3-6 Sun Ultra 60 Service Manual August 2001
3. Verify the following:
a. The display prompt is no longer displayed.
b. The monitor power-on indicator flashes on and off.
c. The keyboard Caps Lock key indicator flashes on and off.
4. When the POST is complete, type the following at the system prompt:
3.4 Maximum and Minimum Levels ofPOST
Twolevels of POST are available: maximum (max) level and minimum (min) level.
The system initiates the selected level of POST based upon the setting of
diag-level, a NVRAM variable.
The default setting for diag-level is max. An example of a max level POST output
on serial port A is provided in Section3.4.1, “diag-level Variable Set to max” on
page3-7 An example of a min level POST output on serial port A is provided in
Section 3.4.2, “diag-level VariableSet to min” on page 3-14.
Toset the diag-level variable to min, type:
Toreturn to the default setting:
ok setenv diag-switch? false
ok setenv diag-level min
ok setenv diag-level max