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Chapter 3 Power-On Self-Test 3-5
3.3 Initializing POST
POST is initilized in two ways:
■ By setting the diag-switch? to true and the diag-level to max or min,
followed by power cycling the system unit
■ By simultaneously pressing the keyboard Stop and D keys while power is applied
to the system unit
To set the diag-switch? to true and power cycle the system unit:
1. At the system prompt, type:
2. At the keyboard, power cycle the system unit by simultaneously pressing the
Shift key and the power-on key (
FIGURE 3-2). After a few seconds, press the
power-on key again.
FIGURE 3-2 Sun Type-5 Keyboard
ok setenv diag-switch? true
Caps Lock
key indicator
Shift key Compose
key indicator
Scroll Lock
key indicator
Num Lock
key indicator
Power-on key
Stop key D key
indicator