Compaq 113803-001 manual Video Display Unit Test Error Codes

3-22Diagnostic Tools

Video Display Unit Test Error Codes

The 500 series of Diagnostic error codes identifies failures with video or system board functions.

Table 3-6

Video Display Unit Test Error Codes

Error Code Description Recommended Action

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.

The following steps apply to error codes

501-xx through 516-xx:

1.Replace the monitor and retest.

2.Replace the Advanced VGA board and retest.

3.Replace the system board and retest.