On Tue, 17 Apr 2001, Fred Cisin (XenoSoft) wrote:
> On 16 Apr 2001, Frank McConnell wrote:
> > > Micropolis had 2 major models of their 5.25" drive. One was 48TPI,...
> > > The other was 100 TPI, with 77 tracks, not to be confused with the far
>
> > Hmm, here I sit looking at one of a pair of Micropolis model 1115-VI.
> > It's a 5.25" full-height drive, serial 0372. Someone (not me) helpfully
> > wrote on it with a marker:
> > 96 TPI
> > 2 SIDED
> > 5 1/4
> > Date codes on the ICs would seem to place its manufacture sometime
> > in early-mid 1983.
> > Was the someone with the marker perhaps mistaken?
> > Hard to tell from http://www.mfarris.com/know/floppy/floppy2.html --
> > that doesn't seem to get any more specific than "SD"/"DD"/"QD"/"HD".
>
> They might be right. I had heard that Micropolis came out later with a
> 96TPI, but I've never seen it. The date code and the double sided is
> consistent with that. Is it really 2 sided? What kind of door assembly
> does it have?
Fred, looking at the listing in the Pocket PCRef which shows a
Micropolis 1115-6 vice 1115-VI. Unfortunately, however, it
characterizes it as 720K DSQD which does not clarify a darn thing!
- don
> But they might be mistaken, and have ASSUMED 96TPI due to it not being
> 48TPI, and/or having about 80 tracks. I've even seen people label 720K
> 5.25" drives as being 1/2M, "because it's NOT a 360K".
>
> Unfortunately, I no longer have my files of sales literature and spec
> sheets, that would have at least let us compare that model number with
> known older ones.
>
> --
> Fred Cisin cisin_at_xenosoft.com
> XenoSoft http://www.xenosoft.com
> PO Box 1236 (510) 558-9366
> Berkeley, CA 94701-1236
>
>
Received on Tue Apr 17 2001 - 14:58:00 BST