Compaq SP700 Reference Manual page 145

POST Error Messages and Codes
Error Code
212-Failed Processor
301-Keyboard Error
303-Keyboard
Controller Error
304-Keyboard or
System Unit Error
40X-Parallel Port X
Address Assignment
Conflict
402-Monochrome
Adapter Failure
404-Parallel Port
Address Conflict
Detected
501-Display Adapter
Failure
Continued
Probable Source
of Problem
Failed processor
(X is 0 or 1)
Keyboard failure
I/O keyboard controller
Keyboard
Both external and
internal ports are
assigned to parallel port
X.
Monochrome display
controller
Both external and
internal ports are
assigned to parallel port
X.
Graphics display
controller
Compaq Professional Workstation SP700 Reference Guide
Action
Contact your Compaq authorized
service provider.
Check that you do not have a key
stuck or something on the
keyboard.
Ensure that the keyboard is
plugged in.
Replace the keyboard if
necessary.
Contact your Compaq authorized
service provider.
Contact your Compaq authorized
service provider.
Run Computer Setup or Windows
NT Workstation utilities.
Replace the monochrome display
controller.
Run Computer Setup or Windows
NT Workstation utilities.
Replace the graphics controller.
Continued
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