From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Thonke Subject: Re: Playing with SATA NCQ Date: Mon, 30 May 2005 20:34:59 +0200 Message-ID: <429B5CD3.7080106@gmail.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=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wproxy.gmail.com ([64.233.184.204]:35479 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S261708AbVE3SfD (ORCPT ); Mon, 30 May 2005 14:35:03 -0400 Received: by wproxy.gmail.com with SMTP id 68so1807434wri for ; Mon, 30 May 2005 11:35:03 -0700 (PDT) In-Reply-To: <429B5A94.6010301@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Erik Slagter , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Mark Lord schrieb: > 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. > > Or perhaps I've mis-read that part. > > Cheers > Well your're right NCQ i only a feature of SATA drives (native ones) not like the SATA drives that uses Marvell Brigde chip (orig. PATA) like Samsung SP80 SPxxxx series. The new ones are real SATA drives. But some PATA devices and controllers support TCQ. There're surviral docs about this..also Jeff Garzik mentoined it on his libata doc site. Greets and best regards Michael