Installation guide

Diagnostics and Utilities 9-9
1
Check the ST1 line in the self-test results to see that all CPU and
memory modules passed self-test. Note that on a system with more
than one processor, failing processors are disabled and do not appear
in the ST1 line.
2
Check the ST2 and ST3 lines to see that all modules on the LSB and
the IOP module passed the first and second tests.
3
Check the C0 XMI line to determine which modules on the XMI bus
passed self-test.
For more information:
Basic Troubleshooting