Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!um-math!hyc
From: hyc@math.lsa.umich.edu (Howard Chu)
Newsgroups: comp.sys.atari.st
Subject: Re: 3-1/4 drive prices.
Message-ID: <610@stag.math.lsa.umich.edu>
Date: 30 Mar 89 06:20:23 GMT
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In article <28593@ucbvax.BERKELEY.EDU> brianp@ernie.Berkeley.EDU.UUCP (Brian Peterson) writes:
%In article <1227@ns.network.com> logajan@ns.network.com (John Logajan) writes:
%->I walked into our local atari store saturday looking to buy a double sided
%->3-1/4 inch drive for my 520 ST (I still have the original single sided
%->drive that came with it in 1986.)  When I saw the price was $300.00 I turned
%...
%->Does any third party hardware place sell double sided floppy drives (it is 
%...
%
%What is involved in putting a generic floppy drive onto an ST?
%There are 3.5" drives listed for cheap in a PC ad in
%Bay Area Computer Currents magazine.  They are TEAC 720k for $79,
%TEAC 1.44M for $89, and SONY 1.44M for $99.  Also, 'universal floppy'
%controller (for 1.44, 1.2, 720, 360) for $45.
%Would one of these things need box, power supply, and cable?
%And knowledge of which floppy-drive outputs go to the Atari interface?
%
%Also, what's the deal with a 1.44M floppy drive?  Looks like it crams
%stuff on at double density.  Would those be compatible with regular
%disk formats, maybe by using some special mode to read 720k disks
%instead of 1.44M disks?

Yep - case, power supply, and cable. That's all, for a 720K drive. These
are already "double density" - 1.2 meg is "quad" and 1.44 is "high"
density, requiring a different controller. Anyone know if Western Digital
has a new controller chip that does everything the 1772 does in the ST,
with high density support? Is that  universal controller a board for a PC?
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