IBM RS/6000 7043 43P Series Service Manual page 159

Summary: Boot Options and Control Keys
The following keys can be pressed when the keyboard POST indicator appears.
Key
F1 (display keyboard)
1 (ASCII keyboard)
F5 (display keyboard)
5 (ASCII keyboard)
F6 (display keyboard)
6 (ASCII keyboard)
F8 (display keyboard)
8 (ASCII keyboard)
Result
Normal mode boot, graphical System Management Services starts.
Normal mode boot, text-based System Management Services starts.
Service mode boot, default boot list.
Service mode boot, default boot list.
Service mode boot, custom boot list.
Service mode boot, custom boot list.
Normal mode boot, Open Firmware command line.
Normal mode boot, Open Firmware command line.
Chapter 6. Loading the System Diagnostics
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