System Board Troubleshooting | Toshiba M10 guide

2 Troubleshooting Procedures

2.4 System Board Troubleshooting

2.4System Board Troubleshooting

This section describes how to determine if the system board is defective or not functioning properly. Start with Procedure 1 and continue with the other procedures as instructed. The procedures described in this section are:

Procedure 1: Message Check

Procedure 2: Printer Port LED Check on Boot Mode

Procedure 3: Diagnostic Test Program Execution Check

Procedure 4: Replacement Check

2-18	Satellite Pro M10 Series Maintenance Manual (960-431)

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Toshiba M10 manual Troubleshooting Procedures System Board Troubleshooting

Contents

Toshiba Corporation File Number Disclaimer CopyrightTrademarks Safety Precautions Preface Satellite Pro M10 Series Maintenance Manual Conventions Acronyms Satellite Pro M10 Series Maintenance Manual Table of Contents Tests and Diagnostics Replacement Procedures Appendices Hardware Overview Hardware Overview Chapter Contents Figures Tables Features Features Hardware Overview Hardware Overview Features Features Hardware Overview Hardware Overview Features Features Hardware Overview Front of the computer System unit configuration System Unit Block Diagram Hardware Overview System Unit Block Diagram System Unit Block Diagram Hardware Overview Apic System Unit Block Diagram Hardware Overview Hardware Overview System Unit Block Diagram System Unit Block Diagram Hardware Overview 3.5-inch Floppy Disk Drive Hardware Overview 3.5-inch Floppy Disk Drive 2.5-inch Hard Disk Drive 2.5-inch Hard Disk Drive Hardware Overview DVD-ROM Drive Hardware Overview DVD-ROM Dvive Multi Drive Multi Drive Hardware Overview Hardware Overview Multi Drive Multi drive specifications 2/2 DVD Multi Drive DVD Multi Drive Hardware Overview Power Supply Hardware Overview Power Supply Power Supply Hardware Overview LB2 Power supply board output rating Stand by Power off No battery Battery specifications Main BatteryBattery LED Main Battery Batteries Hardware Overview Batteries Battery Charging ControlTime required for quick charges RTC battery RTC battery charging/data preservation time Hardware Overview Batteries Chapter Troubleshooting Procedures Troubleshooting Procedures Chapter Contents Troubleshooting Procedures Troubleshooting flowchart Printer port LED Troubleshooting Procedures Troubleshooting Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting flowchart 1/2 Troubleshooting flowchart 2/2 Troubleshooting Procedures Troubleshooting Flowchart Power Supply Troubleshooting Power Supply Troubleshooting Troubleshooting ProceduresProcedure 1 Power Status Check Battery LED DC in LED Procedure 2 Error Code Check Error code Meaning Troubleshooting Procedures Power Supply Troubleshooting 1st Battery 1R5-C1V output BGVSNS-B1P output 1R2-P1V output Troubleshooting Procedures Power Supply Troubleshooting Procedure 3 Connection Check Power supply wiring diagram is shown below Procedure 4 Quick Charge Check Result code Contents Check items Procedure 5 Replacement Check System Board Troubleshooting Troubleshooting Procedures System Board Troubleshooting System Board Troubleshooting Troubleshooting Procedures Procedure 1 Message Check KBC Error HDC Error Procedure 2 Printer Port LED Check on Boot Mode Printer port LED LED Status Test item Message Cmos battery level check LED Status Test item Message Setup LED Status Test item Message FFH Troubleshooting Procedures System Board Troubleshooting Procedure 3 Diagnostic Test Program Execution Check Procedure 4 Replacement Check Troubleshooting Procedures FDD Troubleshooting FDD TroubleshootingProcedure 1 FDD Head Cleaning Check Procedure 2 Diagnostic Test Program Execution Check FDD Troubleshooting Troubleshooting ProceduresFDD error code and status Procedure 3 Connector Check and Replacement Check HDD Troubleshooting HDD Troubleshooting Troubleshooting Procedures Troubleshooting Procedures