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iv
Contents
Removal and Replacement Procedures
(continued)
Cable Diagrams
.........................................................................................................
2-14
System I/O Board Cage
.............................................................................................
2-16
I/O Fan
......................................................................................................................
2-17
Power Switch
.............................................................................................................
2-18
Processor Cage Assembly
.........................................................................................
2-20
Processor Cage
...................................................................................................
2-20
Pentium II Adapter Board
..................................................................................
2-22
Terminator Board
...............................................................................................
2-23
Processors
..........................................................................................................
2-24
Processor Power Module
...................................................................................
2-26
Memory Expansion Board
.................................................................................
2-28
Memory
..............................................................................................................
2-29
Power Supply
............................................................................................................
2-33
Backplane Board
.......................................................................................................
2-34
External Replacement Battery
..................................................................................
2-35
Chapter 3
Diagnostic Tools
Utility Access
..............................................................................................................
3-2
Power-On Self-Test (POST)
.......................................................................................
3-4
Diagnostics Software
.................................................................................................
3-17
Primary Processor Test Error Codes
.................................................................
3-18
Memory Test Error Codes
.................................................................................
3-19
Keyboard Test Error Codes
...............................................................................
3-20
Parallel Printer Test Error Codes
.......................................................................
3-21
Video Display Unit Test Error Codes
................................................................
3-21
Diskette Drive Test Error Codes
........................................................................
3-22
Monochrome Video Board Test Error Codes
....................................................
3-22
Serial Test Error Codes
......................................................................................
3-23
Modem Communications Test Error Codes
......................................................
3-23
Fixed Disk Drive Test Error Codes
....................................................................
3-24
Tape Drive Test Error Codes
.............................................................................
3-25
Advanced VGA Board Test Error Codes
...........................................................
3-26
Compaq Network Interface Cards Test Error Codes
.........................................
3-27
SCSI Fixed Disk Drive Test Error Codes
..........................................................
3-28
SCSI/IDE CD-ROM Drive Test Error Codes
....................................................
3-28