IBM System x3650 M3 4255 Service Manual page 174

v Diagnostics program type and version level
v Hardware configuration (print screen of the system summary)
v BIOS code level
v Operating-system type and version level
You can solve some problems by comparing the configuration and software setups
between working and nonworking servers. When you compare servers to each
other for diagnostic purposes, consider them identical only if all the following factors
are exactly the same in all the servers:
v Machine type and model
v BIOS level
v Adapters and attachments, in the same locations
v Address jumpers, terminators, and cabling
v Software versions and levels
v Diagnostic program type and version level
v Setup utility settings
v Operating-system control-file setup
See Appendix A, "Getting help and technical assistance," on page 279 for
information about calling IBM for service.
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IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide
– Has this configuration ever worked?
– What changes, if any, were made before the configuration failed?
– Is this the original reported failure?