Removing the CPU | Toshiba M10 guide

4.6 CPU

4 Replacement Procedures

5. Lift up the CPU.

CPU

Figure 4-16 Removing the CPU

Satellite Pro M10 Series Maintenance Manual (960-431)

4-27

Image 239

Toshiba M10 manual Removing the CPU

Contents

File Number Toshiba Corporation Trademarks CopyrightDisclaimer Preface Safety Precautions Satellite Pro M10 Series Maintenance Manual Acronyms Conventions Satellite Pro M10 Series Maintenance Manual Table of Contents Tests and Diagnostics Replacement Procedures Appendices Hardware Overview Hardware Overview Chapter Contents Tables Figures Features Hardware Overview Features Hardware Overview Features Features Hardware Overview Hardware Overview Features Features Hardware Overview Front of the computer System unit configuration Hardware Overview System Unit Block Diagram 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 Hardware Overview 3.5-inch Floppy Disk Drive 3.5-inch Floppy Disk Drive 2.5-inch Hard Disk Drive Hardware Overview 2.5-inch Hard Disk Drive Hardware Overview DVD-ROM Dvive DVD-ROM Drive Multi Drive Hardware Overview Multi Drive Hardware Overview Multi Drive Multi drive specifications 2/2 DVD Multi Drive Hardware Overview DVD Multi Drive Hardware Overview Power Supply Power Supply LB2 Power Supply Hardware Overview Stand by Power off No battery Power supply board output rating Batteries Battery specificationsMain Battery Battery LED Main Battery Time required for quick charges Battery Charging ControlHardware Overview Batteries RTC battery charging/data preservation time RTC battery Hardware Overview Batteries Chapter Troubleshooting Procedures Troubleshooting Procedures Chapter Contents Troubleshooting Procedures Troubleshooting flowchart Printer port LED Troubleshooting Procedures Troubleshooting Troubleshooting Procedures Troubleshooting Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting flowchart 1/2 Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting flowchart 2/2 Troubleshooting Procedures Troubleshooting Flowchart Battery LED Power Supply TroubleshootingPower Supply Troubleshooting Troubleshooting Procedures Procedure 1 Power Status Check DC in LED Error code Meaning Procedure 2 Error Code Check 1st Battery Troubleshooting Procedures Power Supply Troubleshooting 1R5-C1V output BGVSNS-B1P output 1R2-P1V output Troubleshooting Procedures Power Supply Troubleshooting Power supply wiring diagram is shown below Procedure 3 Connection Check Result code Contents Check items Procedure 4 Quick Charge Check Procedure 5 Replacement Check Troubleshooting Procedures System Board Troubleshooting System Board Troubleshooting Procedure 1 Message Check System Board Troubleshooting Troubleshooting Procedures KBC Error HDC Error Printer port LED Procedure 2 Printer Port LED Check on Boot Mode 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 4 Replacement Check Procedure 3 Diagnostic Test Program Execution Check Procedure 1 FDD Head Cleaning Check FDD TroubleshootingTroubleshooting Procedures FDD Troubleshooting FDD error code and status FDD Troubleshooting Troubleshooting ProceduresProcedure 2 Diagnostic Test Program Execution Check Procedure 3 Connector Check and Replacement Check HDD Troubleshooting Troubleshooting Procedures HDD Troubleshooting Procedure 2 Partition Check Troubleshooting Procedures HDD Troubleshooting Procedure 3 Format Check Hard disk drive error code and status Procedure 4 Diagnostic Test Program Execution Check Procedure 5 Connector Check and Replacement Check Procedure 1 External Keyboard Check Keyboard TroubleshootingTroubleshooting Procedures Keyboard Troubleshooting Procedure 3 Connector and Replacement Check Keyboard Troubleshooting Troubleshooting Procedures Switch board PJ2025 System board Switch board I/F cable Procedure 1 External Monitor Check Display TroubleshootingDisplay Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Display Troubleshooting Procedure 1 Drive Cleaning Check Optical Disk Drive