HDD Troubleshooting Procedure 2 Partition Check Procedure 3 Format Check Procedure 4 Diagnostic Test Program Execution Check Hard disk drive error code and status Procedure 5 Connector Check and Replacement Check Troubleshooting Procedures Keyboard Troubleshooting Keyboard TroubleshootingProcedure 1 External Keyboard Check Keyboard Troubleshooting Troubleshooting Procedures Procedure 3 Connector and Replacement Check Switch board PJ2025 System board Switch board I/F cable Display Troubleshooting Troubleshooting Procedures Display TroubleshootingProcedure 1 External Monitor Check Troubleshooting Procedures Display Troubleshooting Optical Disk Drive Troubleshooting Procedure 1 Drive Cleaning Check Optical Disk Drive Slim Select Bay PJ117 System board Modem Troubleshooting Troubleshooting Procedures Modem TroubleshootingProcedure 1 Diagnostic Test Program Execution Check Troubleshooting Procedures Modem Troubleshooting Procedure 2 Connector Check and Replacement Check LAN Troubleshooting LAN Troubleshooting Troubleshooting Procedures Troubleshooting Procedures LAN Troubleshooting Sound Troubleshooting Sound Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Sound Troubleshooting Procedure 2 Connector Check Procedure 3 Replacement Check Bluetooth Troubleshooting Troubleshooting Procedures Bluetooth Troubleshooting Bluetooth Troubleshooting Troubleshooting Procedures Wireless LAN Troubleshooting Troubleshooting Procedures Wireless LAN Troubleshooting Wireless LAN Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Wireless LAN Troubleshooting Chapter Tests and Diagnostics Tests and Diagnostics Chapter Contents 28.1 Function Description Accessing the Setup Program Diagnostic Test Diagnostic Test Tests and Diagnostics Tests and Diagnostics Diagnostic Test Executing the Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Tests and Diagnostics Executing the Diagnostic Test Test Loop YES/NO Following message will appear Subtest Names Tests and Diagnostics Subtest Names Tests and Diagnostics Subtest Names Subtest names 2/3 Async Subtest Names Tests and Diagnostics Subtest names 3/3 Modem LAN Tests and Diagnostics System Test System Test System Test Tests and Diagnostics CPU Temp = XX deg C Throttling level = XXXXh Memory Test Tests and Diagnostics Memory Test Satellite Pro M10 Series Maintenance Manual Keyboard Test Tests and Diagnostics Keyboard Test Tests and Diagnostics Keyboard Test Keyboard Test in Progress Keyboard Test Tests and Diagnostics Subtest Touch Pad Peripheral IPS Tests and Diagnostics Display Test Display Test Display Test Tests and Diagnostics Break Display Test Tests and Diagnostics Tests and Diagnostics Printer Test Printer Test Satellite Pro M10 Series Maintenance Manual Tests and Diagnostics Async Test Other set as receive subtest 03. The wiring diagram forAsync Test RS-232C direct cable is described in Appendix F Async Test Tests and Diagnostics Tests and Diagnostics Hard Disk Test Hard Disk Test Hard Disk Test Tests and Diagnostics Worst pattern data Cylinder Real Timer Test Real Timer Test Tests and Diagnostics Tests and Diagnostics Real Timer Test NDP Test Tests and Diagnostics NDP Test Expansion Test Tests and Diagnostics Expansion TestSelect the slot to test CD-ROM/DVD-ROM Test Tests and Diagnostics CD-ROM/DVD-ROM Test Tests and Diagnostics LAN Test LAN Test Wireless LAN Test Agere Wireless LAN Test Agere Tests and Diagnostics Tests and Diagnostics Wireless LAN Test Agere Transmit test Receive test Tests and Diagnostics Wireless LAN Test Agere This Card is WEP Press any key to continue Wireless LAN Test Atheros Tests and Diagnostics Wireless LAN Test Atheros Setting the responder machine Wireless LAN Test Atheros Tests and DiagnosticsSetting the tester machine Then the test returns to the main menu automatically Sound/LAN/Modem Test Tests and Diagnostics Sound/LAN/Modem Test Tests and Diagnostics Sound/LAN/Modem Test XXX XXX XX Xxxxxx Subtest is executed, the following message appears Tests and