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3-22 Diagnostic 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
502-xx
503-xx
504-xx
505-xx
506-xx
507-xx
508-xx
509-xx
510-xx
511-xx
512-xx
514-xx
516-xx
Video controller test failed.
Video memory test failed.
Video attribute test failed.
Video character set test failed.
Video 80 x 25 mode 9 x 14 character cell test failed.
Video 80 x 25 mode 8 x 8 character cell test failed.
Video 40 x 25 mode test failed.
Video 320 x 200 mode color set 0 test failed.
Video 320 x 200 mode color set 1 test failed.
Video 640 x 200 mode test failed.
Video screen memory page test failed.
Video gray scale test failed.
Video white screen test failed.
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.