Floppy drive track-0 issues

Tony Duell ard at p850ug1.demon.co.uk
Mon Jan 11 12:47:26 CST 2010


> Unless you install it on edge or upside down, the lower head is #0, and
> the upper head is #1   (or #1/#2, A/B, front/back, . . . )

For a 3.5" drive it's safe to say that the side where the motor spindle
engages with the disk is the head 0 side. That's normally true of other
sizes of floppy disks too, but with those it's technically possible for
the motor spindle to be on either side of the media, with the 3.5" it
isn't. 

-tony



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