Service Reference Guide

C–4 Service Reference Guide
POST Error Messages
402-Monochrome
Adapter Failure
1L, 2S Monochrome display
controller.
Replace monochrome display
controller.
403-Parallel Port 3
Address Assignment
Conflict
2S IRQ address conflicts
with another device.
Reset the IRQ.
404-Parallel Port
Address Conflict
Detected
2S Both external and
internal ports are
assigned to parallel port
X.
Remove any parallel expansion
cards.
Clear CMOS.
Reconfigure card resources and/or
run Computer Setup (F10 Setup).
410-Audio Interrupt
Conflict
2S IRQ address conflicts
with another device.
Reset the IRQ.
411-Network Interface
Card Interrupt Conflict
2S IRQ address conflicts
with another device.
Reset the IRQ.
501-Display Adapter
Failure
1L, 2S Graphics display
controller.
Reseat the graphics card (if
applicable).
Clear CMOS.
Verify that the monitor is attached
and turned on.
Replace the graphics controller.
510-Splash Screen
image corrupted
None Splash Screen image
has errors.
Install latest version of ROMPaq to
restore image.
511-CPU, Rear, or Front
Fan not detected
None Fan is not connected or
may have
malfunctioned.
Reseat fan cable.
Replace the fan.
512-Chassis fan not
detected
None Fan is not connected,
may have
malfunctioned, or fan
driver on system board is
not working.
Reseat fan cable.
Replace the fan.
Replace system board.
601-Diskette Controller
Error
None Diskette controller
circuitry or floppy drive
circuitry incorrect.
Run Computer Setup (F10 Setup).
Check and/or replace cables.
Clear CMOS.
Replace diskette drive.
Replace the system board.
602-Diskette Boot
Record Error
None Diskette in drive A not
bootable.
Replace the diskette.
* L = Long, S = Short
POST Error Messages
Screen Message Beeps* Probable Cause Recommended Action