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From: saj@chinet.chi.il.us (Stephen Jacobs)
Newsgroups: comp.sys.atari.st
Subject: Re: ST->IBM PC, Floppies OK w/TOS 1.4
Summary: PS2s can read any ST disk if you have a sector editor
Keywords: TOS 1.4, IBM PC Floopy format
Message-ID: <9775@chinet.chi.il.us>
Date: 9 Oct 89 14:32:51 GMT
References: <18093@pasteur.Berkeley.EDU> <10053@stag.math.lsa.umich.edu>
Organization: Chinet - Chicago, Ill.
Lines: 12


This is in reply to a whole bunch of *ABSOLUTELY*WRONG* messages about
exchanging disks between Atari ST-s and IBM PS2 machines.  A PS2 will
correctly read from and write to any disk an ST can format so long as the
boot sector doesn't lie about the format, and so long as the first 3 bytes
of the boot sector are EB 34 90 (that was 3 bytes of hex, people).  If you
copy an IBM boot sector to a floppy with a format different from that 
described in that boot sector it will crap out.  I ROUTINELY put the 3 magic
bytes at the start of disks formatted with TWISTER and use them on PS2s.
   Don't bother flaming me for getting fed up, just fire up DRFLOPPY or
MEMFILE (or even a PS2 sector editor) and TRY IT.
                                 Steve J.