From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: SuperMicro X8DTL-6F motherboard, Intel ICH10 SATA, SiI3726 SATA port multiplier Date: Tue, 09 Mar 2010 17:14:22 +0900 Message-ID: <4B96035E.80503@kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:49414 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751813Ab0CIIO0 (ORCPT ); Tue, 9 Mar 2010 03:14:26 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Todd Pfaff Cc: linux-ide@vger.kernel.org On 02/23/2010 06:02 AM, Todd Pfaff wrote: > Despite the appearance of partial success in my syslog messages below (ie. > PMP appeared to sorta kinda be trying to work, almost), I've since read > some more that leads me to believe that Intel ICH10 does not support PMP. > And Intel authoritatively says so here: > > http://www.intel.com/Assets/PDF/datasheet/319973.pdf > > page 538, section 14.4.1.1, Bit 17 > > Supports Port Multiplier (PMS) - R/WO. ICH10 does not support port > multiplier. > NOTE: This bit must be set to 0. Port multiplier is not supported by > ICH10. > > So, I give up. I edited the wiki page here accordingly since it was > wrong: > > http://ata.wiki.kernel.org/index.php/SATA_hardware_features Eh... some variants of ich8/9/10's definitely support PMP as indicated by the PMS bit. Reverting the edit. Thanks. -- tejun