Writing 8" floppies with SuperCard Pro

Chuck Guzis cclist at sydex.com
Wed Aug 12 14:36:33 CDT 2015

On 08/12/2015 11:12 AM, Jerome H. Fine wrote:
> I forgot to mention one item.  Since I had VERY few Double Sided
> media with the index hole offset that extra 1/2" from the Single Sided
> index hole - and I have many RX02 compatible floppy media which
> are Single Sided with the index hole in the wrong place for being a
> Double Sided media - I added a DPDT switch to the sense circuit
> of the DSD 880/30 drive.  In the normal position, the Single Sided
> floppy media are detected as Single Sided floppy media.  In the
> opposite position, a Single Sided floppy media is detected as Double
> Sided and the DSD 880/30 is then able to read / write both sides
> of the floppy media.  Since the DSD 880/30 is also able to perform
> a LLF (Low Level Format), I am able to use all of the RX02 media
> as Double Sided WITHOUT the inconvenience of having to punch
> the extra index hole.

My drives are configured to take either index signal--so it doesn't 
matter if the media is coded as SS or DS.  Many floppy drives can do this.


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