Online Diagnostics Modes of Operation
The Online Diagnostics can be run in three modes:
Service Mode
Concurrent Mode
Maintenance Mode
Service Mode
Service mode provides the most complete checkout of the system resources. This
mode also requires that no other programs be running on the system. All system
resources except the SCSI adapter, and the disk drives used for paging can be
tested. However, note that the memory and processor are only tested during POST.
Error log analysis is done in service mode when you select the Problem
Determination option on the DIAGNOSTIC MODE SELECTION menu.
Running the Online Diagnostics in Service Mode
To run Online Diagnostics in service mode, take the following steps:
1. Stop all programs including the AIX operating system (get help if needed).
2. Turn the power off.
3. Remove all tapes, diskettes, and CD-ROMs.
4. Turn the power on.
a. When or after the diskette indicator appears, press F6 on the
directly-attached keyboard or 6 on the ASCII terminal keyboard to indicate
that diagnostics are to be loaded.
b. Enter any requested passwords.
c. Follow any instructions to select a console.
5. After the diagnostic controller loads, DIAGNOSTIC OPERATING
INSTRUCTIONS appear on the console display.
6. Follow the displayed instructions to checkout the desired resources.
7. When testing is complete; use the F3 key to return to the DIAGNOSTIC
OPERATING INSTRUCTIONS.
8. Press the F3 key (from a defined terminal) or press 99 (for an undefined
terminal) to shutdown the diagnostics before turning off the system unit.
Chapter 6. Using the Online and Standalone Diagnostics
6-9
Summary of Contents for F50 RS/6000 7025
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