DEC DECpc 433 - Default Chapter; Table of Contents

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