Troubleshooting Optical Disk Drive Slim Select Bay PJ117 System board Procedure 1 Diagnostic Test Program Execution Check Modem TroubleshootingModem Troubleshooting Troubleshooting Procedures Procedure 2 Connector Check and Replacement Check Troubleshooting Procedures Modem Troubleshooting LAN Troubleshooting Troubleshooting Procedures LAN Troubleshooting Troubleshooting Procedures LAN Troubleshooting Sound Troubleshooting Troubleshooting Procedures Sound Troubleshooting Procedure 2 Connector Check Troubleshooting Procedures Sound Troubleshooting Procedure 3 Replacement Check Troubleshooting Procedures Bluetooth Troubleshooting Bluetooth Troubleshooting Bluetooth Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Wireless LAN Troubleshooting 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 Tests and Diagnostics Diagnostic Test Tests and Diagnostics Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test Test Loop YES/NO Following message will appear Subtest Names Subtest Names Tests and Diagnostics Async Tests and Diagnostics Subtest Names Subtest names 2/3 Modem LAN Subtest Names Tests and Diagnostics Subtest names 3/3 System Test Tests and Diagnostics System Test System Test Tests and Diagnostics CPU Temp = XX deg C Throttling level = XXXXh Memory Test Memory Test Tests and Diagnostics Satellite Pro M10 Series Maintenance Manual Keyboard Test Keyboard Test Tests and Diagnostics Keyboard Test in Progress Tests and Diagnostics Keyboard Test Keyboard Test Tests and Diagnostics Subtest Touch Pad Peripheral IPS Display Test Tests and Diagnostics Display Test Display Test Tests and Diagnostics Break Display Test Tests and Diagnostics Printer Test Tests and Diagnostics Printer Test Satellite Pro M10 Series Maintenance Manual RS-232C direct cable is described in Appendix F Tests and Diagnostics Async TestOther set as receive subtest 03. The wiring diagram for Async Test Async Test Tests and Diagnostics Hard Disk Test Tests and Diagnostics Hard Disk Test Hard Disk Test Tests and Diagnostics Worst pattern data Cylinder Real Timer Test Tests and Diagnostics Real Timer Test Tests and Diagnostics Real Timer Test NDP Test NDP Test Tests and Diagnostics Select the slot to test Tests and Diagnostics Expansion TestExpansion Test CD-ROM/DVD-ROM Test CD-ROM/DVD-ROM Test Tests and Diagnostics LAN Test Tests and Diagnostics LAN Test Wireless LAN Test Agere Tests and Diagnostics Wireless LAN Test Agere Transmit test Tests and Diagnostics Wireless LAN Test Agere Receive test Tests and Diagnostics Wireless LAN Test Agere This Card is WEP Press any key to continue Tests and Diagnostics Wireless LAN Test Atheros Wireless LAN Test Atheros Setting the tester machine Wireless LAN Test Atheros Tests and DiagnosticsSetting the responder machine Then the test returns to the main menu automatically Sound/LAN/Modem Test Sound/LAN/Modem Test Tests and Diagnostics XXX XXX XX Xxxxxx Tests and Diagnostics Sound/LAN/Modem Test Subtest is executed, the following message appears Completed Tests and Diagnostics Sound/LAN/Modem Test Subtest LAN Test Sound/LAN/Modem Test Tests and Diagnostics Subtest IEEE1394 Test Program Tests and Diagnostics IEEE1394 Test Program Satellite Pro M10 Series Maintenance Manual Tests and Diagnostics Bluetooth Test 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 for Bluetooth test Bdaddr of the DUT 1/2 Error code See the Specification of the Bluetooth System in detail Error Code and Error Status Names Tests and Diagnostics Error Code and Error Status Names FDD CD/DVD-ROM Hard Disk Test Detail Status Tests and Diagnostics Hard Disk Test Detail StatusHard disk controller status register contents BBK1 Operations Head CleaningTests and Diagnostics Head Cleaning Function Description Log Utilities Log Utilities Tests and Diagnostics Tests and Diagnostics Log Utilities Running Test Running Test Tests and Diagnostics Tests and Diagnostics Running Test Floppy Disk Drive Utilities Floppy Disk Drive Utilities