From owner-freebsd-questions@FreeBSD.ORG Wed Jan 27 17:24:48 2010 Return-Path: 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 BDA93106568D for ; Wed, 27 Jan 2010 17:24:48 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (lor.one-eyed-alien.net [69.66.77.232]) by mx1.freebsd.org (Postfix) with ESMTP id 5EBAB8FC13 for ; Wed, 27 Jan 2010 17:24:48 +0000 (UTC) Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.14.3/8.14.3) with ESMTP id o0RHAIYM040156; Wed, 27 Jan 2010 11:10:18 -0600 (CST) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.14.3/8.14.3/Submit) id o0RHAIk0040155; Wed, 27 Jan 2010 11:10:18 -0600 (CST) (envelope-from brooks) Date: Wed, 27 Jan 2010 11:10:18 -0600 From: Brooks Davis To: Dan Naumov Message-ID: <20100127171017.GA40068@lor.one-eyed-alien.net> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="opJtzjQTFsWo+cga" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (lor.one-eyed-alien.net [127.0.0.1]); Wed, 27 Jan 2010 11:10:18 -0600 (CST) Cc: FreeBSD-STABLE Mailing List , freebsd-questions@freebsd.org Subject: Re: booting off GPT partitions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jan 2010 17:24:48 -0000 --opJtzjQTFsWo+cga Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jan 27, 2010 at 06:45:36PM +0200, Dan Naumov wrote: > Hey >=20 > I was under the impression that everyone and their dog is using GPT > partitioning in FreeBSD these days, including for boot drives and that > I was just being unlucky with my current NAS motherboard (Intel > D945GCLF2) having supposedly shaky support for GPT boot. But right now > I am having an email exchange with Supermicro support (whom I > contacted since I am pondering their X7SPA-H board for a new system), > who are telling me that booting off GPT requires UEFI BIOS, which is > supposedly a very new thing and that for example NONE of their current > motherboards have support for this. >=20 > Am I misunderstanding something or is the Supermicro support tech misguid= ed? The compatability MBR should be sufficent to let a non-GPT aware BIOS boot from GPT. Once you've loaded code from the boot partition, the BIOS doesn't need to know anything about the partitions. -- Brooks --opJtzjQTFsWo+cga Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iD8DBQFLYHN5XY6L6fI4GtQRAk6uAKCDz8HRDrS/Cjibj8Pqg7/OziXrFQCdGKAr gRQvLCMrggm9C1qKuyi727E= =ZIxv -----END PGP SIGNATURE----- --opJtzjQTFsWo+cga--