From owner-freebsd-questions@FreeBSD.ORG  Mon Sep  5 17:21:23 2011
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 270C41065672
	for <freebsd-questions@freebsd.org>;
	Mon,  5 Sep 2011 17:21:23 +0000 (UTC)
	(envelope-from wblock@wonkity.com)
Received: from wonkity.com (wonkity.com [67.158.26.137])
	by mx1.freebsd.org (Postfix) with ESMTP id D74458FC17
	for <freebsd-questions@freebsd.org>;
	Mon,  5 Sep 2011 17:21:22 +0000 (UTC)
Received: from wonkity.com (localhost [127.0.0.1])
	by wonkity.com (8.14.5/8.14.5) with ESMTP id p85HLIKw008295;
	Mon, 5 Sep 2011 11:21:18 -0600 (MDT)
	(envelope-from wblock@wonkity.com)
Received: from localhost (wblock@localhost)
	by wonkity.com (8.14.5/8.14.5/Submit) with ESMTP id p85HLI6H008292;
	Mon, 5 Sep 2011 11:21:18 -0600 (MDT)
	(envelope-from wblock@wonkity.com)
Date: Mon, 5 Sep 2011 11:21:18 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Graham Bentley <admin@cpcnw.co.uk>
In-Reply-To: <45FC473B20A540FB8BC59D14A35989D2@admin>
Message-ID: <alpine.BSF.2.00.1109051116000.7840@wonkity.com>
References: <20110905120034.969251065832@hub.freebsd.org>
	<45FC473B20A540FB8BC59D14A35989D2@admin>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7
	(wonkity.com [127.0.0.1]); Mon, 05 Sep 2011 11:21:18 -0600 (MDT)
X-Virus-Scanned: clamav-milter devel-20110704-exp at wonkity.com
X-Virus-Status: Clean
Cc: freebsd-questions@freebsd.org
Subject: Re: Re-create MBR
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 05 Sep 2011 17:21:23 -0000

On Mon, 5 Sep 2011, Graham Bentley wrote:

> I had to install Linux to participate in a project I was involved with.
> Now is all finished I have restored the partition but now
> need a 3bsd boot sector back. Scheme is ;
>
> 0 Primary XP
> 0 Extended FAT32
> 1 Primary FreeBSD
>
> Approx 1/3 disc for each. How can I restore the 3bsd
> boot sector?

If you mean the FreeBSD boot0 multi-boot loader, see boot0cfg(8).  It 
can be run from a live CD like mfsBSD (http://mfsbsd.vx.sk/).