Tests and Diagnostics Tests and Diagnostics Floppy Disk Drive Utilities Floppy Disk Format & Copy Select a drive number. Then the following message appears HDD-ID Read Tests and Diagnostics System Configuration System Configuration COM2= COM3= System Configuration Tests and Diagnostics Tests and Diagnostics Setup Setup Setup Tests and Diagnostics Memory Boot Priority Accessing the Setup Program Setup Tests and Diagnostics Password Write Policy in the CPU Cache Moving Within the Setup Menu and Changing ValuesAccepting Changes and Exiting the Setup Window Factory Preset Configuration Setup Options Maximum performance Disabled Disables display automatic power offBattery optimized Bright Full brightness for high visibility FDD →HDD →CD-ROM →LAN PXE Sets to PXE protocol Default Boot Turns on boot mode. Default Resume Turns on resume mode Ntscus Default Always Low Always High All Devices Setup by OS COM level PCI BUS = IRQ10, IRQ11 No Drive Disabled Disables the feature. Default Enabled Enables the feature Standard IDE Std. Bi-DirectEnhanced IDE Normal 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 General Replacement Procedures Safety Precautions Replacement Procedures General Before You Begin Assembly Procedures Disassembly Procedures Tools and Equipment M2.5⋅6 Giza Tite Screw Tightening Torque Marking of Screws on the Computer Body Color of Screw Shaft Removing the battery Removing the Battery Pack Installing the Battery Pack Removing an Optional PC Card Installing an Optional PC Card Removing an Optional SD Card Installing an Optional SD Card Lift off the memory slot cover Replacement Procedures Memory ModulesMemory Modules Removing a Memory Module Removing the memory modules Memory Modules Replacement Procedures Installing a Memory Module Removing the HDD HDD Replacement ProceduresHDD Removing the HDD pack Replacement Procedures HDD Removing screws and HDD bracket Secure the bracket with four M3⋅4 silver flat-head screws Installing the HDD Removing the Slim Select Bay Module Slim Select Bay Module Replacement ProceduresSlim Select Bay Module 10 Disassembling the optical disk drive Replacement Procedures Slim Select Bay Module Installing the Slim Select Bay Module Removing the Modem Daughter Card Replacement Procedures Modem Daughter CardModem Daughter Card 12 Removing the MDC Modem Daughter Card Replacement Procedures Installing the Modem Daughter Card Removing the CPU CPU Replacement ProceduresCPU Remove the cooling module Replacement Procedures CPU 16 Removing the CPU Seat the cooling module on the CPU Installing the CPU Removing the Keyboard Keyboard Replacement ProceduresKeyboard 19 Removing screws securing the keyboard Replacement Procedures Keyboard 20 Removing the metal plate 21 Removing the keyboard Secure the keyboard with two M2.5⋅3 black flat-head screws Installing the KeyboardConnect the keyboard cable to PJ123 on the system board Remove two M2.5⋅3 black flat-head screws Switch BoardReplacement Procedures Switch Board Removing the Switch Board Installing the Switch Board Switch Board Replacement Procedures Remove two M2.5⋅16 black screws Replacement Procedures SpeakersSpeakers Removing the Speakers 24 Removing the speakers Speakers Replacement Procedures Installing the Speakers Remove seven M2.5⋅12 black screws Palm Rest Replacement ProceduresPalm Rest Removing the Palm Rest 26 Removing the palm rest Replacement Procedures Palm Rest Secure seven M2.5⋅12 black screws Installing the Palm Rest Removing the Touch Pad Replacement Procedures Touch PadTouch Pad Remove the touch pad cover and touch pad Touch Pad Replacement ProceduresInstalling the Touch Pad Connect the pad cable to the connector on the touch pad Removing the Internal Microphone Replacement Procedures Internal MicrophoneInstalling the Internal Microphone Internal Microphone Removing the Bluetooth Module Bluetooth ModuleBluetooth Module Replacement Procedures Installing the Bluetooth Module Replacement Procedures