Service manual

Troubleshooting 3-27
As Example 3–12 continues, the callouts explain the progress of the diagnostic
session.
The reset command is executed.
Even though no XSROM tests are executed, the SCM runs through its
normal power-up routine. (xsrom_mask = none)
The test &pc0 5 command now passes. SROM test 5, the B-cache march
test, is run on CPU0.
The test &pc1 7 command passes. SROM test 7, the EVx D-cache and B-
cache error tests, run on CPU1.
The test &pc0 10 command passes. XSROM test 10, the local QSD who
am I register test, is run on CPU0.
The test &pc0 5 command now fails, though it passed in , on CPU0
because the XSROM was loaded when test 10 was executed in
.
The SROM test still passes on CPU1 though.