System diagnostics error codes and messages (continued)
Monochrome display adapter and CRT
401
ADAPTER ERROR
402
VIDEO SIGNAL ERROR
403
ATTRIBUTE ERROR
404
CHARACTER SET ERROR
406
GRAPHICS MODE ERROR
408
SCREEN PAGING ERROR
409
LIGHT PEN ERROR
410
VIDEO ERROR
411
SYNC ERROR
Color graphics adapter and CRT
501
ADAPTER ERROR
503
ATTRIBUTE ERROR
504
CHARACTER SET ERROR
506
COLOR GRAPHICS ERROR
508
SCREEN PAGING ERROR
509 LIGHT PEN ERROR
510 COLOR VIDEO ERROR
511
SYNC ERROR
Diskette drive(s) and controller
601
DISKETTE DRIVE CONTROLLER ERROR
602
SEQUENTIAL SEEK ERROR
603
RANDOM SEEK ERROR
604
WRITE ERROR
605
READ ERROR
606
DISK CHANGE CHECK REMOVE ERROR
607
DISK CHANGE CHECK INSERT ERROR
Math coprocessor
701
COPROCESSOR NOT INSTALLED
702
COPROCESSOR INITIALIZE ERROR
703
COPROCESSOR INVALID OPERATION
MASK ERROR
704
COPROCESSOR ST FIELD ERROR
705
COPROCESSOR COMPARISON ERROR
706
COPROCESSOR ZERO DIVIDE MASK ERROR
707
COPROCESSOR ADDITION ERROR
708
COPROCESSOR SUBTRACTION ERROR
709
COPROCESSOR MULTIPLICATION ERROR
710 COPROCESSOR PRECISION ERROR
Performing System Diagnostics E-13