Compaq ProLiant 5000 Reference Manual page 169

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11-6 Diagnostic Tools
POST Error Messages
Error Code
ZZ-301-Keyboard
Error
303-Keyboard
Controller Error
304-Keyboard or
System Unit Error
40X-Parallel Port X
Address Assignment
Conflict
402-Monochrome
Adapter Failure
501-Display Adapter
Failure
601-Diskette
Controller Error
* L= Long
S = Short
Continued
Audible
Beeps*
None Keyboard failure. (ZZ
represents the Keyboard
Scan Code.)
None System board, keyboard,
or mouse controller failure
None Keyboard, keyboard cable,
or system board failure
2S Both external and internal
ports are assigned to
parallel port X.
1L,2S Monochrome display
controller
1L,2S Video display controller
None Diskette controller circuitry
failure
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Probable Source of
Problem
1.
2.
Contact your service
provider.
1.
2.
Run the System
Configuration Utility.
Run Diagnostics.
Contact your service
provider
Run Diagnostics.
Contact your service
provider
Contact your service
provider.
Action
A key is stuck.
Try to free it.
Replace the
keyboard.
Make sure the
keyboard is
attached.
Contact your
service provider.
continued