Bluetooth Module Grasp the wireless LAN Mini PCI card and pull it out Wireless LAN Mini PCI CardWireless LAN Mini PCI Card Replacement Procedures Removing the Wireless LAN Mini PCI Card Installing the Wireless LAN Mini PCI Card Replacement Procedures Wireless LAN Mini PCI Card Removing the Top Cover with Display Assembly Top Cover with Display AssemblyTop Cover with Display Assembly Replacement Procedures 33 Disconnecting the cable Replacement Procedures Top Cover with Display Assembly 34 Removing the screws from the top cover 35 Removing the top cover with display assembly Installing the Top Cover with Display Assembly Remove two M2.5⋅4 screws securing the sound board Installing the Sound BoardSound Board Removing the Sound Board Removing the Cooling Fan Cooling Fan Replacement ProceduresCooling Fan Installing the Cooling Fan Replacement Procedures Cooling Fan RTC Battery Replacement Procedures RTC Battery Installing the RTC Battery Replacement Procedures RTC BatteryRemoving the RTC Battery Removing the System Board System Board Replacement ProceduresSystem Board 40 Removing the system board Replacement Procedures System Board Seat the AC adaptor jack Installing the System Board Remove three M2⋅4 screws securing the VGA board Installing the VGA BoardVGA Board Removing the VGA Board Removing the USB Board USB Board Replacement ProceduresInstalling the USB Board USB Board Removing the Display Mask Replacement Procedures Display MaskDisplay Mask 45 Removing the display mask Display Mask Replacement Procedures Installing the Display Mask Removing the FL Inverter Board FL Inverter Board Replacement ProceduresFL Inverter Board 47 Removing the FL inverter board Replacement Procedures FL Inverter Board Installing the FL Inverter Board Removing the LCD Module Replacement Procedures LCD ModuleLCD Module 49 Removing the LCD module LCD Module Replacement Procedures 50 Removing the metal braces Installing the LCD Module Removing the Antenna Coaxial Cables Replacement Procedures Antenna Coaxial CablesAntenna Coaxial Cables Turn over the insulator securing the antenna coaxial cables Antenna Coaxial Cables Replacement Procedures 53 Removing the antennas Installing the Antenna Coaxial Cables Removing the LCD/FL Cable Replacement Procedures 26 LCD/FL Cable26 LCD/FL Cable Remove one M2.5⋅6 tapping screw securing the metal brace 26 LCD/FL Cable Replacement Procedures 56 Removing the LCD/FL cable Installing the LCD/FL Cable Removing the TFT FL Model 14.1 XGA Samsung LTN141XF-L02 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 outside tape/cover tape TFT FL Model 14.1 XGA LG. Philips LP141X7-C1TORemoving the TFT FL Model 14.1 XGA LG. Philips LP141X7-C1TO 65 Removing the outside tape/cover tape 66 Removing the control PCB, top case and cover assembly Removing the control PCB, top case and cover assembly 67 Removing the source PCB and gate PCB 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 70 Attaching the source PCB and gate PCB Attaching the source PCB and gate PCB Screw1STZL-0001H Attaching the outside tape and cover shield 72 Attaching the outside tape and cover shield Removing the TFT FL Model 15.0 XGA Samsung LTN150X6-L01 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 Seat the panel assembly on the back light assembly Installing the TFT FL Model 15.0 XGA Samsung LTN150X6-L01 Removing the TFT FL Model 15.0 XGA LG. Philips LP150X06 A2 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 Removing the TFT FL Model 15.0 XGA Chi Mei N150X2-L01 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 Removing the TFT FL Model 15.0 SXGA+ Samsung LTN150P3-L03 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 Removing the TFT FL Model 15.0 SXGA+ Sharp LQ150F1LH43 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 114 Applying the double-faced tape Installing the TFT FL Model 15.0 SXGA+ Sharp LQ150F1LH43 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 Removing the TFT FL Model 15.0 Uxga Sharp