Compaq Professional Workstation AP200 User Manual
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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