Service manual
Chapter 3 Power-On Self-Test 3-5
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 (see following figure). After a few seconds, press
the Power-on key again.
FIGURE 3-2 Sun Type-5 Keyboard
3. Verify the following:
1. The display prompt is no longer displayed.
2. The monitor power-on indicator flashes on and off.
3. The keyboard Caps Lock key indicator flashes on and off.
4. When the POST is complete, type the following at the system prompt:
ok setenv diag-switch? true
ok setenv diag-switch? false
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