On-Board Diagnostics - Sun Microsystems SPARCclassic Service Manual

C
APPENDIX

On-Board Diagnostics

This appendix explains On-Board Diagnostic tests. The following topics and tests are
described.
4 "Running the On-Board Diagnostics" on page 173
4 "Test <alias name>, Test <device path>" on page 175
4 "Test-all" on page 176
4 "Watch-clock" on page 176
4 "Watch-net, Watch-aui, Watch-tpe and Watch-net-all" on page 176
4 "Probe-scsi, Probe-scsi-all" on page 178
4 "Test-memory" on page 178
4 "Returning to the Monitor Prompt" on page 179
You have access to a number of additional tests in the boot PROM called On-Board
Diagnostics. To invoke these tests, you must enter the Forth Toolkit.
Caution -
manner. When the operating system or any other standalone program has already
booted, do not press Stop-a to halt the system. Abruptly aborting program execution
may cause damage to data files.
Running the On-Board Diagnostics
1. Save all your work and quit all applications.
Consult your software documentation for instructions on ending a work session
and saving your files.
To run the On-Board Diagnostics, you must halt the system in an orderly
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