Symptom-to-FRU Index
The Symptom-to-FRU Index lists error symptoms and
possible causes. The most likely cause is listed first.
Note: Replace the FRUs one at a time in the sequence
shown in the FRUs of the Dock I and Sequence of
Action column. If a replaced part did not resolve
the problem, put the original part back in the Dock
I. Do not replace non-defective parts.
Always begin with “General Checkout” on page 341. This
index also can be used to help you decide which FRUs to
have available when servicing the Dock I.
Numeric error codes show the errors detected in the POST
or system operation. In the following error codes,
X
can
be any number.
FRU codes are used for errors detected by diagnostic
tests. If no error codes are available, use narrative
symptoms.
If the symptom is not listed or you cannot correct the
problem using this index, go to “Undetermined Problem” on
page 357.
IMPORTANT:
1. Before replacing any SCSI device, verify that there
are no duplicate SCSI ID settings.
2. Make sure that there are no conflicts of hardware
settings, such as, interrupt level, memory address,
DMA channel, and I/O address.
3. If you have both an error message and an incorrect
audio response, diagnose the error message first.
4. If you cannot run the advanced diagnostic tests, but
did receive a POST error message, diagnose the
POST error message.
5. If you did not receive an error message, look for a
description of your error symptoms in the first part of
this index.
6. Check all power supply voltages before you replace
the main board, I/O card, and audio card of the Dock
I. (See “Power Systems Checkout” on page 346.)
Dock I (3545)
351
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