HP Xw4550 - Workstation - 2 GB RAM Technical Reference Manual page 130

Table 5-18 POST error messages (continued)
Screen message
514—CPU or Chassis Fan not
detected
601—Diskette Controller Error Diskette controller circuitry or diskette
605—Diskette Drive Type
Error
611—Primary Diskette Port
Address Assignment Conflict
912—Computer Cover Has
Been Removed Since Last
System Start Up
914—Hood Lock Coil is not
Connected
916—Power Button Not
Connected
917—Front Audio Not
Connected
918—Front USB Not
Connected
919—MultiBay Riser Not
Connected
960—Processor Overtemp
occurred
1151—Serial Port 1 Address
Conflict Detected
122 Chapter 5 System diagnostics and troubleshooting
Probable cause
Processor fan is not connected or
might have malfunctioned.
drive circuitry incorrect.
Mismatch in drive type.
Configuration error.
N/A
Hood lock mechanism is missing or not
connected.
The power button is not connected.
The front audio cable is not connected. Connect front audio cable.
Front USB is not connected.
MultiBay riser is not connected.
The ambient temperature could
exceed operating limits
o o
(maximum=95 F, 35 C), or there are
obstructions to airflow, including dust
build up.
Both external and internal serial ports
are assigned to COM1.
Recommended action
1. Reseat the processor or chassis fan.
2. Replace the processor or chassis fan.
1. Run the Computer Setup (F10) Utility.
2. Verify and replace cables.
3. Clear CMOS.
4. Replace diskette drive.
5. Replace the system board.
1. Run the Computer Setup (F10) Utility.
2. Disconnect any other diskette controller devices
(tape drives).
3. Clear CMOS.
1. Run the Computer Setup (F10) Utility.
2. Remove expansion cards.
3. Clear CMOS.
No action required.
1. Reconnect or replace hood locking mechanism.
2. Reseat or replace hood locking mechanism cable.
Connect power button.
Connect front USB cable.
Connect MultiBay riser.
1. Be sure you are not operating the system in an
environment that exceeds 95
2. Disconnect power and open the access panel.
3. Verify that cables are not blocking processor
heatsink fans or front fan, if installed.
4. Verify 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 and/or the system board.
1. Remove any Comm port expansion cards.
2. Clear CMOS.
o o
F (35 C).
ENWW