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Toshiba A3X manual Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+

Models: A3X

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4.23 Fluorescent Lamp

Replacement Procedures

Source PCB

Gate PCB

Figure 4-95 Replacing 15.0 Inch LG.Philips fluorescent lamp (SXGA+) (3)

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

[CONFIDENTIAL]

4-107

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Toshiba A3X manual Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+

Contents

File Number Toshiba CorporationCopyright Preface Safety PrecautionsConfidential Acronyms ConventionsTable of Contents Only ONE Test Chapter Tests and DiagnosticsAppendices ChapterConfidential Confidential Hardware Overview Hardware Overview Chapter Contents Tables FiguresTime required for charges of RTC battery Hardware Overview Features Hardware Overview Features‰ Vram Hardware Overview Features‰ LAN/MODEM Shows the front of the computer Shows the system units configuration Hardware Overview System Block Diagram System Block Diagram‰ CPU System Block Diagram Hardware OverviewGpio System Block Diagram Hardware Overview Hardware Overview 3.5-inch USB Floppy Disk Drive 3.5-inch USB Floppy Disk Drive2.5-inch Hard Disk Drive 2.5-inch HDD dimensions 2/22.5-inch Hard Disk Drive Hardware Overview Standard96.6 113.2 2.5-inch HDD specifications 2/2G8CC0002R220 CD-ROM DriveCD-ROM Drive Hardware Overview Specifications Items Hardware Overview CD-ROM Drive CD-ROM drive specificationsG8CC0002W220 G8CC0002E220 DVD-ROM DriveDVD-ROM Drive Hardware Overview G8CC0002W220 SpecificationsDVD+R, DVD+RW, DVD-RAM 2.6GB/4.7GB Hardware Overview DVD-ROM & CD-R/RW Drive DVD-ROM & CD-R/RW DriveItems Standard PanasonicItems Panasonic G8CC0002J220 CD-ROM, CD-R, CD-RW, CD-Audio Disc DVD Super Multi drive Hardware Overview DVD Super Multi driveItems Standards G8CC0002T220 G8CC0002S2202MB CD-DA, CD-ROM, CD-ROM XA Specifications Panasonic G8CC0002T220CD-DA, CD-ROM, CD-ROM XA, CD-I, Video CD Hardware Overview Keyboard KeyboardLCD Module TFT Color DisplayTFT Color Display Hardware Overview 12 LCD module specifications 15.0-inch SXGA+ TFT 2/2 FL Inverter Board 13 FL inverter board specificationsHardware Overview Power Supply Power Supply1R5-E1V Power Supply Hardware Overview Power supply output rating1R8-B1V Main Battery Battery specificationsBatteries Hardware Overview Batteries16 Time required for charges of main battery Battery Charging Control17 Battery preservation time Batteries Hardware OverviewCondition Time RTC Battery18 Time required for charges of RTC battery 19 AC adapter specifications 2/2 19 AC adapter specifications 1/2AC Adapter AC Adapter Hardware OverviewHardware Overview AC Adapter Chapter Troubleshooting Procedures Troubleshooting Procedures Power Status Check Troubleshooting Procedures Troubleshooting flowchart Set of tool for debug port test Troubleshooting Procedures Troubleshooting Troubleshooting Procedures TroubleshootingTroubleshooting Procedures Troubleshooting Flowchart Troubleshooting FlowchartTroubleshooting flowchart 1/2 Troubleshooting Flowchart Troubleshooting ProceduresTroubleshooting flowchart 2/2 Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Procedures Power Supply Troubleshooting Power Supply TroubleshootingProcedure 1 Power Status Check Battery iconPower Supply Troubleshooting Troubleshooting Procedures Error code Where Error occurs Procedure 2 Error Code CheckError code Meaning ‰ DC power supply AC adapter‰ E5V output P61 ‰ PPV output P65 ‰ PTV output P75 Procedure 4 Charging Check Procedure 3 Connection CheckProcedure 5 Replacement Check System Board