Lenovo System x3550 M3 Problem Determination And Service Manual page 414

– What changes, if any, were made before the configuration failed?
– Is this the original reported failure?
• Diagnostic program type and version level
• Hardware configuration (print screen of the system summary)
• IMM firmware level
• Operating system software
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:
• Machine type and model
• IMM firmware level
• Adapters and attachments, in the same locations
• Address jumpers, terminators, and cabling
• Software versions and levels
• Diagnostic program type and version level
• Configuration option settings
• Operating-system control-file setup
See Appendix A "Getting help and technical assistance" on page 535
service.
System x3550 M3Problem Determination and Service Guide
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for information about calling IBM for