Printer Error Messages; Video (Graphics) Error Messages; Table A-7. Printer Errorm; Table A-8. Video (Graphics ) E - Compaq Deskpro 4000 Technical Reference Manual

A.8 PRINTER ERROR MESSAGES (4xx-xx)
Table A–7. Printer Error Messages
Message Probable Cause
401-01 Printer failed or not connected
402-01 Printer data register failed
402-02 Printer control register failed
402-03 Data and control registers failed
402-04 Loopback test failed
402-05 Loopback test and data reg. failed
402-06 Loopback test and cntrl. reg. failed
402-07 Loopback tst, data/cntrl. reg. failed
402-08 Interrupt test failed
402-09 Interrupt test and data reg. failed
A.9 VIDEO (GRAPHICS) ERROR MESSAGES (5xx-xx)
Table A–8. Video (Graphics) Error Messages
Message Probable Cause
501-01 Video controller test failed
502-01 Video memory test failed
503-01 Video attribute test failed
504-01 Video character set test failed
505-01 80x25 mode, 9x14 cell test failed
506-01 80x25 mode, 8x8 cell test failed
507-01 40x25 mode test failed
Table A-7.

Printer Error Messages

Message
402-10
402-11
402-12
402-13
402-14
402-15
402-16
402-01
498-00
--
Table A-8.

Video (Graphics) Error Messages

Message
508-01
509-01
510-01
511-01
512-01
514-01
516-01
Changed - Septembe 1997
Technical Reference Guide
Probable Cause
Interrupt test and control reg. failed
Interrupt test, data/cntrl. reg. failed
Interrupt test and loopback test failed
Int. test, LpBk. test., and data register failed
Int. test, LpBk. test., and cntrl. register failed
Int. test, LpBk. test., and data/cntrl. reg. failed
Unexpected interrupt received
Printer pattern test failed
Printer failed or not connected
--
Probable Cause
320x200 mode, color set 0 test failed
320x200 mode, color set 1 test failed
640x200 mode test failed
Screen memory page test failed
Gray scale test failed
White screen test failed
Noise pattern test failed
Compaq Personal Computers A-5