Troubleshooting Troubleshooting Procedures System Board TroubleshootingProcedure 1 Message Check Troubleshooting Procedures System Board TroubleshootingKBC Error HDC Error A set of tool for debug port test Procedure 2 Debug Port CheckPort Inspection items Details Status Memori Clear CHGFIRMA.EXE Irtbiossignchk Irtinismbaseend Irtinipciend Port Inspection items Details Port status Inspection items Details Ffffh Procedure 4 Replacement Check Procedure 3 Diagnostic Test Program Execution CheckProcedure 1 FDD Head Cleaning Check 3.5 FDD Troubleshooting3.5 FDD Troubleshooting Troubleshooting Procedures Procedure 2 Diagnostic Test Program Execution Check Troubleshooting Procedures 3.5 FDD TroubleshootingFDD error code and status Code StatusFlkcs PCB Procedure 3 Connector Check and Replacement CheckProcedure 1 Partition Check 2.5 HDD TroubleshootingTroubleshooting Procedures 2.5 HDD Troubleshooting Procedure 2 Message Check 2.5 HDD Troubleshooting Troubleshooting ProceduresProcedure 3 Format Check 2.5 Hard disk drive error code and status Procedure 4 Diagnostic Test Program Execution CheckProcedure 5 Connector Check and Replacement Check Keyboard Troubleshooting Troubleshooting Procedures Keyboard TroubleshootingProcedure 1 Diagnostic Test Program Execution Check Procedure 2 Connector Check and Replacement CheckProcedure 1 External Monitor Check Display TroubleshootingTroubleshooting Procedures Display Troubleshooting Procedure 3 Connector and Cable Check Display Troubleshooting Troubleshooting ProceduresLCD module FL inverter System board CN5000Procedure 4 Replacement Check Procedure 2 Connector Check & Replacement Check Touch Pad TroubleshootingTouch Pad Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Optical Drive Troubleshooting Optical Drive TroubleshootingModem Troubleshooting Troubleshooting Procedures Modem TroubleshootingTroubleshooting Procedures LAN Troubleshooting LAN TroubleshootingProcedure 2 Connector Check Sound TroubleshootingSound Troubleshooting Troubleshooting Procedures Procedure 3 Replacement Check Troubleshooting Procedures Sound TroubleshootingWireless LAN Troubleshooting Troubleshooting Procedures Wireless LAN TroubleshootingProcedure 1 Transmitting-Receiving Check Procedure 2 Antennas Connection CheckTroubleshooting Procedures Wireless LAN Troubleshooting Chapter Tests and Diagnostics Tests and Diagnostics 20.1 Heatrun Test20.2 21.131.1 Function Description Accessing the Setup Program Tables Tests and Diagnostics Diagnostics menu Diagnostic TestTests and Diagnostics Diagnostic Test Diagnostic Test Tests and Diagnostics Heatrun test program 2 H/W Hardware initial information setting toolDiagnostics menu T&D Executing the Diagnostic TestExecuting the Diagnostic Test Tests and Diagnostics Tests and Diagnostics Executing the Diagnostic Test System Test Name 2 H/W initial information setting tool Setting of the hardware configuration Tests and Diagnostics Setting of the hardware configurationTests and Diagnostics Setting of the hardware configuration Setting of the hardware configuration Tests and Diagnostics Heatrun Test Tests and Diagnostics Heatrun TestTest Name Subtest No Subtest Name Subtest Names Tests and DiagnosticsSubtest Names Async Tests and Diagnostics Subtest Names Subtest names 2/2System Test System Test Tests and DiagnosticsTests and Diagnostics System Test Memory Test Memory Test Tests and DiagnosticsKeyboard Test Tests and Diagnostics Keyboard TestDisplay Test Display Test Tests and DiagnosticsTests and Diagnostics Display Test Display Test Tests and Diagnostics Floppy Disk Test Tests and Diagnostics Floppy Disk TestFloppy Disk Test Tests and Diagnostics Printer Test Tests and