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Error codes and messages (continued)
Error code
Message
Color graphics adapter and CRT
501
V-RAM ERROR
503
ATTRIBUTE ERROR
504
CHARACTER SET ERROR
505
40-COLUMN CHARACTER SET ERROR
506
COLOR GRAPHICS ERROR
507
640 x 200 GRAPHICS MODE ERROR
508
SCREEN PAGING ERROR
509
LIGHT PEN ERROR
510
COLOR VIDEO ERROR
Floppy disk drives and controller
601
FLOPPY DISK 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 (80387)
701
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
Parallel port
901
ERROR PIN p
Serial port (RS-232C)
1101
control signal ALWAYS LOW
1101
control signal ALWAYS HIGH
1102
TIMEOUT ERROR
1103
VERIFY ERROR
Performing System Diagnostics
C-31