Service Reference Guide

Service Reference Guide C–7
POST Error Messages
1720-SMART Hard
Drive Detects Imminent
Failure
None Hard drive is about to
fail. (Some hard drives
have a firmware patch
that will fix an erroneous
error message.)
Determine if hard drive is giving
correct error message. Run the Drive
Protection System test available.
Apply firmware patch if applicable
(see
www.compaq.com\support\techpu
bs\customer_advisories).
Back up contents and replace hard
drive.
1721-SMART SCSI
Hard Drive Detects
Imminent Failure
None Hard drive is about to
fail. (Some hard drives
have a firmware patch
that will fix an erroneous
error message.)
Determine if hard drive is giving
correct error message. Run the Drive
Protection System test available.
Apply firmware patch if applicable.
Back up contents and replace hard
drive.
1771-Primary Disk Port
Address Assignment
Conflict
2S Internal and external
hard drive controllers are
both assigned to the
primary address.
Remove any disk controller
expansion cards.
Clear CMOS.
Reconfigure card resources and/or
run Computer Setup (F10 Setup).
1772-Secondary Disk
Port Address
Assignment Conflict
2S Internal and external
hard drive controllers are
both assigned to the
primary address.
Remove any disk controller
expansion cards.
Clear CMOS.
Reconfigure card resources and/or
run Computer Setup (F10 Setup).
1780-Disk 0 Failure None Hard drive/format error. Run Computer Setup
(F10 Setup).
Clear CMOS.
Check cables/jumper settings.
Run hard drive diagnostics.
Disconnect additional drives.
Run the Drive Protection System test if
available.
Replace the hard drive.
* L = Long, S = Short
POST Error Messages
Screen Message Beeps* Probable Cause Recommended Action