IBM RS/6000 44P Series 270, User Manual

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Step 6
This step loads Online Diagnostics in service mode. If you are unable to load the
diagnostics, go to “Step 7”.
1. Turn the power on.
2. When the keyboard indicator (icon or text) appears, press F6 on the directly
attached keyboard, or 6 on the ASCII terminal keyboard, to indicate that diagnostics
are to be loaded.
3. Enter any requested passwords.
4. Follow any instructions to select a console.
Did the Diagnostics Operating Instructions display without any obvious display
problem?
NO Go to “Step 7”.
YES Go to “Step 9” on page 152.
Step 7
Starting at the top of the following table, find your symptom and follow the instructions
given in the Action column.
Symptom Action
Display problem Go to “Step 8”.
All other symptoms Go to “Problem Determination When Unable to
Load Diagnostics” on page 156
Step 8
The following steps analyze a console display problem.
Find your type of console display in the following table. Then follow the instructions
given in the Action column.
Console Display Action
Display Device Go to the display documentation for problem
determination.
ASCII terminal Go to the problem-determination documentation
for this type of terminal.
Chapter 8. Hardware Problem Determination
151