4 floppy disk drives on a PC?

[Randy McLaughlin]

From: "Fred Cisin" <cisin at xenosoft.com>
> On Mon, 17 Jan 2005, Randy McLaughlin wrote:
>> I may be wrong but as I remember there was also a 100tpi drive (in both
>> single and double sided versions) but to be fair I only remember it as 
>> being
>> hard sectored MFM.
>
> Micropolis did soft sectored 100tpi.  (and also made 48tpi)
> Very nice drive, with a somewhat slow helical lead screw positioner.
> The Tandon TM-100-4M was also 100tpi ("M" stood for "micropolis"?)
>
>
> When Tony originally wrote that FAQ, we agreed that the 100tpi was obscure
> enough that it didn't need to be mentioned in the FAQ (along with things
> like the AMLYN drive)
>
> There have certainly been some strange additional variations!
>
> --
> Grumpy Ol' Fred     cisin at xenosoft.com

Trying to remember 30 years of stuff I only "worked" on one for a customer 
and it appeared to be an alignment problem.  I didn't have an alignment disk 
for it so I had to send it to another shop that said they could handle it 
(as I remember they didn't).


Randy