System diagnostics error codes and messages (continued)

Monochrome display adapter and CRT

401ADAPTER ERROR

402VIDEO SIGNAL ERROR

403ATTRIBUTE ERROR

404CHARACTER SET ERROR

406GRAPHICS MODE ERROR

408SCREEN PAGING ERROR

409LIGHT PEN ERROR

410VIDEO ERROR

411SYNC ERROR

Color graphics adapter and CRT

501ADAPTER ERROR

503ATTRIBUTE ERROR

504CHARACTER SET ERROR

506COLOR GRAPHICS ERROR

508SCREEN PAGING ERROR

509LIGHT PEN ERROR

510COLOR VIDEO ERROR

511SYNC ERROR

Diskette drive(s) and controller

601DISKETTE DRIVE CONTROLLER ERROR

602SEQUENTIAL SEEK ERROR

603RANDOM SEEK ERROR

604WRITE ERROR

605READ ERROR

606DISK CHANGE CHECK REMOVE ERROR

607DISK CHANGE CHECK INSERT ERROR

Math coprocessor

701COPROCESSOR NOT INSTALLED

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

Performing System Diagnostics

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