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TAG Cross- Reference Tables 2-7
Table 2-8. IGS/Disk Drive Error Codes
Code Disk Drive Error Code Meaning Go to TAG
401 Fatal IGS PB error No TAG
450 Incorrect diskette 130
451 Diskette format error or incorrect disk 130
454 Fatal trap 200
455 Trap 200
500 Incorrect PIT0 registers contents; no reset 200
501 PIT0 register read/write error 200
502 No countdown/zero detection in PIT0 timer 200
503 PIT0 timer; no halt 200
504 No PIT0 timer interrupt 200
505 Incorrect PIT2 registers contents; no reset 200
506 PIT2 register read/write error 200
507 No countdown/zero detection in PIT2 timer 200
508 PIT2 timer; no halt 200
509 No PIT2/timer interrupt 200
520 No DMAC reset 200
521 DMAC registers read/write error 200
522 No DMA transfer 200
523 No DMA transfer termination 200
524 No DMAC termination interrupt 200
525 No software abort operation 200
526 No software abort interrupt 200
527 DMAC operation error 200
528 DMA transfer error 200
529 Two-channel DMA transfer error 200
530 No two-channel DMA transfer 200
540 PCL board serial controller registers read/write error 200
541 PCL board break condition detected 200
542 PCL board serial controller transmitter not ready 200
543 No PCL board serial controller transfer 200
544 PCL board serial controller transfer error 200
545 Host serial controller registers read/write error 200
546 Host transmitter not ready 200
547 No serial controller interrupts 200
548 Host serial controller/PCL board parity error 200
549 Serial controller unexpected interrupt 200