Technical Reference Guide
Compaq Personal Computers
Changed – November 2000
A-5
A.7
PRINTER ERROR MESSAGES (4xx-xx)
Table A–6.
Printer Error Messages
Table A-6.
Printer Error Messages
Message
Probable Cause
Message
Probable Cause
401-01
Printer failed or not connected
402-11
Interrupt test, data/cntrl. reg. failed
402-01
Printer data register failed
402-12
Interrupt test and loopback test failed
402-02
Printer control register failed
402-13
Int. test, LpBk. test., and data register failed
402-03
Data and control registers failed
402-14
Int. test, LpBk. test., and cntrl. register failed
402-04
Loopback test failed
402-15
Int. test, LpBk. test., and data/cntrl. reg.
failed
402-05
Loopback test and data reg. failed
402-16
Unexpected interrupt received
402-06
Loopback test and cntrl. reg. failed
402-01
Printer pattern test failed
402-07
Loopback tst, data/cntrl. reg. failed
403-xx
Printer pattern test failed
402-08
Interrupt test failed
404-xx
Parallel port address conflict
402-09
Interrupt test and data reg. failed
498-00
Printer failed or not connected
402-10
Interrupt test and control reg. failed
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A.8
VIDEO (GRAPHICS) ERROR MESSAGES (5xx-xx)
Table A–7.
Video (Graphics) Error Messages
Table A-7.
Video (Graphics) Error Messages
Message
Probable Cause
Message
Probable Cause
501-01
Video controller test failed
508-01
320x200 mode, color set 0 test failed
502-01
Video memory test failed
509-01
320x200 mode, color set 1 test failed
503-01
Video attribute test failed
510-01
640x200 mode test failed
504-01
Video character set test failed
511-01
Screen memory page test failed
505-01
80x25 mode, 9x14 cell test failed
512-01
Gray scale test failed
506-01
80x25 mode, 8x8 cell test failed
514-01
White screen test failed
507-01
40x25 mode test failed
516-01
Noise pattern test failed
See Table A-14 for additional graphics messages.