Monochrome

 

display adapter

 

and CRT

 

401

V-RAM ERROR

402VIDEO SIGNAL ERROR

403ATTRIBUTE ERROR

404CHARACTER SET ERROR

Color graphics adapter/display

501V-RAM ERROR

503ATTRIBUTE ERROR

504CHARACTER SET ERROR

50540-COLUMN CHARACTER SET ERROR

506COLOR GRAPHICS ERROR

507640x200 GRAPHICS MODE ERROR

508SCREEN PAGING ERROR

510COLOR VIDEO ERROR

Floppy disk drives /controller

601FLOPPY DISK CONTROLLER ERROR

602SEQUENTIAL SEEK ERROR

603RANDOM SEEK ERROR

604WRITE ERROR

605READ ERROR

606DISK CHANGE CHECK REMOVE ERROR

607DISK CHANGE CHECK INSERT ERROR

Math

 

coprocessor

 

(80287)

NOT INSTALLED

701

702COPROCESSOR INITIALIZE ERROR

703COPROCESSOR INVALID OPERATION MASK ERROR

704COPROCESSOR ST FIELD ERROR

705COPROCESSOR COMPARISON ERROR

706COPROCESSOR ZERO DIVIDE MASK ERROR

707COPROCESSOR ADDITION ERROR

708COPROCESSOR SUBTRACTION ERROR

709COPROCESSOR MULTIPLICATION ERROR

710COPROCESSOR PRECISION ERROR

Parallel port

 

901

ERROR PIN p

D-30 Performing System Diagnostics