beautypg.com

Compaq Professional Workstation AP200 User Manual

Page 145

background image

E-5

Compaq Professional Workstation AP200 Reference Guide

Writer: M. Church Project: Compaq Professional Workstation AP200 Reference Guide Comments: 352620-003

File Name: L-APPE.DOC Last Saved On: 12/14/98 2:40 PM

COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED

Power-On Self Test Message

Continued

Message

Beeps*

Probable Cause

Recommended Action

301-Keyboard Error

None

Keyboard failure

Reconnect keyboard with

computer turned off.

303-Keyboard

Controller Error

None

I/O board keyboard controller

1. Replace

the

keyboard.

2.

Replace the system
board.

304-Keyboard or

System Unit Error

None

Keyboard failure

1. Reconnect

the

keyboard with
computer turned
off.

2. Replace

the

keyboard.

3.

Replace the system
board.

402-Monochrome

Adapter Failure

1L, 2S

Monochrome display controller

is defective.

Replace the monochrome

display controller.

404-Parallel Port

Address Conflict

Detected

2S

Both external and internal ports

are assigned to parallel port X.

Run Computer Setup or

Windows NT utilities.

501-Display Adapter

Failure

1L, 2S

Video display controller

Replace the graphics

board.

* L = Long, S = Short

Continued