How To Invoke Post At Power On; Tests Post Runs; Figure 3-1 How To Invoke Post - Sun Microsystems SPARCstation Voyager Service Manual

How to Invoke POST at Power On

You can invoke POST at power on with or without a keyboard. The following
flowchart shows the steps to POST and the options available.
Power on
No
Keyboard
attached?
Yes
Yes
Stop-D
keys?
No
Yes
diag-switch?
true
No
OpenBoot PROM
How to Invoke POST
FIGURE 3-1

Tests POST Runs

Following is a sample listing from OpenBoot PROM version 2.15, or later versions of
the diagnostic mode tests completed by POST in a SPARCstation Voyager
workstation.
POST
Chapter 3 Power-On Self-Test (POST) 17