Diagnostics Sound/LAN/Modem Test Subtest LAN Test Completed Sound/LAN/Modem Test Tests and Diagnostics Subtest Tests and Diagnostics IEEE1394 Test Program IEEE1394 Test Program Satellite Pro M10 Series Maintenance Manual Bluetooth Test Tests and Diagnostics Bluetooth Test Bluetooth Test Tests and Diagnostics Tests and Diagnostics3.20 Bluetooth Test Error code for Bluetooth test Bdaddr 1/2 Progress Bar Bluetooth Test3 Tests and Diagnostics MM P M M M P Error code Error code for Bluetooth test Bdaddr of the DUT 1/2 See the Specification of the Bluetooth System in detail Error Code and Error Status Names Error Code and Error Status Names Tests and Diagnostics FDD CD/DVD-ROM Hard disk controller status register contents Tests and Diagnostics Hard Disk Test Detail StatusHard Disk Test Detail Status BBK1 Head Cleaning Tests and Diagnostics Head CleaningFunction Description Operations Log Utilities Tests and Diagnostics Log Utilities Tests and Diagnostics Log Utilities Running Test Tests and Diagnostics Running Test Tests and Diagnostics Running Test Floppy Disk Drive Utilities Tests and Diagnostics Floppy Disk Drive Utilities Tests and Diagnostics Floppy Disk Drive Utilities Floppy Disk Format & Copy Select a drive number. Then the following message appears HDD-ID Read System Configuration Tests and Diagnostics System Configuration System Configuration Tests and Diagnostics COM2= COM3= Setup Tests and Diagnostics Setup Setup Tests and Diagnostics Accessing the Setup Program Memory Boot Priority Setup Tests and Diagnostics Moving Within the Setup Menu and Changing Values Accepting Changes and Exiting the Setup WindowFactory Preset Configuration Password Write Policy in the CPU Cache Setup Options Disabled Disables display automatic power off Battery optimizedBright Full brightness for high visibility Maximum performance FDD →HDD →CD-ROM →LAN Sets to PXE protocol Default PXE Ntscus Default Boot Turns on boot mode. Default Resume Turns on resume mode Always High Always Low Setup by OS All Devices COM level No Drive PCI BUS = IRQ10, IRQ11 Enabled Enables the feature Disabled Disables the feature. Default Std. Bi-Direct Enhanced IDENormal Standard IDE Enabled Chapter Replacement Procedures Replacement Procedures CPU Replacement Procedures Replacement Procedures Removing the TFT FL Model 14.1 XGA LG. Philips LP141X7-C1TO Vii 31 Removing the wireless LAN card 70 Attaching the source PCB and gate PCB 116 Installing the lamp cover 145 152 Xii General Replacement Procedures General Replacement Procedures General Safety Precautions Before You Begin Disassembly Procedures Assembly Procedures Tools and Equipment Screw Tightening Torque M2.5⋅6 Giza Tite Color of Screw Shaft Marking of Screws on the Computer Body Removing the Battery Pack Removing the battery Installing the Battery Pack Installing an Optional PC Card Removing an Optional PC Card Installing an Optional SD Card Removing an Optional SD Card Replacement Procedures Memory Modules Memory ModulesRemoving a Memory Module Lift off the memory slot cover Memory Modules Replacement Procedures Removing the memory modules Installing a Memory Module HDD HDD Replacement ProceduresRemoving the HDD Replacement Procedures HDD Removing the HDD pack Removing screws and HDD bracket Installing the HDD Secure the bracket with four M3⋅4 silver flat-head screws Slim Select Bay Module Slim Select Bay Module Replacement ProceduresRemoving the Slim Select Bay Module Replacement Procedures Slim Select Bay Module 10 Disassembling the optical disk drive Installing the Slim Select Bay Module Modem Daughter Card Replacement Procedures Modem Daughter CardRemoving the Modem Daughter Card Modem Daughter Card Replacement Procedures 12 Removing the MDC Installing the Modem Daughter Card CPU CPU Replacement ProceduresRemoving the CPU Replacement Procedures CPU Remove the cooling module 16 Removing the CPU Installing the CPU Seat the cooling module on the CPU Keyboard Keyboard Replacement ProceduresRemoving