Table 2-8. IGS/Disk Drive Error Codes (Continued)

Code

Disk Drive Error Code Meaning

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550

Two-channel transfer error

200

 

 

 

551

No PCL board/serial controller interrupt on break

200

 

 

 

552

No serial controller/DMAC interaction

200

 

 

 

553

Serial controller/DMAC transfer count error

200

 

 

 

554

Serial controller/DMAC transfer error

200

 

 

 

555

RS232 send/receive path error

200

 

 

 

556

RS232 DTR/DTC path error

200

 

 

 

557

RS232 RTS/CTS path error

200

 

 

 

558

RS422 send/receive path error

200

 

 

 

559

RS422 send clock/receive clock path error

200

 

 

 

560

CRTC register read/write error

200

 

 

 

561

No page begin (PIT2) interrupt

200

 

 

 

562

No CRTC address generation

200

 

 

 

563

No VSYNC generation (end of page)

200

 

 

 

564

No end of page (PIT2) interrupt

200

 

 

 

565

No CRTC count termination

200

 

 

 

566

VSYNC timeout error

200

 

 

 

570

Drive controller/SCSI read/write error

200

 

 

 

571

Drive controller busy timeout

200

 

 

 

572

Diskette is write protected

130

 

 

 

573

Drive not ready

130

 

 

 

574

Drive controller restore error

130

 

 

 

575

Drive controller seek error

130

 

 

 

576

Drive controller read sector error

130

 

 

 

577

Drive controller read sector data/checksum error

200

 

 

 

578

Drive controller write sector error

200

 

 

 

579

Drive controller read/modify/write error

200

 

 

 

580

No drive controller/PIT0 interrupt

200

 

 

 

581

No drive controller-DMA interaction

200

 

 

 

582

Drive controller/DMAC transfer error

200

 

 

 

583

Drive controller/DMAC transfer count error

200

 

 

 

584

Drive controller/DMAC read sector error

200

 

 

 

585

Drive controller/DMAC write sector error

200

 

 

 

586

Drive hard error

130

 

 

 

2-8

TAG Cross- Reference Tables