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From: whizzo@eddie.MIT.EDU (David Hardy)
Newsgroups: comp.sys.cbm
Subject: 1581 drive
Message-ID: <6266@eddie.MIT.EDU>
Date: Thu, 9-Jul-87 15:49:36 EDT
Article-I.D.: eddie.6266
Posted: Thu Jul  9 15:49:36 1987
Date-Received: Sun, 12-Jul-87 06:22:17 EDT
Organization: MIT EE/CS Computer Facility, Cambridge, MA
Lines: 12
Keywords: 1581

I have a Commodore 1581 disk drive and a Commodore 64 computer.  After I got
the drive I was told that it uses MFM rather than GCR, and that MFM has a bug
in it which can cause errors in reading data.  

Can someone enlighten me as to what this means, what the bug is, if any, how
it manifests itself, and how to avoid it, etc...
                                                          >>> Dave
-- 
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"An argument is a connected series of statements intended to establish a
 proposition.  It isn't just contradiction  ..................  Can be!"
                     David Hardy    (whizzo@EDDIE.MIT.EDU)