Compaq ProLiant 800 Manual page 136

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8-6 Diagnostics Tools
POST Error Messages
Error Code
301-Keyboard Error
or Test Fixture
Installed
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
continued
Audible
Beeps
L=Long
S=Short
None Keyboard failure
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
Writer: Project: Diagnostics Tools Comments:
File Name: J-ch8.doc Last Saved On: 4/24/97 10:38 AM
Probable Source of
Problem
Replace the keyboard.
1.
2.
Contact your service
provider.
1.
2.
3.
Run the System
Configuration Utility.
Replace the
monochrome display
controller.
Action
A key is stuck.
Try to free it.
Replace the
keyboard.
Make sure the
keyboard is
attached.
Run Diagnostics
to determine
which is in error.
Replace the part
indicated.
continued