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Path: utzoo!utgpu!water!watmath!clyde!rutgers!cbmvax!grr
From: grr@cbmvax.UUCP
Newsgroups: comp.sys.amiga,comp.sys.ibm.pc
Subject: Re: Reading MacDisks on Amiga
Message-ID: <1907@cbmvax.cbmvax.cbm.UUCP>
Date: Wed, 20-May-87 13:26:10 EDT
Article-I.D.: cbmvax.1907
Posted: Wed May 20 13:26:10 1987
Date-Received: Fri, 22-May-87 00:46:49 EDT
References: <8705080543.AA18112@cory.Berkeley.EDU>
Reply-To: grr@cbmvax.UUCP (George Robbins)
Organization: Commodore Technology, West Chester, PA
Lines: 23
Xref: utgpu comp.sys.amiga:4691 comp.sys.ibm.pc:3697

In article <1548@cadovax.UUCP> keithd@cadovax.UUCP (Keith Doyle) writes:
> In article <494@uhccux.UUCP> yuan@uhccux.UUCP (Yuan Chang) writes:
> >In article <1542@cadovax.UUCP> keithd@cadovax.UUCP (Keith Doyle) writes:
> >>Anybody have any idea how the new IBM PS/2 line gets 1.4 meg on 3 1/2 inch
> >>floppy?  sounds like 720k a side.
> >
> >     It simply uses more tracks per side (160 tracks, versus 80 track/surface
> >on the Amiga).  Yes, it is 720K/side.
> 
> Oh YEAH?  How compatible are the drives (including mounts)?  Anybody know
> what's the possibility of getting a couple of drives, and with some driver 
> hacks upgrading an Amiga to use them?

They're double bit density, not double the number of tracks.  The built-in
floppy disk controller can't handle MFM formats at the 500 K bits/sec rate
used by these drives, 8" DD floppys or the AT 1.2 MB format.  Apple type
GCR might work, but you'd have to write you own floppy driver to test it
out.

-- 
George Robbins - now working for,	uucp: {ihnp4|seismo|rutgers}!cbmvax!grr
but no way officially representing	arpa: cbmvax!grr@seismo.css.GOV
Commodore, Engineering Department	fone: 215-431-9255 (only by moonlite)