From owner-freebsd-questions Tue May 30 5:43:36 2000 Delivered-To: freebsd-questions@freebsd.org Received: from cc942873-a.ewndsr1.nj.home.com (cc942873-a.ewndsr1.nj.home.com [24.2.89.207]) by hub.freebsd.org (Postfix) with ESMTP id 7CCEC37B5F7 for ; Tue, 30 May 2000 05:43:33 -0700 (PDT) (envelope-from cjc@cc942873-a.ewndsr1.nj.home.com) Received: (from cjc@localhost) by cc942873-a.ewndsr1.nj.home.com (8.9.3/8.9.3) id IAA62462; Tue, 30 May 2000 08:43:25 -0400 (EDT) (envelope-from cjc) Date: Tue, 30 May 2000 08:43:24 -0400 From: "Crist J. Clark" To: Al Goldstein Cc: questions@FreeBSD.ORG Subject: Re: dos partition Message-ID: <20000530084324.A62321@cc942873-a.ewndsr1.nj.home.com> Reply-To: cjclark@home.com References: <20000529161339.J58958@cc942873-a.ewndsr1.nj.home.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: ; from al@sense-gold-134.oz.net on Tue, May 30, 2000 at 12:32:11AM -0700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message