From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ICH9 2 port SATA controller port map? Date: Tue, 02 Oct 2007 16:57:28 +0900 Message-ID: <4701F9E8.6020403@gmail.com> References: <39B20DF628532344BC7A2692CB6AEE0701CC0C09@orsmsx420.amr.corp.intel.com> <46FB0273.60302@gmail.com> <39B20DF628532344BC7A2692CB6AEE0701CF2D29@orsmsx420.amr.corp.intel.com> <46FDDFA5.8040209@gmail.com> <39B20DF628532344BC7A2692CB6AEE0701CF304E@orsmsx420.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wr-out-0506.google.com ([64.233.184.229]:40430 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752457AbXJBInE (ORCPT ); Tue, 2 Oct 2007 04:43:04 -0400 Received: by wr-out-0506.google.com with SMTP id 36so2084375wra for ; Tue, 02 Oct 2007 01:43:03 -0700 (PDT) In-Reply-To: <39B20DF628532344BC7A2692CB6AEE0701CF304E@orsmsx420.amr.corp.intel.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Gaston, Jason D" Cc: linux-ide@vger.kernel.org Gaston, Jason D wrote: >>> What is the difference between NA and RV? If the controller only has >>> access to 2 ports, does it matter which I set the nonexistent port >>> values to in the map? >> NA is used for unimplemented ports of a valid configuration while RV is >> used to mark invalid MAP value. So, NA should be mixed with P[0-3] >> while RV can't be mixed with any other values. >> >> -- >> Tejun > > When you say "can't be mixed" do you mean I should not have [P0 RV P1 > RV] on the same line? If that is the case, then I assume my only > choice, for the 2 port controller (physically ports 5 & 6) would be [P0 > NA P1 NA]. Yeap, that's correct. -- tejun