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SubjectRe: floppy question of the hour
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On Tue, May 27, 2008 at 05:49:18PM -0400, Phillip Susi wrote:
> Yes, the interleave slows you down, since after accessing sector 1, the
> head must wait to pass over 3 other sectors before finally reaching
> sector 2, therefore, you can only read 1/4 of the sectors on the track
> each revolution of the disk. That leaves 4 revolutions at 300 rpm
> giving 0.8s to read a track, or 64 seconds to read all 80 tracks, plus
> seek time. That still does not explain 3 minutes though... not sure
> what else could be slowing you down.

Just do what the Amiga did: Read the entire track into a buffer in
memory, then deal with the sectors, and write the entire track back. :)

--
Len Sorensen


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