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SubjectRe: floppy irq unregisters itself?
>Is there a reason why the floppy driver unregisters it's irq handler when
>the motor goes off?

This is needed for ftape support. As floppy tapes and floppy disks
share the same physical resources, the floppy driver and the ftape
driver need to relinquish their resources when they are not in use, in
order to let "the other guy" have access to them.



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