From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Playing with SATA NCQ Date: Mon, 30 May 2005 14:48:03 -0400 Message-ID: <429B5FE3.8070908@pobox.com> References: <20050526140058.GR1419@suse.de> <1117382598.4851.3.camel@localhost.localdomain> <4299F47B.5020603@gmail.com> <1117387591.4851.17.camel@localhost.localdomain> <429A58F4.3040308@rtr.ca> <1117438192.4851.29.camel@localhost.localdomain> <429B56CA.5080803@rtr.ca> <1117477364.3108.2.camel@localhost.localdomain> <429B5A94.6010301@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:41707 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261691AbVE3SsO (ORCPT ); Mon, 30 May 2005 14:48:14 -0400 In-Reply-To: <429B5A94.6010301@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord , Erik Slagter , Michael Thonke Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Mark Lord wrote: > Erik Slagter wrote:> > >> Still I'd like to run in ACHI mode ;-) > > > Me too! But from reading the ICH6 Intel docs, > it seems that AHCI mode is only for true SATA drives. Correct. AHCI mode absolutely requires SATA, because it only supports the native SATA "FIS" packets. As much as I would like, one cannot use AHCI to talk to any PATA device[1]. Jeff [1] unless it's PATA bridged over SATA, the exception case that turns any PATA device into a SATA device.