the Keyboard Replacement Procedures Keyboard 19 Removing screws securing the keyboard 20 Removing the metal plate 21 Removing the keyboard Connect the keyboard cable to PJ123 on the system board Installing the KeyboardSecure the keyboard with two M2.5⋅3 black flat-head screws Switch Board Replacement Procedures Switch BoardRemoving the Switch Board Remove two M2.5⋅3 black flat-head screws Switch Board Replacement Procedures Installing the Switch Board Replacement Procedures Speakers SpeakersRemoving the Speakers Remove two M2.5⋅16 black screws Speakers Replacement Procedures 24 Removing the speakers Installing the Speakers Palm Rest Replacement Procedures Palm RestRemoving the Palm Rest Remove seven M2.5⋅12 black screws Replacement Procedures Palm Rest 26 Removing the palm rest Installing the Palm Rest Secure seven M2.5⋅12 black screws Touch Pad Replacement Procedures Touch PadRemoving the Touch Pad Touch Pad Replacement Procedures Installing the Touch PadConnect the pad cable to the connector on the touch pad Remove the touch pad cover and touch pad Replacement Procedures Internal Microphone Installing the Internal MicrophoneInternal Microphone Removing the Internal Microphone Bluetooth Module Replacement Procedures Bluetooth ModuleRemoving the Bluetooth Module Replacement Procedures Bluetooth Module Installing the Bluetooth Module Wireless LAN Mini PCI Card Wireless LAN Mini PCI Card Replacement ProceduresRemoving the Wireless LAN Mini PCI Card Grasp the wireless LAN Mini PCI card and pull it out Replacement Procedures Wireless LAN Mini PCI Card Installing the Wireless LAN Mini PCI Card Top Cover with Display Assembly Replacement Procedures Top Cover with Display AssemblyRemoving the Top Cover with Display Assembly Replacement Procedures Top Cover with Display Assembly 33 Disconnecting the cable 34 Removing the screws from the top cover 35 Removing the top cover with display assembly Installing the Top Cover with Display Assembly Installing the Sound Board Sound BoardRemoving the Sound Board Remove two M2.5⋅4 screws securing the sound board Cooling Fan Cooling Fan Replacement ProceduresRemoving the Cooling Fan Replacement Procedures Cooling Fan Installing the Cooling Fan RTC Battery RTC Battery Replacement Procedures Removing the RTC Battery Replacement Procedures RTC BatteryInstalling the RTC Battery System Board System Board Replacement ProceduresRemoving the System Board Replacement Procedures System Board 40 Removing the system board Installing the System Board Seat the AC adaptor jack Installing the VGA Board VGA BoardRemoving the VGA Board Remove three M2⋅4 screws securing the VGA board USB Board Replacement Procedures Installing the USB BoardUSB Board Removing the USB Board Display Mask Replacement Procedures Display MaskRemoving the Display Mask Display Mask Replacement Procedures 45 Removing the display mask Installing the Display Mask FL Inverter Board FL Inverter Board Replacement ProceduresRemoving the FL Inverter Board Replacement Procedures FL Inverter Board 47 Removing the FL inverter board Installing the FL Inverter Board LCD Module Replacement Procedures LCD ModuleRemoving the LCD Module LCD Module Replacement Procedures 49 Removing the LCD module 50 Removing the metal braces Installing the LCD Module Antenna Coaxial Cables Replacement Procedures Antenna Coaxial CablesRemoving the Antenna Coaxial Cables Antenna Coaxial Cables Replacement Procedures Turn over the insulator securing the antenna coaxial cables 53 Removing the antennas Installing the Antenna Coaxial Cables 26 LCD/FL Cable Replacement Procedures 26 LCD/FL CableRemoving the LCD/FL Cable 26 LCD/FL Cable Replacement Procedures Remove one M2.5⋅6 tapping screw securing the metal brace Installing the LCD/FL Cable 56 Removing the LCD/FL cable TFT FL Model 14.1 XGA Samsung LTN141XF-L02 Removing the TFT FL Model 14.1 XGA Samsung LTN141XF-L02 58 Removing the two screws for fixing the power supply board 59 Releasing the 18 hooks 60 Removing the