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4. When a message indicates the system is in maintenance mode, enter the diag
command.
Note: It may be necessary to set
TERM
type again.
5. When DIAGNOSTIC OPERATING INSTRUCTIONS is displayed, follow the
displayed instructions to checkout the desired resources.
6. When testing is complete; use the F3 key to return to DIAGNOSTIC
OPERATING INSTRUCTIONS. Then press the F3 key again to return to the AIX
operating system prompt.
7. Press Ctrl-D to log off from
root
or
superuser
.
Standalone Diagnostic Operation
Standalone Diagnostics provide a method to test the system when the Online
Diagnostics are not installed and a method of testing the disk drives that cannot be
tested by the Online Diagnostics.
No Error Log Analysis is done by the Standalone Diagnostics.
The CD-ROM drive and the SCSI controller that controls it cannot be tested by the
Standalone Diagnostics.
Running the Standalone Diagnostics
To run Standalone Diagnostics in service mode, take the following steps:
1. Verify with the system administrator and system users that the system unit may
be shut down, then stop all programs including the AIX operating system. (Refer
to the AIX operating system documentation shutdown command information.)
2. Remove all tapes, diskettes, and CD-ROMs.
3. Insert the Diagnostic CD-ROM into the CD-ROM drive.
4. Turn off the system unit.
5. Turn the power on.
a. When or after the diskette indicator appears, press F5 on the direct attached
keyboard or 5 on the tty keyboard to indicate that diagnostics are to be
loaded.
b. Enter any requested passwords.
c. Follow any instructions to select a console.
6. After the diagnostic controller loads, DIAGNOSTIC OPERATING
INSTRUCTIONS appear on the console display.
6-12
IBM RS/6000 7025 F50 Series User's Guide