User's Manual

6 Contents
Riser Card . . . . . . . . . . . . . . . . . . . . . . . . 79
Removing the Riser Card
. . . . . . . . . . . . . . 79
Installing the Riser Card
. . . . . . . . . . . . . . 80
System Memory
. . . . . . . . . . . . . . . . . . . . . 81
Memory Module Installation Guidelines
. . . . . . 81
Installing Memory Modules
. . . . . . . . . . . . 82
Removing Memory Modules
. . . . . . . . . . . . 84
Processor
. . . . . . . . . . . . . . . . . . . . . . . . 85
Replacing the Processor
. . . . . . . . . . . . . . 85
Control Panel Assembly (Service-Only
Procedure)
. . . . . . . . . . . . . . . . . . . . . . . . 89
Removing the Control Panel Assembly
. . . . . . . 89
Installing the Control Panel Assembly
. . . . . . . 90
System Board (Service-Only Procedure)
. . . . . . . . 91
Removing the System Board Assembly
. . . . . . 91
Installing the System Board Assembly
. . . . . . . 94
4 Troubleshooting Your System . . . . . . . . . 97
Safety First—For You and Your System . . . . . . . . . 97
Start-Up Routine
. . . . . . . . . . . . . . . . . . . . . 97
Checking the Equipment
. . . . . . . . . . . . . . . . . 98
Troubleshooting IRQ Assignment Conflicts
. . . . 98
Troubleshooting External Connections
. . . . . . . 99
Troubleshooting the Video Subsystem
. . . . . . . 99
Troubleshooting the Keyboard
. . . . . . . . . . . 100
Troubleshooting the Mouse
. . . . . . . . . . . . 101
Troubleshooting Basic I/O Functions
. . . . . . . . 101
Troubleshooting a Serial I/O Device
. . . . . . . . 102
book.book Page 6 Thursday, August 30, 2007 3:30 PM