[sebhc] hard or soft

Lee Hart leeahart at earthlink.net
Thu Jul 1 20:03:57 CDT 2004


Carroll Waddell wrote:
> 
> I was just thinking that if we could build a sector pulse generator to
> use soft sector diskettes in the H17, it would be nice to build in a
> circuit that could detect if the diskette was hard or soft sector. If
> hard, then pass the sector pulses through. If soft, then generate the
> pulses.

Yes; this happened automatically with my old circuit (I wonder if I can
find it?). It always passed real index hole pulses straight thru, but
omitted the synthesized sector holes if it couldn't achieve lock (and it
couldn't with a real hard-sector disk because there were too many
holes).
-- 
"Never doubt that the work of a small group of thoughtful, committed
citizens can change the world. Indeed, it's the only thing that ever
has!" -- Margaret Mead
--
Lee A. Hart  814 8th Ave N  Sartell MN 56377  leeahart_at_earthlink.net


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