Compaq Deskpro EN Series Maintenance & Service Manual page 213

Table E-1
Continued
Message
914
916
1151-System Board
Comm Port 1 Address
Assignment Conflict
1152-System Board
Comm Port 2 Address
Assignment Conflict
1720-SMART Hard Drive
detects imminent failure
1721-SMART SCSI Hard
Drive detects imminent
failure
1771-Primary Disk Port
Address Assignment
Conflict
1772-Secondary Disk
Port Address
Assignment Conflict
1780-Disk 0 Failure
1781-Disk 1 Failure
1782-Disk Controller
Failure
1790-Disk 0 Failure
1791-Disk 1 Failure
1792-Secondary Disk
Controller Failure
1793-Secondary
Controller or Disk Failure
1800-Temperature Alert None
* L = Long, S = Short
Beeps* Probable Cause
None Hood lock is not connected.
None Thermal sensor from
processor heatsink not
connected.
2S Both external and internal
serial ports are assigned to
COM1.
2S Both external and internal
serial ports are assigned to
COM2.
None Hard drive is about to fail.
None Hard drive is about to fail.
2S Internal and external hard
drive controllers are both
assigned to the primary
address.
2S Internal and external hard
drive controllers are both
assigned to
the secondary address.
None Hard drive/format error.
None Hard drive/format error.
None Hard drive circuitry error.
None Hard drive error or wrong
drive type.
None Hard drive error or wrong
drive type.
None Hard drive circuitry error.
None Hard drive circuitry error.
Internal temperature exceeds
specification.
Recommended Action
Inspect wiring and the connections
between the hood lock solenoid and the
riser board.
Inspect wiring and verify that the
connector is plugged into the P15
connector on the system board.
Run Computer Setup or Windows NT or
Windows 95 utilities.
Run Computer Setup or Windows NT or
Windows 95 utilities.
Back up contents and replace hard drive.
Back up contents and replace hard drive.
Run Computer Setup or Windows NT or
Windows 95 utilities.
Run Computer Setup or Windows NT or
Windows 95 utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Check that computer air vents are not
blocked and cooling fan is running.
Compaq Deskpro EN Series of Personal Computers
continued
E-3