panel assembly 61 Removing the panel assembly 62 Removing the screws for fixing the FL tube back cover 63 Disconnecting the FL tube ground wire 64 Removing the FL tube Installing the TFT FL Model 14.1 XGA Samsung LTN141XF-L02 Removing the TFT FL Model 14.1 XGA LG. Philips LP141X7-C1TO TFT FL Model 14.1 XGA LG. Philips LP141X7-C1TORemoving the outside tape/cover tape 65 Removing the outside tape/cover tape Removing the control PCB, top case and cover assembly 66 Removing the control PCB, top case and cover assembly Removing the source PCB and gate PCB 67 Removing the source PCB and gate PCB Satellite Pro M10 Series Maintenance Manual Board Assembly6060L-C017 Satellite Pro M10 Series Maintenance Manual Satellite Pro M10 Series Maintenance Manual Attaching the source PCB and gate PCB 70 Attaching the source PCB and gate PCB Screw1STZL-0001H Attaching the outside tape and cover shield 72 Attaching the outside tape and cover shield TFT FL Model 15.0 XGA Samsung LTN150X6-L01 Removing the TFT FL Model 15.0 XGA Samsung LTN150X6-L01 74 Removing the screws securing the PCB 76 Removing the top chassis 77 Removing the panel assembly 78 Removing one screw, two clips, tape and six sheets 79 Removing the lamp cover 80 Freeing the HV cable 81 Removing the FL assembly Installing the TFT FL Model 15.0 XGA Samsung LTN150X6-L01 Seat the panel assembly on the back light assembly TFT FL Model 15.0 XGA LG. Philips LP150X06 A2 Removing the TFT FL Model 15.0 XGA LG. Philips LP150X06 A2 83 Disassembly of Top case 84 Disassembly of Source PCB and Gate PCB 114 Satellite Pro M10 Series Maintenance Manual Installing the TFT FL Model 15.0 XGA LG. Philips LP150X06 A2 87 Assembly of Source PCB and Gate PCB 88 Assembly of Cover Ass’y and Top Case 89 Assembly of outside Tape and Cover shield TFT FL Model 15.0 XGA Chi Mei N150X2-L01 Removing the TFT FL Model 15.0 XGA Chi Mei N150X2-L01 91 Removing the screws securing the X-PCB and metal frame 92 Removing the frame 93 Removing the panel 94 Removing the sheets 95 Removing the FL Installing the TFT FL Model 15.0 XGA Chi Mei N150X2-L01 TFT FL Model 15.0 SXGA+ Samsung LTN150P3-L03 Removing the TFT FL Model 15.0 SXGA+ Samsung LTN150P3-L03 97 Removing the screws securing the PCB 98 Removing screws securing the chassis 99 Removing the top chassis 100 Removing the panel assembly 101 Removing one screw, two clips, tape and six sheets 102 Removing the lamp cover 103 Freeing the HV cable 104 Removing the FL assembly Installing the TFT FL Model 15.0 SXGA+ Samsung LTN150P3-L03 TFT FL Model 15.0 SXGA+ Sharp LQ150F1LH43 Removing the TFT FL Model 15.0 SXGA+ Sharp LQ150F1LH43 106 Removing the screws 108 Folding out the PCBs 109 Removing the LCD panel 110 Removing the lamp cover 111 Removing the sheets 113 Removing the FL Installing the TFT FL Model 15.0 SXGA+ Sharp LQ150F1LH43 114 Applying the double-faced tape 115 Installing the FL 116 Installing the lamp cover 118 Installing the sheets 119 Installing the LCD panel 120 Folding down the PCBs 121 Securing the PCBs and connecting the FPC 122 Installing the top frame 123 Securing the screws 16. Apply the protective cover-G 125 Applying the protective cover-S 126 Applying the tapes TFT FL Model 15.0 Uxga Sharp LQ150U1LW13 Removing the TFT FL Model 15.0 Uxga Sharp LQ150U1LW13 128 Removing the screws 131 Folding out the PCBs 132 Removing the LCD panel 134 Removing the sheets Installing the TFT FL Model 15.0 Uxga Sharp LQ150U1LW13 136 Installing the FL 137 Installing the lamp cover Install the light guide sheet in the backlight unit 139 Installing the sheet 140 Installing the LCD panel 142 Securing the TCPs and connecting the FPC 143 Installing the top frame 145 Securing the screws Apply the protective cover-G 147 Applying the protective cover-S and taps Appendices Appendices Appendix Contents App-iv Appendix H EC/KBC Rewrite Procedures Figure B-1 System board FQDSY* layout front Table B-1 Table B-2Table B-3 Table B-4 Table D-7 Precautions for handling the LCD module Appendix