Power-On Self-Test - Sun Microsystems Ultra 60 Service Manual

3
C H A P T E R

Power-On Self-Test

This chapter describes how to initiate power-on self-test (POST) diagnostics. The
examples given in this chapter are representative, details of actual test results may
be different, depending on system configurations.
This chapter contains the following topics:
POST Overview—page 3-2
Pre-POST Preparation—page 3-2
Initializing POST—page 3-5
Maximum and Minimum Levels of POST—page 3-6
POST Progress and Error Reporting—page 3-18
Bypassing POST—page 3-21
Additional Keyboard Control Commands—page 3-22
System and Keyboard LEDs—page 3-22
Initializing Motherboard POST—page 3-23
3-1