IBM 8852 - BladeCenter H Rack-mountable, Service Manual

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Calling IBM for service
See Appendix A, “Getting help and technical assistance,” on page 61 for
information about calling IBM for service.
When you call for service, have as much of the following information available as
possible:
v Machine type and model
v
Microprocessor or hard disk upgrades
v Failure symptoms
– Does the system fail the diagnostic programs? If so, what are the error codes?
– What occurred? When? Where? Did it occur on a single or multiple systems?
– Is the failure repeatable?
– Has the current system configuration ever worked?
– What changes, if any, were made before it failed?
– Is this the original reported failure, or has this failure been reported before?
v
Diagnostic program type and version level
v
Hardware configuration (print the screen with the system summary information)
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 systems. When you compare systems to each
other for diagnostic purposes, consider them identical only if all the following
factors are exactly the same in all the systems:
v
Machine type and model
v
BIOS code level
v
Adapters and attachments, in the same locations
v Address jumpers, terminators, and cabling
v
Software versions and release levels
v Diagnostic programs type and version level
v
Configuration option settings
v
Operating-system control-file setup
Chapter 2. Diagnostics
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