Problem Determination Tips - IBM x3250 M3 Problem Determination And Service Manual

1. Turn off the server.
2. Make sure that the server is cabled correctly.
3. Remove or disconnect the following devices, one at a time, until you find the
4. Turn on the server. If the problem remains, suspect the following components in
If the problem is solved when you remove an adapter from the server but the
problem recurs when you reinstall the same adapter, suspect the adapter; if the
problem recurs when you replace the adapter with a different one, suspect the riser
card.
If you suspect a networking problem and the server passes all the system tests,
suspect a network cabling problem that is external to the server.

Problem determination tips

Because of the variety of hardware and software combinations that can encounter,
use the following information to assist you in problem determination. If possible,
have this information available when requesting assistance from IBM.
The model number and serial number of the server are located on the front bezel.
Note: The illustrations in this document might differ slightly from your hardware.
v Machine type and model
v Microprocessor or hard disk drive upgrades
v Failure symptom
failure. Turn on the server and reconfigure it each time.
v Any external devices.
v Surge-suppressor device (on the server).
v Printer, mouse, and non-IBM devices.
v Each adapter.
v Hard disk drives.
v Memory modules. The minimum configuration requirement is 1 GB DIMM in
slots 3.
the following order:
v Memory module
v Microprocessor
v System board
ID label
– Does the server fail the diagnostic tests?
– What occurs? When? Where?
– Does the failure occur on a single server or on multiple servers?
– Is the failure repeatable?
– Has this configuration ever worked?
– What changes, if any, were made before the configuration failed?
– Is this the original reported failure?
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Chapter 3. Diagnostics