Typical Error Code Failure Message; Bypassing Post - Sun Microsystems Ultra 1 Creator Series Service Manual

Note – An error code may only be visible for a few seconds. Observe the Caps Lock,
Compose, Scroll Lock, and Num Lock key indicators closely while POST is active.
In most cases, POST also attempts to send a failure message to the POST monitoring
system.
error code is displayed, determine the meaning of the error code by comparing the
keyboard error code pattern to the corresponding error code meaning listed in
TABLE 3-2
Note – The system does not automatically boot if a POST error occurs; it halts at the
ok prompt to alert the user of a failure.
3.6

Typical Error Code Failure Message

Power On Self Test Failed.
Cause: SIMM U0701 or System Board
ok
3.7

Bypassing POST

POST may be disabled and thereby bypassed. To bypass POST:
1. Prior to powering on the system, press and hold the Stop key on the Sun type-5
keyboard.
2. With the Stop key pressed, turn on the system by pressing the power-on key
(
FIGURE 3-1
identifies the typical appearance of a failure message. If a keyboard
TABLE 3-1
on page 3-13.
on page 3-5).
Chapter 3 Power-On Self-Test 3-11