DS 1.0 (was: DOS 1.0 copyright string

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Mon Sep 10 13:23:25 2001

On Mon, 10 Sep 2001, Stan Sieler wrote:
> DOS 1.1 differed from DOS 1.0 in that 1.1 supported double sided
> floppies, and 1.0 didn't.

In MS-DOS, the DS version was usually called 1.25, but (other than
GWBASIC) seemed to be the same as PC-DOS 1.10

> (Yes, you could get an unofficial patch
> for 1.0 that added double sided support, but the mechanism it used
> wasn't compatible with the 1.1 mechanism.)

It assigned additional drive letters, and used the second side of each
drive as if it were another disk!

Somewhere, in one of Sellam's boxes from my office is an original copy of
the sheet of paper containing that patch.

Grumpy Ol' Fred        cisin_at_xenosoft.com
Received on Mon Sep 10 2001 - 13:23:25 BST

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