From owner-freebsd-stable@FreeBSD.ORG  Sat Dec 12 15:11:16 2009
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 7D5DB1065676;
	Sat, 12 Dec 2009 15:11:16 +0000 (UTC) (envelope-from stb@lassitu.de)
Received: from koef.zs64.net (koef.zs64.net [212.12.50.230])
	by mx1.freebsd.org (Postfix) with ESMTP id 1DEF28FC21;
	Sat, 12 Dec 2009 15:11:15 +0000 (UTC)
Received: from localhost by koef.zs64.net (8.14.3/8.14.3) with ESMTP id
	nBCFBEwA026001
	(version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO);
	Sat, 12 Dec 2009 16:11:14 +0100 (CET)
	(envelope-from stb@lassitu.de) (authenticated as stb)
Mime-Version: 1.0 (Apple Message framework v1077)
Content-Type: text/plain; charset=us-ascii
From: Stefan Bethke <stb@lassitu.de>
In-Reply-To: <4B2380D5.1090102@FreeBSD.org>
Date: Sat, 12 Dec 2009 16:11:13 +0100
Content-Transfer-Encoding: quoted-printable
Message-Id: <96EA1AB3-E916-4373-B533-0E552E3C8C78@lassitu.de>
References: <F8E407F5-CB7D-4351-9D77-B965AF1AE4F7@lassitu.de>
	<4B2380D5.1090102@FreeBSD.org>
To: Alexander Motin <mav@freebsd.org>
X-Mailer: Apple Mail (2.1077)
Cc: FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: ahci and ICH7?
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 12 Dec 2009 15:11:16 -0000

Am 12.12.2009 um 12:39 schrieb Alexander Motin:

> Stefan Bethke wrote:
>> After being very satisfied with ahci(4) on an Intel DG45FC (G45 =
chipset) with 8-stable, I tried on a box with a Asus P-P5G41 (G41 =
chipset), but ahci is not attaching.  atapci continues to attach, and =
I'm wondering whether I'm doing something wrong, the BIOS is =
misconfigured, or ahci can't talk to ICH7-based AHCIs?  I'm loading ahci =
from loader.conf.
>=20
> There are several types of ICH7. Most of them doesn't support AHCI =
mode.
> Rare exceptions are ICH7R and ICH7M AFAIR. G41 is low-end desktop
> chipset, which uses low-end ICH7 SB, so usually there is no luck.

Looks like you're right, the BIOS does not offer any configuration =
option to enable AHCI or RAID functions for the two SATA ports.


Stefan

--=20
Stefan Bethke <stb@lassitu.de>   Fon +49 151 14070811