Bulk Erase 8" floppies

From: Don Maslin <donm_at_cts.com>
Date: Wed Sep 17 17:57:00 2003

On Wed, 17 Sep 2003, Fred Cisin wrote:

> On Wed, 17 Sep 2003, Don Maslin wrote:
> > Quite the contrary! A quick glance at an 8" disk will tell you
> > its density by the position of the index aperature in the disk
> ^^^^^^^
> That should be number of SIDES.

Quite so! Brain fart.

> I do not know of ANY way to differentiate SD v DD other than
> manufacturer's label, or pre-existing format.

And I have never experienced any problem considering them to be
interchangeable in 8" usage.
                                                - don

> > jacket. A Single Sided disk has the aperature 7 degrees clockwise
> > of the 12 o'clock position, while a Double Sided disk has it
> > located 26 degrees clockwise of the 12 o'clock position.
> > In other words, SS is at about 1202 and DS is about 1307 hours.
Received on Wed Sep 17 2003 - 17:57:00 BST