TG43 signal and 8" drives on commodity hardware (was Re: WTD: 8-inch floppy drive)

Thu Mar 3 10:58:58 CST 2011

On Wednesday (03/02/2011 at 04:18PM -0800), Chuck Guzis wrote:
> 
> Also a couple of Siemens FDD-200 
> drives--one set up to read hard-sectored and filter out the sector 
> marks (providing only index), the other set "raw".

What is the theory of operation behind a hard-sector filter?  I believe
I have seen this done with just a one-shot but I'm not sure I understand
how that eliminates only the sector marks, leaving just index?  It seems
like with just a one-shot, it would sync to any hole and call that index.

Chris
-- 
Chris Elmquist