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IBM R30 Operator's Manual: Chapter 11. Hardware Problem Determination

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Chapter 11. Hardware Problem Determination

If you have an error or failure on your system, this chapter contains steps for obtaining a
service request number (SRN). You report the SRN to the service organization. The service
organization uses the SRN to determine which field replaceable units (FRUs) are needed to
restore the system to correct operation.
Step 1. Considerations before Performing This Procedure
Note: See the operator manual for your type of tty terminal to find the key sequences
The diagnostic programs use the console terminal attached to the S1 port.
This procedure asks you to select the mode you want to run the diagnostic programs in
(standalone, maintenance, or concurrent). If you need more information about the modes,
see "Diagnostic Modes of Operation" on page 8-7.
If the procedure instructs you to stop the operating system, refer to Chapter 2 for
additional information.
This procedure assumes that the AutoService IPL is enabled. If this flag is disabled, then
the system displays the MAINTENANCE MENU when booting. Refer to Appendix B,
"Modifying SystemGuard Parameters", to determine how to verify and change this flag's
setting; or, when the MAINTENANCE MENU is displayed select System Boot, then
Boot From List, and continue.
Go to Step 2.
you need to respond to the diagnostic programs.
Hardware Problem Determination
11-1

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R40, R50

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