Digital Equipment DIGITAL Server 7100 1200, Service Maintenance Manual, Page: 7 / 162

Contents
iii
DI
GI
TA
L
S
erve
r
31
00
/3
20
0
DI
GI
TA
L
Se
rv
er7
10
0
Server Processor Voltage and Temperature Ranges ....................................... 4-17
Processor Voltage Range ......................................................................... 4-17
VRM Voltage Range ................................................................................. 4-18
Processor Temperature Warning Levels ................................................... 4-18
Advanced Troubleshooting .............................................................................. 4-19
Server Troubleshooting ................................................................................... 4-20
Disk Drive Troubleshooting .............................................................................. 4-24
SBB Troubleshooting....................................................................................... 4-27
Tape Drive Troubleshooting............................................................................. 4-27
Monitor Troubleshooting .................................................................................. 4-28
CD-ROM Troubleshooting ............................................................................... 4-29
Diskette Drive Troubleshooting ........................................................................ 4-30
RAID Troubleshooting ..................................................................................... 4-31
Wide Ultra SCSI Bus Repeater Module Troubleshooting .................................. 4-32
5
FRU Replacement
Introduction ..................................................................................................... 5-1
Server Front View............................................................................................ 5-2
Server Left-Side View...................................................................................... 5-4
Server Right-Side/Rear View ........................................................................... 5-6
Miscellaneous ................................................................................................. 5-8
Labels and Nameplates ................................................................................... 5-8
Service Procedures ......................................................................................... 5-9
Recommended Tools ...................................................................................... 5-9
Special Tools Required.................................................................................... 5-9
Other Materials Needed .................................................................................. 5-10
Remedial Diagnostic Test Software ................................................................. 5-10
Virus Software Information .............................................................................. 5-10
BIOS Version Information ................................................................................ 5-10
Disconnecting External Devices and Power ..................................................... 5-11
Removing and Installing the Side Panels ......................................................... 5-12
Server Front View............................................................................................ 5-15
Server Left Side View ...................................................................................... 5-17
Server Right Side View.................................................................................... 5-19
Server Rear View ............................................................................................ 5-21
Main Logic Board Connectors.......................................................................... 5-23
Main Logic Board Components........................................................................ 5-25
Processor Module Components and Connectors ............................................. 5-27
Wide Ultra SCSI Bus Repeater Module Layout ................................................ 5-29
Main Logic Board Switch Settings.................................................................... 5-31