On Oct 13, 8:34, allisonp(a)world.std.com wrote:
I know when NS* offered
the DD controller one option was 96tpi twosided drives and it was called
quad density as it was 800k and the same controller single density on
a 35track single sided (the introductory format) was a whopping 90k!
I remember *them* well. And I remember the awe at getting Apple DOS 3.3
140K on the same drive (well, same SS 35 tracks, anyway).
--
Pete Peter Turnbull
Dept. of Computer Science
University of York