IBM 6H0, Service Manual

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Chapter 6. Loading the System Diagnostics In Service Mode
The system diagnostics can be booted from the default boot list or from the service
mode boot list. (The service mode boot list can be modified using the system
diagnostics “Display or Change Bootlist” service aid. The service mode boot list cannot
be modified under the System Management Services).
For more information about using standalone or online diagnostics, see “Using the
Standalone and Online Diagnostics” in RS/6000 and
Eserver
pSeries Diagnostics
Information for Multiple Bus Systems , order number SA38-0509.
Attention: If this system unit is attached to another system, be sure you isolate this
system unit before stopping the operating system or running diagnostic programs.
Some system-cabling changes (such as installing wrap plugs or removing a device from
the configuration) may require action by the operator of the attached system before
making the cabling changes on this system.
To load standalone diagnostics from the default boot list, perform the following
procedure:
1. Verify with the system administrator and users that all programs may be stopped,
then do so.
2. Turn off the system.
Note: If AIX is running, enter the shutdown command.
3. Wait until the Power LED stops flashing and remains off, then press the power
button to turn on the system.
4. Immediately insert the diagnostic CD-ROM into the CD-ROM drive.
5. When or after the keyboard indicator appears during startup, press the numeric 5
key on the keyboard.
6. Enter any requested passwords.
Online diagnostics can be loaded by booting from a hard file in the custom boot list by
pressing the numeric 6 key on the keyboard.
To boot from the devices listed in the service mode boot list, perform the following
procedure:
1. Verify with the system administrator and users that all programs may be stopped,
then do so.
2. Turn off the system.
Note: If AIX is running, enter the shutdown command.
3. Wait until the Power LED stops flashing and remains off, then press the power
button to turn the system on.
4. When or after the keyboard indicator appears during startup, press the numeric 6
key on the keyboard.
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