HP Compaq 6000 Install Manual page 129

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 in
Workstation 6000)
(X is 0, 1, 2 or 3 in
Workstation 8000)
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 6000 and 8000 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.
Replace the monochrome
display controller.
Run Computer Setup.
Replace the memory upgrade
module.
E-3
continued