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From: madd@bucsb.bu.edu.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Help with floppy disk problems
Message-ID: <980@bucsb.bu.edu.UUCP>
Date: Wed, 20-May-87 13:25:15 EDT
Article-I.D.: bucsb.980
Posted: Wed May 20 13:25:15 1987
Date-Received: Fri, 22-May-87 01:05:33 EDT
References: <399@tifsie.UUCP> <62NETOPRDC@NCSUVM> <3587@gitpyr.gatech.EDU> <341@umbc3.UMD.EDU>
Reply-To: madd@bucsb.bu.edu.UUCP (Jim "Jack" Frost)
Organization: ODO (Organization for the Disorganization of Organization)
Lines: 36

In article <341@umbc3.UMD.EDU> stevenj@umbc3 (Steven Vore (PC)) writes:
>In article <3587@gitpyr.gatech.EDU> ges@gitpyr.gatech.EDU (GERALD E. SULLIVAN) writes:
>>In article <62NETOPRDC@NCSUVM>, NETOPRDC@NCSUVM.BITNET writes:
>>> To the person trying to read a 360k floppy in a 1.2 meg floppy drive,
>>> you should be able to read the disk but you will wipe it
>>
>>I have seen 360k floppies written on in 1.2M drives with no ill effects.
>>The floppies were formatted on a 360k drive. 
>
>I do it everyday (read/write 360k disks on AT 1.2M drives). The only problem
>I've had is if I try to FORMAT /4 (or whatever the switch is) a 360k disk on
>the AT.  THEN the XT can't read it.  If I format the disk on the AT, I can 
>move it back and forth between both machines with no problems.  Mabye I've
>just been incredibly lucky?

Could be, but it could also be the 360k drive.  In my experiences,
some computers have no problems from 1.2M<>360K, while others display
the problems that IBM warns about.  I know how come the silly 360K
disks shouldn't work, but what I'm saying is that *some* *do* work.
For instance, I've never had a problem moving diskettes to and from a
true blue AT and a Tandy 1000, but moving from the AT to a Leading
Edge didn't work at all.

At any rate, if you wnat your data you should be careful.  I
personally recommend reformatting the diskette each time you move
between the two systems, and only doing reads on the other system --
no writes.  With this method, I've never had a problem with any
system.  This actually surprizes me, because I would expect the high
intensity drive to format a smaller track and possibly leave traces of
the 360K signal, but it doesn't seem to do this.  Anyone know why?

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
          Jim Frost * The Madd Hacker | UUCP: ..!harvard!bu-cs!bucsb!madd
  H H                                 | ARPA:           madd@bucsb.bu.edu
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