Diagnostics Printer TestConfidential Async Test Tests and Diagnostics Async TestHard Disk Test Hard Disk Test Tests and DiagnosticsTests and Diagnostics Hard Disk Test HDD Tests and Diagnostics Real Timer Test Real Timer TestReal Timer Test Tests and Diagnostics NDP Test Tests and Diagnostics NDP TestExpansion Test Expansion Test Tests and DiagnosticsSub# Address Good Bad Contents Tests and Diagnostics Expansion Test CD-ROM/DVD-ROM Test CD-ROM/DVD-ROM Test Tests and DiagnosticsDevice name Error code Error status name Error Code and Error Status NamesTests and Diagnostics Error Code and Error Status Names PRT Time OUT No Pcmcia Hard Disk Test Detail Status Hard Disk Test Detail Status Tests and DiagnosticsHard disk controller status register contents BBK Operations Program DescriptionIf Test OK, Press DellEnterkey Only ONE Test Button, return to the only ONE Test menu automatically Subtest 05 USB Press Enter and following message appears in the display Head Cleaning Tests and Diagnostics Head CleaningFunction Description EnterLog Utilities Tests and Diagnostics Log Utilities00 00 0000 FDD-WRITE Protected Log Utilities Tests and DiagnosticsRunning Test Tests and Diagnostics Running TestFloppy Disk Drive Utilities Floppy Disk Drive Utilities Tests and DiagnosticsTests and Diagnostics Floppy Disk Drive Utilities Floppy Disk Format & Copy DIAGNOSTICS-HARD Disk & Floppy Disk Dump Following message will appear. To finish the dump, select Tests and Diagnostics System Configuration System ConfigurationSystem Configuration Display Ver X.XX Machine Name??? System Configuration Tests and DiagnosticsWireless LAN Test Program Intel-made b/g MAC = Setting the responder machine 11g Communication Test NG Wireless LAN Test Program Intel-made a/b/g SKU NG Aux Antenna Test NG 11a Communication Test NG Confidential Setting the tester DUT machine Wireless LAN Test Program Askey-madeWireless LAN Test Program Askey-made Tests and Diagnostics Tests and Diagnostics Wireless LAN Test Program Askey-made MAC Address Check OK Tests and Diagnostics Wireless LAN Test Program Askey-made LAN test 29 LAN/Modem/Bluetooth/IEEE1394 Test ProgramLAN transmit & receive test Completed Repeat count 00000 Confidential Modem loopback test Modem testBluetooth test Sssss Message Contents Error messageError code for Bluetooth test Bdaddr 1/2 See the Specification of the Bluetooth System in detail Eeeeeee MM P M M M P Error code for Bluetooth test Bdaddr of the DUT 1/2 Confidential IEEE1394 test Sound Standard test Sound Test program Tests and DiagnosticsSound Test program Tests and Diagnostics Sound Test program Sound Legacy test Pass Count Write Data Read Data Address Xxxxxx Status XXX CD Sound Standard testReturn to the CD Sound Standard menu after the test ends CD Sound Legacy test Setup Tests and Diagnostics SetupTests and Diagnostics Setup Accessing the Setup Program Confidential Accepting Changes and Exiting the Setup Window Moving Within the Setup Menu and Changing ValuesFactory Preset Configuration HDD Mode Password Write PolicySystem Date Sets date System Time Sets time Setup OptionsLow Setup Tests and Diagnostics Using the AC adapterFn+F1 Setup Tests and Diagnostics LCD Display Stretch Ntsc US Auto Power On Enable the Execute-Disable Bit functionDisable the Execute-Disable Bit function All Devices COM level LPT setting Interrupt level AddressLPT setting Interrupt level Address DMA channel CD-ROM ECP Legacy Emulation Chapter Replacement Procedures Replacement Procedures Parallel port board/Serial port board/S-Video board Overview105 Removing Battery Pack 53 to 4-100 Replacing Fluorescent Lamp Overview Overview Replacement ProceduresSafety Precautions