Compaq AP500 manual Diagnostic Tools, Removal and Replacement Procedures

iv

Removal and Replacement Procedures continued
Mass Storage Devices	3-21
Drive Positions	3-21
Hardware Screws	3-23
CD-ROM Drive or DVD-ROM Drive	3-24
Diskette Drive	3-26
Removing a 7200 rpm Hard Drive from Bays 5 or 6	3-28
Removing a 10,000-rpm Hard Drive from Bays 5 or 6	3-31
Removing the Fan from a Hard Drive Installed in Bays 5 or 6	3-35
Removing a Hard Drive from the Removable Hard Drive Cage	3-37
Installing a Hard Drive in the Removable Hard Drive Cage	3-39
SCSI Cables and Guidelines	3-41
SCSI Cables	3-41
SCSI Guidelines for Installing SCSI Devices	3-42
SCSI Guidelines for Optimizing Performance	3-42
System Board Assembly	3 -43
System Board with Tray and Cage	3-43
System Board Components	3-45
Dual Inline Memory Modules (DIMMs)	3-46
Important Guidelines for DIMM Installation	3-46
Removing a DIMM	3-47
Processor and Heatsink Assembly	3-48
Processor Power Module	3-49
Primary Processor Power Module Cable Insulator	3-50
External Battery	3-51
Running Computer Setup	3-51
Installing the Battery	3-52
Power Switch Cable Assembly	3-54
Power Supply	3-55

Chapter 4

Diagnostic Tools

Power-On Self-Test (POST)	4-2
POST Messages	4-3
Troubleshooting Minor Problems	4-7
Power Problems	4-8
Diskette Drive Problems	4-9
Display Problems	4-10
Printer Problems	4-11
Hard Drive Problems	4-12
Hardware Installation Problems	4-13
CD-ROM Drive and DVD-ROM Drive Problems	4-14
Memory Problems	4-15
SCSI Problems	4-15
Network Problems	4-16
Audio Hardware Conflicts	4-18