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From: Mike Jeays <mj001@rogers.com>
To: Jonathon McKitrick <jcm@FreeBSD-uk.eu.org>
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Date: Sun, 20 Nov 2005 19:08:32 -0500
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Cc: freebsd-questions@freebsd.org
Subject: Re: How do I re-format 'dangerously dedicated' drive?
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On Sun, 2005-11-20 at 23:24 +0000, Jonathon McKitrick wrote:
> Hi all,
> 
> I don't have an MS-DOS floppy, and I think my CDROM isn't booting because the
> HD is 'dangerously dedicated,' even though it is a bootable CD and the BIOS is
> set to boot it first.
> 
> I want to totally clear my drive so I can reinstall from scratch from CDROM.
> How can I do this?
> 
> jm

I would reset the BIOS to boot from the CD, and then do a complete
reinstall.  The boot order can usually be set to whatever you like.  A
complete reinstall will then give you the opportunity to restore the
usual disk labels and boot manager.