Replacement Procedures OverviewBefore You Begin Disassembly Procedures Tools and Equipment Assembly ProcedureGrip Color Screw Tightening TorqueScrew Notation Battery Pack Removing the battery pack Battery Pack/PC CardReplacement Procedures Battery Pack/PC Card Installing the battery pack Battery Pack/PC Card Replacement ProceduresPC Card Removing the PC card Installing the PC cardRemoving the memory module Memory Module Replacement ProceduresMemory Module Removing Memory Module Replacement Procedures Memory ModuleInstalling the memory module Removing the MDC Replacement Procedures MDCMDC Installing the MDC MDC Replacement ProceduresRemoving the HDD Replacement Procedures HDDHDD Removing HDD Assy HDD Replacement ProceduresInstalling the HDD Wireless LAN card Replacement Procedures Wireless LAN cardNever press hard or bend the wireless LAN card Removing the Wireless LAN cardInstalling the Wireless LAN card Replacement Procedures Wireless LAN cardRemoving the Cooling fin/CPU Cooling Fin/CPU Replacement ProceduresCooling Fin/CPU 12 Removing CPU Holder 13 Removing Cooling Fin Installing the Cooling fin/CPU Replacement Procedures Cooling Fin/CPU16 Applying Silicon Grease Removing the Keyboard Replacement Procedures Keyboard18 Removing Keyboard Keyboard Replacement Procedures19 Removing Keyboard support plate Installing the Keyboard Removing the Switch membrane board Switch membrane boardReplacement Procedures Switch membrane board Installing the Switch membrane board Switch membrane board Replacement ProceduresRemoving the Optical drive Replacement Procedures Optical DriveOptical Drive 22 Removing the bracket Installing the Optical driveRemoving the Display assembly Display AssemblyReplacement Procedures Display Assembly 24 Removing screws and cables under keyboard Display Assembly Replacement Procedures25 Removing Display Assembly Installing the Display assembly Installing the Sound Board Replacement Procedures Sound BoardSound Board Removing the Sound BoardParallel port board Removing the Parallel port board Parallel port board / Serial port board / S-Video board28 Removing parallel port board Installing the Parallel port board 29 Removing serial port board Serial port board Removing the serial port boardInstalling the Serial port board 30 Removing S-Video board Video board Removing the S-Video boardInstalling the S-Video board Installing the Fan Replacement Procedures 14 Fan14 Fan Removing the FanRemoving the system board/DC-IN jack/RTC battery System Board/DC-IN Jack/RTC BatterySystem Board/DC-IN Jack/RTC Battery Replacement Procedures 33 Removing System board Replacement Procedures System Board/DC-IN Jack/RTC BatteryInstalling the System board/DC-IN jack/RTC battery Installing the PC card cover Replacement Procedures PC card coverPC card cover Removing the PC card coverRemoving the Battery latch Battery LatchBattery Latch Replacement Procedures Installing the Battery latch Replacement Procedures Battery LatchRemoving the Battery lock Battery LockBattery Lock Replacement Procedures Installing the Battery lock Replacement Procedures Battery LockRemoving the Touch pad Touch Pad Replacement ProceduresTouch Pad Installing the Touch pad Replacement Procedures Touch PadRemoving the LCD unit/FL inverter LCD Unit/FL Inverter Replacement ProceduresLCD Unit/FL Inverter 41 Removing FL Inverter and LCD Unit Replacement Procedures LCD Unit/FL Inverter42 Removing LCD Bracket Installing the FL inverter/LCD unit Latch Assembly Replacement Procedures Latch AssemblyRemoving the Latch assembly Installing the Latch AssemblyRemoving the Wireless LAN antenna/Speaker/Hinge Wireless LAN Antenna/Speaker/HingeReplacement Procedures