LQ150U1LW13 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 136 Installing the FL Installing the TFT FL Model 15.0 Uxga Sharp LQ150U1LW13 Install the light guide sheet in the backlight unit 137 Installing the lamp cover 139 Installing the sheet 140 Installing the LCD panel 142 Securing the TCPs and connecting the FPC 143 Installing the top frame Apply the protective cover-G 145 Securing the screws 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-4 Table B-1Table B-2 Table B-3 Table D-7 Appendix a Handling the LCD Module Precautions for 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 Appendix B Board Layout Appendices System Board FQDSY* Front View Mark Number Name HDD LED Appendices Appendix B Board Layout System Board FQDSY* Back View 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 Apx.C Pin Assignments Appendices Appendix C Pin Assignments AGTRDY-PQN AV-PXP PJ117 Slim Select Bay I/F Connector 72-pin Table C-3 Keyboard I/F connector pin assignments 34-pin PJ123 Keyboard I/F Connector 34-pinPJ124 RJ-45 & RJ-11 I/F Connector 14-pin PJ326 Debug Port I/F Connector 4-pin Not mount 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 Table C-9 HDD I/F connector pin assignments 44-pin PJ1016 RGB I/F Connector 15-pinPJ1509 HDD I/F Connector 44-pin Table C-8 RGB interface connector pin assignments 15-pin Table C-10 PC Card I/F connector pin assignments 150-pin 1/2 10 PJ1512 PC Card I/F Connector 150-pin GND Apx.C Pin AssignmentsAppendices PJ2003 Touch Pad I/F Connector 8-pin12 PJ2007 Docking I/F Connector 242-pin Table C-11 Touch Pad I/F connector pin assignments 8-pin DSSCL-S5P DTPB-B3P RTS-PYP PJ2015 Mini PCI Card I/F Connector 124-pin CBE1-P3N GND Table C-14 MDC I/F connector pin assignments 30-pin 14 PJ2017 MDC I/F Connector 30-pinPJ2018 Modem Cable I/F Connector 2-pin Table C-16 Parallel I/F connector pin assignments 25-pin 16 PJ2020 Parallel I/F Connector 25-pin17 PJ2025 Switch Board FQDSQ* I/F Connector 14-pin PJ4015 Video Out I/F Connector 2-pin 18 PJ2040 USB Board FQDUB* I/F Connector 30-pin Table C-22 Left speaker I/F connector pin assignments 3-pin 20 PJ4900 Bluetooth I/F Connector 20-pinPJ5004 Right Speaker I/F Connector 2-pin Table C-20 Bluetooth I/F connector pin assignments 20-pin 23 PJ5006 Sound Board FQDSD* I/F Connector 60-pin 26 PJ8800 DC-IN I/F Connector 4-pin 24 PJ6100 Ieee 1394 I/F Connector 4-pin25 PJ8770 Cooling fan I/F Connector 3-pin Table C-28 RTC battery I/F connector pin assignments 2-pin PJ8810 Battery I/F Connector 10-pinIS4004 SD Card I/F Connector 13-pin Table C-27 Battery I/F connector pin assignments 10-pin Table C-30 LCD I/F connector pin assignments 40-pin VGA Board Fqdvg 30 PJ4205 LCD I/F Connector 40-pin 31 PJ5500 System Board FQDSY* I/F Connector 200-pin GND 159 1R5-P1V 160 161 162 163 164 Table C-34 Headphone I/F connector pin assignments 6-pin PJ5002 Internal Microphone I/F Connector 2-pinPJ5003 Headphone I/F Connector 6-pin 35 PJ5007 System Board FQDSY* I/F Connector 60-pin Table C-36 USB I/F connector pin assignments 8-pin USB Board Fqdub 36 PJ2033 USB I/F Connector 8-pin37 PJ2042 System Board FQDSY* I/F Connector 30-pin Table D-1 Scan codes set 1 and set 2 1/4 Appendix D Keyboard Scan/Character Codes 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 Appendix E Key Layout United States US KeyboardUnited Kingdom UK Keyboard French FR Keyboard German GR Keyboard Italian IT Keyboard Spanish SP Keyboard Swiss-German SL Keyboard Scandinavian SC Keyboard Figure E-9 CS keyboard Canadian CS Keyboard Appendix E Key Layout Appendix F Wiring Diagrams Parallel Port Wraparound ConnectorSerial Port Wraparound Connector Serial Port Direct Cable 9-Pin to 25-Pin Serial Port Direct Cable 9-Pin to 9-Pin Tools Appendix G Bios Rewrite ProceduresRewriting the Bios Appendix G Bios Rewrite Procedures Rewriting the EC/KBC Appendix H EC/KBC Rewrite Procedures Appendix H EC/KBC Rewrite Procedures Appendix I Reliability Appendix I Reliability Appendix I Reliability