HP Compaq dc7100 DT Technical Reference Manual page 171

Error Message
512-Chassis Fan Not Detected
514-CPU or Chassis Fan not
detected.
601-Diskette Controller Error
605-Diskette Drive Type Error
912-Computer Cover Removed
Since Last System Start Up
914-Hood Lock Coil is not
Connected
916-Power Button Not Connected
917-Expansion Riser Not Detected
919-Front Panel, MultiPort, and/or
MultiBay Risers not Detected
1156-Serial Port A Cable Not
Detected
1157-Front Cables Not Detected
1720-SMART Hard Drive Detects
Imminent Failure
1721-SMART SCSI Hard Drive
Detects Imminent Failure
1785-MultiBay incorrectly installed
1794--Inaccessible device attached
to SATA 1
(for systems with 2 SATA ports)
Technical Reference Guide
Table A-2. (Continued)
Power-On Self Test (POST) Messages
Probable Cause
Chassis fan is not connected.
CPU fan is not connected or may have malfunctioned.
Diskette drive removed since previous boot.
Mismatch in drive type.
Cover (hood) removal has been detected by the Smart Cover Sensor.
Smart Cover Lock mechanism is missing or not connected.
Power button harness has been detached or unseated from the system
board.
Expansion (backplane) board not seated properly.
Riser card has been removed or has not been reinstalled properly in
the system.
Cable from serial port header to I/O connector is missing or not
connected properly.
Cable from front panel USB and audio connectors is missing or not
connected properly.
SMART circuitry on an IDE drive has detected possible equipment
failure.
SMART circuitry on a SCSI drive has detected possible equipment
failure.
For MultiBay option or
non-USDT systems:
Multibay option ribbon cables not seated or improperly attached.
or
MultiBay device not properly seated.
or
MultiBay diskette present
For integrated MultiBay/ USDT systems:
MultiBay device not properly seated.
or
MultiBay riser not properly seated.
A device is attached to SATA 1. Any device attached to this connector
will be inaccessible while "SATA Emulation" is set to "Combined IDE
Controller" in Computer Setup.
361834-002
Error Messages and Codes
A-3