Sun Microsystems Ultra 1 140 Service Manual page 47

Troubleshooting Procedures
This chapter describes how to troubleshoot possible problems and includes the
corrective actions you can take.
Power On Fails or No Video
Power Supply Test
DSIMM Failures
Hard Disk or CD-ROM Drive
OpenBoot On-Board Diagnostics
Selected On-Board Diagnostic Tests
The probe-scsi and probe-scsi-all test
System Board Test
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