Tandon TM 100 5 1/4" drives

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Mon Oct 18 15:29:27 1999

--- Bill Sudbrink <bill_at_chipware.com> wrote:
> > you didn't say what in particular you were looking for.
>
> Well, they have NorthStar QC tags on them dated 8-4-80.
> I thought that N* tended to be hard sectored and wanted
> to know for sure.


Hard vs soft is a controller issue, not a drive issue (at least for
non-customized drives like those found in the Commodore 4040, et al.)
The drive has to have a sensor for the index hole. The Tandom TM-100
series does. It is ignored in most applications.

> There is a little paper tag next to
> the metal tag with a "2A" on it, so I'll assume from Don's
> message that they are 48 TPI double-sided.

That would be the case. It is the exact model used in the first IBM PCs
and XTs. My Kaypro II has a pair of TM-100-1As.

-ethan


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Received on Mon Oct 18 1999 - 15:29:27 BST

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