Service Reference Guide

Service Reference Guide C–5
POST Error Messages
605-Diskette Drive Type
Error
2S Mismatch in drive type. Run Computer Setup (F10 Setup) or
Windows NT, Windows 95, or
Windows 98 utilities.
Disconnect any other diskette
controller devices (tape drives).
Clear CMOS.
610-External Storage
Device Failure
None External tape drive not
connected.
Reinstall tape drive or press F1 and
allow system to reconfigure without
the drive.
611-Primary Floppy Port
Address Assignment
Conflict
2S Configuration error. Run Computer Setup (F10 Setup).
Remove expansion cards.
Clear CMOS.
612-Secondary Floppy
Port Address
Assignment Conflict
2S Configuration error. Run Computer Setup (F10 Setup).
Remove expansion cards.
Clear CMOS.
660-Display Cache is
Detected Unreliable
None Integrated video
controller display cache
not working properly
and will be disabled.
Replace system board if minimal
video degrading is an issue.
912-Computer Cover
Has Been Removed
Since Last System Start
Up
None No action required.
914-Hood Lock Coil is
not Connected
None Hood lock mechanism is
missing or not
connected.
Reconnect or replace hood locking
mechanism.
Reseat or replace hood locking
mechanism cable.
916-Thermal Sensor
from Processor Heatsink
is not Connected.
None Processor heatsink cable
not connected to system
board.
Reseat or replace the processor
heatsink cable going to the system
board.
917-Expansion Riser not
Detected
None Riser board not seated
or not installed.
Install riser board if missing or
remove and reseat to ensure good
connection.
* L = Long, S = Short
POST Error Messages
Screen Message Beeps* Probable Cause Recommended Action