Problem Determination Tips - IBM IntelliStation Z Pro Type 6221 Hardware Maintenance Manual

4. Turn on the computer. If the problem remains, suspect the following FRUs in the
Notes:
1. If the problem is corrected when you remove an adapter from the system and
2. If you suspect a networking problem and all the system tests pass, suspect a

Problem determination tips

Because of the variety of hardware and software combinations that can be
encountered, use the following information to assist you in problem determination. If
possible, have this information available when requesting assistance from Service
Support and Engineering functions.
v Machine type and model
v Microprocessor or hard disk upgrades
v Failure symptom
v Diagnostics version
v Hardware configuration
v Operating system software
Note: To eliminate confusion, identical systems are considered identical only if
d. Memory (with a minimum of two 128 MB DIMMs)
order listed:
v Power supply
v System board
replacing that adapter does not correct the problem, suspect the system board.
network cabling problem external to the system.
– Do diagnostics fail?
– What, when, where? Single or multiple systems?
– Is the failure repeatable?
– Has this configuration ever worked?
– If it has been working, what changes were made prior to it failing?
– Is this the original reported failure?
– Type and version level
– Print (print screen) configuration currently in use
– BIOS level
– Type and version level
they:
v Are the exact machine type and models
v Have the same BIOS level
v Have the same adapters/attachments in the same locations
v Have the same address jumpers/terminators/cabling
v Have the same software versions and levels
v Have the same diagnostics code (version)
v Have the same configuration options set in the system
v Have the same setup for the operating system control files
Comparing the configuration and software setup between working and
non-working computers will often lead to problem resolution.
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Symptom-to-FRU index