Power-On Self-Test; The Post Command - Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual

7
C H A P T E R

Power-On Self-Test

This chapter describes the Sun Blade 1500 workstation power-on self-test (POST).
Topics covered are:
"The post Command" on page 7-1
■
"Setting Up for POST" on page 7-2
■
"POST Output" on page 7-6
■
"Analyzing POST Results" on page 7-18
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Note – Starting with OpenBoot PROM, version 4.16.0, POST is now initiated with

the post command.

7.1 The post Command
The post command enables you to override NVRAM settings and execute POST on-
demand with different diagnostic levels and output verbosity. For example:
ok post level verbosity
Where:
level is min or max
■
verbosity is min, normal, or max
■
If no diagnostic level or output verbosity is provided, then the post command uses
the NVRAM settings of diag-level and verbosity. See
Configuration Parameter Values" on page 6-1
parameters.
"Changing NVRAM
for more information about these
7-1