rear Display IO Panel connector shown in Figure B-13. Figure B-11: LCD Customer Display Housing Cable B-8 Workstation 5 and 5A Field Service Guide - 3rd Edition

255 Connector and Cable Diagrams Hook-up Cables Remote Pole LCD Customer Display The cable shown in Figure B-12 is supplied with the Pole LCD Customer Display or Adjustable Stand Pole Display kit. It attaches between the 4-pin Mini-DIN connector on the Workstation 5 I/O panel, through the pole to mate with the cable from the LCD Customer Display Housing Cable shown in Figure B-11. Figure B-12: Remote Pole LCD Customer Display Assembly IO Panel Customer Display Connector The Workstation 5/5A places the integrated or rear customer display connector on the IO Panel. A diagram of this connector is shown below. Figure B-13: IO Panel Integrated LCD Connector Workstation 5 and 5A Field Service Guide - 3rd Edition B-9

256 Connector and Cable Diagrams Hook-up Cables Ethernet Figure B-14 shows a diagram of a standard Cat 5 Ethernet hook-up cable. This cable would be connected from a workstation or server to the system hub. Figure B-14: EIA/TIA-568-A Cat 5 Ethernet Hook-up Cable Diagram B-10 Workstation 5 and 5A Field Service Guide - 3rd Edition

257 Connector and Cable Diagrams Hook-up Cables Cross-over Pinning Figure B-15 shows a diagram of a typical Category 5 hook-up cable with the transmit/receive cross-over pinning implemented. This cable can be used when only two devices must be connected. For example, it can be used to connect two workstations, or a server connected to a single client. Figure B-15: Cat 5 Ethernet Hook-up Cable Diagram (cross-over) Workstation 5 and 5A Field Service Guide - 3rd Edition B-11

258 Connector and Cable Diagrams Hook-up Cables 8-Pin to 6-Pin Hook-up RS422 Cable ( ) This cable brings out the RS422 signals from the IDN port connector to a 6-pin wall plate connector or directly to the IDN connector on the printing device. Figure B-16: 8-Pin to 6-Pin IDN Hook-up Cable Diagram B-12 Workstation 5 and 5A Field Service Guide - 3rd Edition

259 Connector and Cable Diagrams Hook-up Cables Cash Drawer Extension Cable Workstation 5 and 5A Field Service Guide - 3rd Edition B-13

260 Connector and Cable Diagrams Hook-up Cables B-14 Workstation 5 and 5A Field Service Guide - 3rd Edition