Compaq ProLiant 4500 Maintenance And Service Manual page 38

3-6
Diagnostic Tools
POST Error Messages
Error Code
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
605-Diskette Drive
Type Error
702-A coprocessor
has been detected
that was not
reported by CMOS.
703-CMOS reports a
coprocessor that has
not been detected
Maintenance and Service Guide
Continued
Beeps Probable Source of
Problem
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.
2S Mismatch in drive type.
None Installed coprocessor not
configured.
2S Coprocessor or
configuration error.
Action
Check with your
Authorized Compaq
Reseller.
1. Make sure the
keyboard is
attached.
2. Run Diagnostics to
determine which is in
error.
3. Replace the part
indicated.
Run the System
Configuration Utility.
Replace the
monochrome display
controller.
Replace the video board.
1. Make sure the
diskette drive cables
are attached.
2. Replace the diskette
drive and/or cable.
3. Replace the system
board.
Run the System
Configuration Utility to
set diskette type
correctly.
Run the System
Configuration Utility and
correct.
1. Run the System
Configuration Utility
and correct.
2. Replace the
coprocessor.
Continued