Wireless LAN Antenna/Speaker/Hinge 44 Removing wireless LAN antennas Wireless LAN Antenna/Speaker/Hinge Replacement Procedures45 Removing LCD harness Holder Remove the wireless LAN antenna cables 48 Removing Optical drive cover 49 Removing speaker cables 50 Removing Speakers 52 Attaching sponges Installing the Wireless LAN antenna/Speaker/HingeReplacement Procedures Wireless LAN Antenna/Speaker/Hinge Type Supplier Section Fluorescent Lamp Replacement ProceduresFluorescent Lamp 53 Replacing 15.0 Inch Samsung fluorescent lamp XGA Replacement Procedures Fluorescent Lamp54 Replacing 15.0 Inch Samsung fluorescent lamp XGA 56 Replacing 15.0 Inch Samsung fluorescent lamp XGA 57 Replacing 15.0 Inch Samsung fluorescent lamp XGA Fluorescent Lamp4 Replacement Procedures58 Replacing 15.0 Inch Samsung fluorescent lamp XGA 59 Replacing 15.0 Inch Samsung fluorescent lamp XGA 60 Replacing 15.0 Inch Samsung fluorescent lamp XGA 61 Replacing 15.0 Inch Samsung fluorescent lamp XGA Assembling the 15.0-inch XGA Samsumg Fluorescent Lamp 62 Replacing 15.0 Inch Sharp fluorescent lamp XGA 64 Replacing 15.0 Inch Sharp fluorescent lamp XGA 65 Replacing 15.0 Inch Sharp fluorescent lamp XGA 67 Replacing 15.0 Inch Sharp fluorescent lamp XGA 68 Replacing 15.0 Inch Sharp fluorescent lamp XGA 69 Replacing 15.0 Inch Sharp fluorescent lamp XGA 70 Replacing 15.0 Inch Sharp fluorescent lamp XGA 71 Replacing 15.0 Inch Sharp fluorescent lamp XGA Replacement Procedures4.23 Fluorescent Lamp72 Replacing 15.0 Inch Sharp fluorescent lamp XGA Assembling the 15.0 Inch XGA Sharp Fluorescent Lamp73 Replacing 15.0 Inch Sharp fluorescent lamp XGA 76 Replacing 15.0 Inch Sharp fluorescent lamp XGA Upper diffusion sheet Lens sheet Light guide 78 Replacing 15.0 Inch Sharp fluorescent lamp XGA 79 Replacing 15.0 Inch Sharp fluorescent lamp XGA 81 Replacing 15.0 Inch Sharp fluorescent lamp XGA 83 Replacing 15.0 Inch Sharp fluorescent lamp XGA 84 Replacing 15.0 Inch Sharp fluorescent lamp XGA 85 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 86 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 87 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 88 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 89 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA Assembling the 15.0-inch XGA LG.Philips Fluorescent lamp91 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 92 Replacing 15.0 Inch LG.Philips fluorescent lamp XGA 93 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 94 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 95 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 96 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ Assembling the 15.0 Inch SXGA+ LG.Philips Fluorescent lamp 97 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 98 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 99 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 100 Replacing 15.0 Inch LG.Philips fluorescent lamp SXGA+ 114 Appendices Appendices Appendix Contents App-iv Appendices Figure B-1 System board layout front Table C-10 Table C-9Table C-11 Table C-12Table D-7 Appendix. a Handling the LCD Module Appendices Precautions for handling the LCD moduleAppendices Appendix. a Handling the LCD Module Satellite A50S/TECRA A3X Maintenance Manual Appendices Appendix. a Handling the LCD Module Appendix. a Handling the LCD Module Appendices Appendices Appendix. a Handling the LCD Module Appendix. B Board Layout Appendices System Board Front ViewMark Number Name Figure B-2 System board layout back System Board Back ViewCPU Front Back Sound Board FlgsnAppendices Appendix. B Board Layout Parallel port Board FlgcpSerial port Board Flgsr Video Board Flkcs