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Date:      Tue, 30 May 2000 08:43:24 -0400
From:      "Crist J. Clark" <cjc@cc942873-a.ewndsr1.nj.home.com>
To:        Al Goldstein <al@sense-gold-134.oz.net>
Cc:        questions@FreeBSD.ORG
Subject:   Re: dos partition
Message-ID:  <20000530084324.A62321@cc942873-a.ewndsr1.nj.home.com>
In-Reply-To: <Pine.LNX.4.21.0005300026020.758-100000@sense-gold-134.oz.net>; from al@sense-gold-134.oz.net on Tue, May 30, 2000 at 12:32:11AM -0700
References:  <20000529161339.J58958@cc942873-a.ewndsr1.nj.home.com> <Pine.LNX.4.21.0005300026020.758-100000@sense-gold-134.oz.net>

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On Tue, May 30, 2000 at 12:32:11AM -0700, Al Goldstein wrote:
> On Mon, 29 May 2000, Crist J. Clark wrote:
> 
> Hi Crist,
> I found the answer to my problem in the Linux man page of fdisk.
> 
> The first 512 bytes of the dos partition must contain all zeros.
> 
> So: dd if=/dev/zero of=/dev/wd0s1 bs=512 count=1
> 
> fixed the dos partition. The newfs_msdos formatted it OK.

That effectively erases the MBR. That same command pops up on the
FreeBSD pages when discussing how to completely nuke the MSDOS setup
to do a dangerously dedicated disk,

  http://www.freebsd.org/tutorials/formatting-media/article.html

Glad it worked out.
-- 
Crist J. Clark                           cjclark@home.com


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