Digital Equipment DEC 3000 600 AXP, Service Information

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NVR Diagnostic
Example: The next example runs the NVR diagnostic.
>>> T NVR
Return
The next example runs the TOY subtest of the NVR diagnostic.
>>> T NVR TOY
Return
Error Reporting The diagnostic reports any error that it finds. Error messages
include a hexadecimal longword of data and a FRU code to
identify the failing FRU.
>>> T NVR
?? 002 NVR xxxxxxxx
Table 9–8 lists NVR diagnostic error messages and identifies
which FRU to replace.
Table 9–8 NVR Error Identification
Test Failure
Code FRU
Code
Failing Test Error Code Replace...
?? 002 NVR See Chapter 14 NVR
sock-
eted
Note
If the NVR error persists, replace the I/O module.
Memory Diagnostic
Overview
The memory diagnostic detects address and data-stuck-at faults.
The diagnostic also performs ECC testing of memory.
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