4-1
Troubleshooting Procedures
4
This chapter describes how to troubleshoot possible problems and includes the
corrective actions you can take.
Power On Fails or No Video
page 4-2
Power Supply Test
page 4-3
DSIMM Failures
page 4-6
Hard Disk or CD-ROM Drive
page 4-7
OpenBoot On-Board Diagnostics
page 4-8
Selected On-Board Diagnostic Tests
page 4-12
The probe-scsi and probe-scsi-all test
page 4-13
System Board Test
page 4-14
Summary of Contents for Ultra 1 140
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Page 121: ...Part5 SystemBoard System Board and Component Replacement page 10 1...
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