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6.3.1 Diagnosing the system board


6.3.1 Diagnosing the system board
This section shows an example of the command for diagnosing the system board. Use the testsb command to diagnose the system board.
In the following example, an initial diagnosis of the system board for PSB 01-0 and a check of the connected I/O are performed.

<‌Description of options>‌
-v: Additionally displays a detailed message from the initial diagnosis.

-p: During diagnosis processing, executes the "probe-scsi-all" command of the OpenBoot PROM and displays the result.

-s: During diagnosis processing, executes the "show-devs" command of the OpenBoot PROM and displays the result.
XSCF> testsb -v -p -s 01-0
Initial diagnosis is about to start, Continue? [y|n] :y
PSB#01-0 powered on sequence started.
...
<<xxxxxxxx>>
...
{0} ok
...
<<xxxxxxxx>>
...
<<xxxxxxxx>>
...
SB powered off.
PSB Test Fault
---- ------- --------

01-0 Passed Normal
Typically, a diagnosis of the system board is performed arbitrarily after it is incorporated into the system in maintenance of the SPARC M10-4S chassis (including the CPU memory unit) with the replacefru command.