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Date:      Thu, 21 Nov 2002 15:36:44 -0800
From:      David Schultz <dschultz@uclink.Berkeley.EDU>
To:        Andrew Y Ng <ayn@AndrewNg.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Boot stuck at F1 after swapping drives
Message-ID:  <20021121233644.GG6062@HAL9000.homeunix.com>
In-Reply-To: <Pine.LNX.4.44.0211202135020.16255-100000@andromeda.68k.org>
References:  <Pine.LNX.4.44.0211202135020.16255-100000@andromeda.68k.org>

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Thus spake Andrew Y Ng <ayn@AndrewNg.com>:
> Hi all, I shutdown FreeBSD and changed my harddrive and
> booted up Win2K this morning (needed Windoze for something
> real quick). I put the FreeBSD harddrive back and it wouldn't
> boot, it got stuck at the F1 boot0 prompt.  Like it couldn't
> find the MBR or something. How do I get it to boot again?

Make sure you've got boot0 on the primary master (assuming IDE) or
da0 (SCSI) and on no other drives.  Booting from one boot manager
on the BIOS boot disk to boot0 on another drive hasn't worked well
in my experience.

Also, make sure FreeBSD's idea of your drive geometry matches what
the BIOS thinks.  Posting disklabel and 'fdisk -s' output might
help.  (The fixit CD is your friend here.)

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