Specifications

Extensa 500 Service Guide 5
Startup Configuration. . . . . . . . . . . . . . . . . . . .35
Onboard Devices Configuration . . . . . . . . . . . 36
System Security. . . . . . . . . . . . . . . . . . . . . . . . 37
Power Management . . . . . . . . . . . . . . . . . . . . 39
Load Default Settings . . . . . . . . . . . . . . . . . . . 40
AFlash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Executing AFlash. . . . . . . . . . . . . . . . . . . . . . . 41
Quick Way to Execute AFlash . . . . . . . . . . . . .42
System Utility Diskette. . . . . . . . . . . . . . . . . . . . . . . 43
Set LCD Panel ID . . . . . . . . . . . . . . . . . . . . . . 43
Set Thermal Sensor Threshold . . . . . . . . . . . . 43
System Diagnostic Diskette. . . . . . . . . . . . . . . . . . . 44
Running PQA Diagnostics Program. . . . . . . . . 45
Diagnostic Program Error Code and Messages47
Chapter 3 Machine Disassembly
General Information. . . . . . . . . . . . . . . . . . . . . . . . . 50
Before You Begin . . . . . . . . . . . . . . . . . . . . . . 50
Connector Types . . . . . . . . . . . . . . . . . . . . . . . 50
Disassembly Procedure Flowchart . . . . . . . . . . . . . 51
Removing the Battery Pack. . . . . . . . . . . . . . .53
Removing the DIMM . . . . . . . . . . . . . . . . . . . .53
Removing the Modem Board. . . . . . . . . . . . . . 54
Removing the Keyboard . . . . . . . . . . . . . . . . .55
Removing the LCD Module . . . . . . . . . . . . . . . . . . . 57
Disassembling the LCD. . . . . . . . . . . . . . . . . . 58
Disassembling the Main Unit. . . . . . . . . . . . . . . . . . 61
Removing the HDD & PCMCIA Heat Sink. . . . 61
Removing the Hard Disk Drive . . . . . . . . . . . . 61
Removing the CPU Heat Sink and CPU Board62
Removing the RTC Battery . . . . . . . . . . . . . . . 63
Disassembling the Upper Case . . . . . . . . . . . . 63
Removing the Touchpad . . . . . . . . . . . . . . . . . 64
Disassembling the Lower Case. . . . . . . . . . . . . . . . 66
Removing the CD-ROM/Diskette Drive Module66
Removing the Speakers . . . . . . . . . . . . . . . . . 68
Removing the DC-DC/Charger Board . . . . . . .69
Removing the DC-DC/Charger Board . . . . . . .70
Removing the System Board. . . . . . . . . . . . . .70
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