Sun Microsystems 60 service manual Power-On Self-Test

C H A P T E R 3

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-POSTPreparation—page3-2

■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—page3-22

■System and Keyboard LEDs—page 3-22

■Initializing Motherboard POST—page 3-23

3-1