Compaq ProLiant 4500 Maintenance And Service Manual page 49

Video Display Unit Test Error Codes
Error
Code Description
501-xx Video controller test failed
502-xx Video memory test failed
503-xx Video attribute test failed
504-xx Video character set test failed
505-xx Video 80 x 25 mode 9 x 14 character
cell test failed
506-xx Video 80 x 25 mode 8 x 8 character
cell test failed
507-xx Video 40 x 25 mode test failed
508-xx Video 320 x 200 mode color set 0
test failed
509-xx Video 320 x 200 mode color set 1
test failed
510-xx Video 640 x 200 mode test failed
511-xx Video screen memory page test failed
512-xx Video gray scale test failed
514-xx Video white screen test failed
516-xx Video noise pattern test failed
Table 3-6
Recommended Action
The following steps apply to error
codes 501-xx through 516-xx:
1. Replace the monitor and re-test.
2. Replace the Advanced VGA
board and re-test.
3. Replace the system board
and re-test.
Diagnostic Tools
Maintenance and Service Guide
3-17