Compaq Deskpro EN Series Maintenance & Service Manual page 207

Error
Code Description
6600-xx ID test failed.
6605-xx Read test failed.
6608-xx Controller test failed.
6623-xx Random read test failed.
Error
Code Description
8601-xx Mouse test failed.
8602-xx Interface test failed.
D-8 Diagnostic Error Codes
Table D-14
CD-ROM Test Error Codes
Recommended Action
The following steps apply to error codes error codes 6600-
xx through 6623-xx:
1. Replace the CD media and retest.
2. Check the jumper settings on the adapter board.
3. Verify that the speakers are connected.
4. Check and/or replace the power and signal cables and
retest.
5. Replace the CD-ROM drive and retest.
Table D-15
Pointing Device Test Error Codes
Recommended Action
The following steps apply to error codes 8601-xx through
8602-xx:
1. Replace with a working mouse and retest.
2. Replace the system board and retest.