From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Tso Subject: Re: No NCQ support on X61s Ultrabay? (Intel ICH8 SATA controller question) Date: Thu, 30 Apr 2009 07:38:14 -0400 Message-ID: <20090430113814.GB4809@mit.edu> References: <49F90CA2.4080602@garzik.org> <20090430083309.437f9248@lithium.local.net> <20090430113445.GA4809@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from thunk.org ([69.25.196.29]:47005 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751306AbZD3LiY (ORCPT ); Thu, 30 Apr 2009 07:38:24 -0400 Content-Disposition: inline In-Reply-To: <20090430113445.GA4809@mit.edu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alex Buell , Jeff Garzik , linux-kernel@vger.kernel.org, Matthew Wilcox , Linux IDE mailing list On Thu, Apr 30, 2009 at 07:34:45AM -0400, Theodore Tso wrote: > On Thu, Apr 30, 2009 at 08:33:09AM +0100, Alex Buell wrote: > > On Wed, 29 Apr 2009 22:27:46 -0400, I waved a wand and this message > > magically appears in front of Jeff Garzik: > > > > > As Tejun noted, try switching to AHCI mode in BIOS. > > > > But is there a way to switch modes without needing to go through the > > BIOS? Some laptops won't let you do that through BIOS. > > The BIOS setting already is in AHCI mode, and not in "compatibility > mode". Thinking about this a bit more, I'll bet the problem is the BIOS setting is only affecting the primary SATA ports (which are being grabed by ahci) and not the SATA port in the Ultrabay slot (which is being picked up by either the ata_piix or piix driver). Sigh... - Ted