E-2 POST Error Messages
Table E-1
Continued
Message Beeps* Probable Cause Recommended Action
213-Incompatible DIMM
module in DIMM sockets
1, 2, or 3
2S DIMM is not fully compliant
with SPD standard or is
electrically incompatible with
the hardware.
Replace DIMM
301-Keyboard Error None Keyboard failure. Reconnect keyboard with computer
turned off.
301-Keyboard Error or
Test Fixture Installed
None Keyboard failure. Replace the keyboard.
303-Keyboard Controller
Error
None I/O board keyboard controller. 1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
304-Keyboard or System
Unit Error
None Keyboard failure. 1. Replace the keyboard with computer
turned off.
2. Replace the system board.
404-Parallel Port
Address Conflict
Detected
2S Both external and internal
ports
are assigned to parallel port
X.
Run Computer Setup or Windows NT or
Windows 95 utilities.
501-Display Adapter
Failure
1L, 2S Video display controller. Replace the graphics board.
601-Diskette Controller
Error
None Diskette controller circuitry or
floppy drive circuitry incorrect.
1. Run Setup.
2. Check and/or replace cables.
3. Replace diskette drive.
4. Replace the system board.
602-Diskette Boot
Record Error
None Diskette in drive A not
bootable.
Replace the diskette.
605-Diskette Drive Type
Error
2S Mismatch in drive type. Run Computer Setup or Windows NT or
Windows 95 utilities.
610-External Storage
Drive 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 or Windows NT or
Windows 95 utilities.
612-Secondary Floppy
Port Address
Assignment Conflict
2S Configuration error. Run Computer Setup or Windows NT or
Windows 95 utilities.
912-The Computer
Cover Has Been
Removed Since Last
System Start Up
None No action required.
* L = Long, S = Short
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