Floppy drive pin 2 question?
pete at dunnington.u-net.com
Mon Mar 14 15:13:43 CST 2005
On Mar 14 2005, 14:30, Randy McLaughlin wrote:
> 2.88 mb controllers use it one way, some 1.44mb drives use it
> 5.25" drives use it for one thing other another.
1.44MB drives, ie 3.5" drives, do not need to be told what density to
use; they use the media sense to detect that from the holes in the
diskette. Therefore if they use pin 2 at all, they usually use it to
signal to the controller whether the media loaded is HD or DD.
Pete Peter Turnbull
University of York
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