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Date:      Fri, 4 Aug 2000 16:20:50 -0500 (CDT)
From:      Doug Lee <dgl@visi.com>
To:        John Baldwin <jhb@pike.osd.bsdi.com>
Cc:        questions@FreeBSD.org
Subject:   Re: Is `fdisk /mbr' REQUIRED to reuse DD drives?
Message-ID:  <Pine.BSF.4.21.0008041619300.397-100000@kirk.dsl.visi.com>
In-Reply-To: <200008041843.LAA43862@pike.osd.bsdi.com>

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You called it; fdisk/mbr fixed it completely.  Sure glad I didn't try
something more time-consuming like a BIOS update first...

-- 
Doug Lee
dgl@visi.com
http://www.visi.com/~dgl

On Fri, 4 Aug 2000, John Baldwin wrote:

> Doug Lee wrote:
> > I have a 4GB IDE drive formerly "dangerously dedicated" as a FreeBSD drive
> > but which now lives in a Win95 box.  I moved the drive from the FreeBSD
> > box to the Windows box, then ran fdisk (it took a couple of runs and CMOS
> > updates to get the Windows box to recognize the full 4GB), then format,
> > sys (I forgot about format /s), and finally copied all my files to it
> > under Windows to preserve long names.  It all works.....
> > 
> > except that it won't boot.  I can boot from a customized floppy that hops
> > straight into Win95 on C:, but if I try to boot the C drive, I get
> > something roughly like "bank 0 fp  bank 1 fp   boot error" and a machine
> > that waits for a better idea of where to start.  (I'm not home right now,
> > so I'm having to reproduce the error message from my faulty memory :-)  I
> > have two theories:  (1) My BIOS can't handle booting from the drive, and
> > (2) I have to run fdisk/mbr to fix this.  Before I tinker with the drive
> > (which is now full of data), I thought I'd ask those of you who have
> > converted DD drives to more standard configurations...
> > 
> > Is there a chance that running fdisk/mbr would help here, or would it be a
> > waste of time by now?
> 
> Most likely, yes.  fdisk /mbr updates the code used to boot your machine,
> and that probably hasn't been touched since you initially put dd mode on
> it.  As a result, it is trying to boot FreeBSD and failing. :)
> 
> 



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