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 pressingthe keyboard Stop and D keys while power is applied
to the system unit
Toset 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 (FIGURE3-2). After a few seconds, press the
power-on key again.
FIGURE3-2 Sun Type-5Keyboard
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