Table C-1 Memory 0 connector pin assignment 200-pin 1/4 System Board Flksy CN1400 Memory 0 Connector 200-pinPin No Signal name Signal Name Appendix. C Pin Assignment AppendicesGND ADM3-B1P ADQS3-B1N ADQS3-B1P ADQS4-B1N ADQS7-B1P Pin No Signal name CN1410 Memory 1 Connector 200-pinTable C-2 Memory 1 connector pin assignment 200-pin 1/4 GND BDM3-B1P BDQS3-B1N BDQS3-B1P BDQS4-B1N Table C-3 HDD I/F connector pin assignment 44-pin CN1800 HDD I/F Connector 44-pinTable C-4 Optical drive I/F connector pin assignment 50-pin CN1810 Optical Drive I/F Connector 50-pinAppendices Appendix. C Pin Assignment IS2110 PC Card I/F Connector 70-pinTable C-5 PC card I/F connector pin assignment 70-pin 1/2 ACSTSC-PYP ACAD30-PYP ACCD2-P3N GND Table C-6 Docking I/F connector 240-pin1/4 CN2300 Docking I/F connector 240-pinDVIPD0-P3N DCADIO-S3P GND PME-S3P DSSCL-S5P DSSDA-S5P Table C-7 Mini PCI I/F connector pin assignment 124-pin 1/2 CN2200 Mini PCI I/F Connector 124-pinP3V CLKRUN-P3N SERR-P3N GND PERR-P3N CBE1-P3N CN3490 Debug Port Connector 12-pin CN3010 MDC I/F Connector 12-pinTable C-8 MDC I/F connector pin assignment 12-pin Table C-9 Debug port connector pin assignment 12-pin11 CN3240 Touch Pad I/F Connector 4-pin 10 CN3200 Keyboard I/F Connector 34-pinTable C-10 Keyboard I/F connector pin assignment 34-pin Table C-11 Touch pad I/F connector pin assignment 4-pinTable C-12 Switch board I/F connector pin assignment 10-pin 12 CN3280 Switch Board I/F Connector 10-pin13 CN3502 FLGCP/FLGSR Board I/F Connector 30-pin 16 CN4610 USB I/F Connector 0 4-pin 14 CN4100 Network I/F Connector 14-pin15 CN4611 USB harness I/F Connector 8-pin Table C-17 LCD I/F connector pin assignment 41-pin 17 CN5000 LCD I/F Connector 41-pin20 CN6001 Speaker Connector Left 3-pin 18 CN5620 RGB I/F Connector 15-pin19 CN5340 S-Video I/F Connector 5-pin 23 CN8800 DC-IN Connector 4-pin 21 CN6002 Speaker Connector Right 2-pin22 CN9500 Sound Board I/F Connector 18-pin 26 CN8770 FAN I/F Connector 4-pin 24 CN8020 1st Battery Connector 10-pin25 CN9990 RTC Battery Connector 3-pin 29 CN9510 System Board I/F Connector 18-pin 28 J6310 Headphone Connector 6-pinTable C-28 Headphone Connector pin assignment 6-pin Table C-29 System board I/F Connector pin assignment 18-pinTable C-30 System board I/F Connector pin assignment 10-pin Table C-31 System board I/F Connector pin assignment 30-pin 34 CN4622 USB I/F Connector 1 4-pin 32 CN4613 Parallel I/F Connector 25-pin33 CN4620 USB harness I/F Connector 8-pin 36 PJ4612 USB I/F Connector 1 4-pin Video Board Flgcs 35 PJ4610 USB harness I/F Connector 8-pin37 PJ4611 USB I/F Connector 2 4-pin 38 PJ5640 System Board I/F Connector 5-pinTable C-39 S-Video Connector pin assignment 4-pin 39 PJ5641 S-Video Connector 4-pinTable C-40 System board I/F Connector pin assignment 30-pin 43 CN4632 USB I/F Connector 1 4-pin 41 CN3440 Serial I/F Connector 9-pin42 CN4630 USB harness I/F Connector 8-pin Appendices Appendix. C Pin Assignment Cap Keytop Code set Make Break Appendix. D Keyboard Scan/Character Codes AppendicesTable 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 Cap Code set Keytop Make Break Table D-4 Scan codes with Fn keyTable D-6 No.124 key scan code Key Shift Code set Top Make Appendix. E Key LayoutAppendices Keyboard LayoutAppendices Appendix. E Key Layout Appendix. F Wiring Diagrams Appendices RGB Monitor ID Wraparound Connector 15-pin to 15-pinParallel Port Wraparound Connector Appendices Appendix. F Wiring Diagrams Appendix. G BIOS/KBC/EC Update Appendices Appendix G BIOS/KBC/EC UpdateAppendices Appendix. G BIOS/KBC/EC Update Component Time hours Appendix. H Reliability AppendicesTable H-1 Mtbf Appendices Appendix. H Reliability