a Handling the LCD Module CRT Appendix a Handling the LCD Module Appendix a Handling the LCD Module Appendix a Handling the LCD Module Appendix a Handling the LCD Module System Board FQDSY* Front View Appendix B Board Layout Appendices Mark Number Name HDD LED System Board FQDSY* Back View Appendices Appendix B Board Layout Mark Number Name Mark Number Name VGA Board FQDVG* Front View VGA Board FQDVG* Back View Sound Board FQDSD* Front View Sound Board FQDSD* Back View USB Board FQDUB* Back View Appendices Appendix B Board Layout Appendix C Pin Assignments Apx.C Pin Assignments Appendices AGTRDY-PQN AV-PXP PJ117 Slim Select Bay I/F Connector 72-pin PJ123 Keyboard I/F Connector 34-pin PJ124 RJ-45 & RJ-11 I/F Connector 14-pinPJ326 Debug Port I/F Connector 4-pin Not mount Table C-3 Keyboard I/F connector pin assignments 34-pin PJ1001 SO-DIMM Socket Connector 0 200-pin GND SDQ26R-B2P SDQ30R-B2P SDQ27R-B2P SDQ31R-B2P SDQ38R-B2P PJ1002 SO-DIMM Socket Connector 1 200-pin SCB6B-B2P SCB7B-B2P GND SCK4-B2N PJ1016 RGB I/F Connector 15-pin PJ1509 HDD I/F Connector 44-pinTable C-8 RGB interface connector pin assignments 15-pin Table C-9 HDD I/F connector pin assignments 44-pin 10 PJ1512 PC Card I/F Connector 150-pin Table C-10 PC Card I/F connector pin assignments 150-pin 1/2 GND PJ2003 Touch Pad I/F Connector 8-pin 12 PJ2007 Docking I/F Connector 242-pinTable C-11 Touch Pad I/F connector pin assignments 8-pin Apx.C Pin AssignmentsAppendices DSSCL-S5P DTPB-B3P RTS-PYP PJ2015 Mini PCI Card I/F Connector 124-pin CBE1-P3N GND PJ2018 Modem Cable I/F Connector 2-pin 14 PJ2017 MDC I/F Connector 30-pinTable C-14 MDC I/F connector pin assignments 30-pin 17 PJ2025 Switch Board FQDSQ* I/F Connector 14-pin 16 PJ2020 Parallel I/F Connector 25-pinTable C-16 Parallel I/F connector pin assignments 25-pin 18 PJ2040 USB Board FQDUB* I/F Connector 30-pin PJ4015 Video Out I/F Connector 2-pin 20 PJ4900 Bluetooth I/F Connector 20-pin PJ5004 Right Speaker I/F Connector 2-pinTable C-20 Bluetooth I/F connector pin assignments 20-pin Table C-22 Left speaker I/F connector pin assignments 3-pin 23 PJ5006 Sound Board FQDSD* I/F Connector 60-pin 25 PJ8770 Cooling fan I/F Connector 3-pin 24 PJ6100 Ieee 1394 I/F Connector 4-pin26 PJ8800 DC-IN I/F Connector 4-pin PJ8810 Battery I/F Connector 10-pin IS4004 SD Card I/F Connector 13-pinTable C-27 Battery I/F connector pin assignments 10-pin Table C-28 RTC battery I/F connector pin assignments 2-pin VGA Board Fqdvg 30 PJ4205 LCD I/F Connector 40-pin Table C-30 LCD I/F connector pin assignments 40-pin 31 PJ5500 System Board FQDSY* I/F Connector 200-pin GND 159 1R5-P1V 160 161 162 163 164 PJ5003 Headphone I/F Connector 6-pin PJ5002 Internal Microphone I/F Connector 2-pinTable C-34 Headphone I/F connector pin assignments 6-pin 35 PJ5007 System Board FQDSY* I/F Connector 60-pin 37 PJ2042 System Board FQDSY* I/F Connector 30-pin USB Board Fqdub 36 PJ2033 USB I/F Connector 8-pinTable C-36 USB I/F connector pin assignments 8-pin Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 1/4 Caps Lock Enter Shift L No.102 ALT R 122 F11 123 F12 124 PrintSc 126 Pause 202 203 Win 204 App With left Shift With right Shift Set AA E0 2A E0 F0 12 E0 Table D-4 Scan codes with Fn key Table D-6 No.124 key scan code This key generates only make codes United Kingdom UK Keyboard United States US KeyboardAppendix E Key Layout German GR Keyboard French FR Keyboard Spanish SP Keyboard Italian IT Keyboard Scandinavian SC Keyboard Swiss-German SL Keyboard Canadian CS Keyboard Figure E-9 CS keyboard Appendix E Key Layout Serial Port Wraparound Connector Parallel Port Wraparound ConnectorAppendix F Wiring Diagrams Serial Port Direct Cable 9-Pin to 9-Pin Serial Port Direct Cable 9-Pin to 25-Pin Rewriting the Bios Appendix G Bios Rewrite ProceduresTools Appendix G Bios Rewrite Procedures Appendix H EC/KBC Rewrite Procedures Rewriting the EC/KBC Appendix H EC/KBC Rewrite Procedures Appendix I Reliability Appendix I Reliability Appendix I Reliability