Re: Lost disk sectors

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Article #27519

#27519

From: Dave Clemans
Date: Thu, 09 Jul 1987 20:46

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From what I've understood, the two missing sectors in GEMDOS disk partitions are
a result of a mistake made by whoever at Digital Research implemented GEMDOS.

MS-DOS reserves the first two entries in the FAT, as does GEMDOS.  However, MS-DOS
adjusts the FAT table size to account for the reserved entries (i.e. increases its
size by two).  GEMDOS doesn't do this; thus the last two clusters get lost.

dgc

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References: <8707071803.AA02575@yale-eli.arpa> <1885@oliveb.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!husc6!mit-eddie!uw-beaver!tektronix!sequent!mntgfx!dclemans
From: dclemans@mntgfx.MENTOR.COM (Dave Clemans)
Newsgroups: comp.sys.atari.st
Subject: Re: Lost disk sectors
Message-ID: <794@dclemans.mntgfx.MENTOR.COM>
Date: Thu, 9-Jul-87 16:46:03 EDT
Article-I.D.: dclemans.794
Posted: Thu Jul  9 16:46:03 1987
Date-Received: Sun, 12-Jul-87 07:30:38 EDT
References: <8707071803.AA02575@yale-eli.arpa> <1885@oliveb.UUCP>
Organization: Mentor Graphics, Beaverton OR
Lines: 9
Summary: why 2 missing sectors

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