Contents
1 System Description
Introduction....................................................... .
..
.......
.......................
1-1
System
Box
....................................................................................1
-3
System
Board..........................................................................1-3
SIMMs
...............................................................................1-3
External
Cache .................................................................1-3
Power
Supply ..........................................................................
1-4
3.5-lnch
Disk
Drives ................................................................1-4
2.5-lnch
IDE
Disk
Drive
............................................................
1-4
Intelligent Graphics Controller .................................................
1-4
Battery
.....................................................................................1-5
SCSI
Expansion
Box
......................................................................1-5
Monitors .........................................................................................1-5
Keyboard.....................................................................................1-6
Muuse ............................................................................................
1-6
2 Troubleshooting
Introduction ..........................................................................................
2-1
Special Tools........................................................................................
2-1
POST
....................................................................................................2-3
System Board Hardware Tests ..................................................... 2-3
Peripheral Hardware Tests............................................................2-4
POST
Sequence ...................................................................................2-5
POST
Error
Messages.... . .....................................................2-6
Beep Codes........................................................................................
2-11
Initial Troubleshooting ........................................................................2-15
System
Box
Troubleshooting .............................................................2-16
Disk Drives ..........................................................................................2-18
Monitor...............................................................................................2-19
SCSI
Expansion
Box
...........................................................................
2-20
DH.:;c
433
Workstation Service Manual
