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System Diagnostics and Troubleshooting168
940—Extended ROM
signature not found
The signature at the start of the
ROM flash is missing. Your firmware
(BIOS) is incomplete.
Run ROMPaq again.
960—CPU Overtemp
occurred
The ambient temperature could
exceed operating limits
(maximum=95°F), or there are
obstructions to airflow, including
dust build up.
1. Be sure you are not operating the system in
an environment that exceeds 95°F.
2. Disconnect power and open the access
panel.
3. Check that cables are not blocking CPU
heatsink fans or front fan, if installed.
4. Check that there is not excessive dust on
major components.
5. If airflow is acceptable and there is not
excessive dust, the thermal sensing circuitry
has failed on the processors or on the system
board. You must replace the processors,
system board, or both.
1155—Serial Port Address
Conflict Detected
Both external and internal serial
ports are assigned to same IRQ.
1. Remove any Comm port expansion cards.
2. Clear CMOS.
3. Reconfigure card resources and run
Computer Setup (F10 Setup). Run Computer
Setup or Windows utilities.
1720 SMART Hard Drive
Detect Imminent Failure
Hard drive is about to fail. (Some
hard drives have a firmware patch
that will fix an erroneous error
message.)
1. Determine if hard drive is giving correct error
message. Run the Drive Protection System test,
if applicable.
2. Apply firmware patch if applicable
(see
http://www.hp.com/support).
3. Back up contents and replace hard drive.
1721—SMART SCSI Hard
Drive detects imminent
failure
Hard drive is about to fail. (Some
hard drives have a firmware patch
that will fix an erroneous error
message.)
1. Determine if hard drive is giving correct error
message. Run the Drive Protection System test
if applicable.
2. Apply firmware patch if applicable (see
http://www.hp.com/support).
3. Back up contents and replace hard drive.
1780—Disk 0 Failure The drive is not installed correctly or
has failed.
1. Make sure that any jumpers are set correctly,
and that power and drive cables are
connected, both to the drive and the system
board.
2. Verify that the cables are the correct cables
for your computer model.
If this message persists, you might need service
for your workstation.
1781—Disk 1 Failure The drive is not installed correctly or
has failed.
1. Make sure that any jumpers are set correctly,
and that power and drive cables are
connected, both to the drive and the system
board.
2. Verify that the cables are the correct cables
for your computer model.
If this message persists, you may need service for
your workstation.
Table 5-38 POST Error Messages (continued)
Screen Message Probable Cause Recommended Action