Digital Equipment 3100R Series, Service Maintenance Manual

Page: 7 / 174

Contents
iii
D
IG
IT
A
L
S
er
ve
r
310
0R
/3
20
0R
Advanced Troubleshooting .............................................................................. 4-15
Server Troubleshooting ................................................................................... 4-16
Disk Drive Troubleshooting .............................................................................. 4-20
SCA-2 Disk Drive Troubleshooting................................................................... 4-23
Tape Drive Troubleshooting............................................................................. 4-23
Monitor Troubleshooting .................................................................................. 4-24
CD-ROM Troubleshooting ............................................................................... 4-25
Diskette Drive Troubleshooting ........................................................................ 4-26
RAID Troubleshooting ..................................................................................... 4-27
5
FRU Replacement
Introduction ..................................................................................................... 5-1
Server Front and Top View .............................................................................. 5-2
Server Top View (Pentium Pro Processor) ....................................................... 5-4
Server Top View (Pentium II Processor) .......................................................... 5-6
Labels and Nameplates ................................................................................... 5-8
Service Procedures ......................................................................................... 5-8
Recommended Tools ...................................................................................... 5-9
BIOS Version Information ................................................................................ 5-9
Disconnecting External Devices and Power ..................................................... 5-9
Removing and Installing the Top Cover............................................................ 5-10
Server Front View............................................................................................ 5-14
Server Top View.............................................................................................. 5-16
Server Rear View ............................................................................................ 5-18
Main Logic Board Connectors.......................................................................... 5-20
Main Logic Board Components........................................................................ 5-22
Pentium Pro Processor Module Components and Connectors ......................... 5-24
Pentium II Processor Module Components ...................................................... 5-26
Ethernet Daughter Card Components and Connectors..................................... 5-28
Main Logic Board Switch and Jumper Settings................................................. 5-29
Pentium Pro Processor Module Switch Settings............................................... 5-32
Pentium II Processor Module Switch Settings .................................................. 5-34
Processor Clock Speed Switch Settings.................................................... 5-34
Installing Additional Memory (Pentium Pro Processor Module) ......................... 5-37
Server SIMMs Requirements .................................................................... 5-38
Memory Configuration Guidelines ............................................................. 5-38
Memory Troubleshooting .......................................................................... 5-41
Installing Additional Memory (Pentium II Processor Module) ............................ 5-42
Memory Configuration Guidelines ............................................................. 5-42