From owner-freebsd-questions@FreeBSD.ORG Tue Jul 27 17:27:31 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D886E1065670 for ; Tue, 27 Jul 2010 17:27:31 +0000 (UTC) (envelope-from jerry@nrdx.com) Received: from www3.stelesys.com (www3.stelesys.com [69.61.23.66]) by mx1.freebsd.org (Postfix) with ESMTP id ADF398FC12 for ; Tue, 27 Jul 2010 17:27:31 +0000 (UTC) Received: from c-76-17-97-137.hsd1.ga.comcast.net ([76.17.97.137] helo=[192.168.0.104]) by www3.stelesys.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.72 (FreeBSD)) (envelope-from ) id 1Odnw9-000Nkx-9Z for freebsd-questions@freebsd.org; Tue, 27 Jul 2010 13:27:29 -0400 Message-ID: <4C4F16FF.8090001@nrdx.com> Date: Tue, 27 Jul 2010 13:27:27 -0400 From: Jerry Bell User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.7) Gecko/20100713 Thunderbird/3.1.1 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - www3.stelesys.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [26 6] / [26 6] X-AntiAbuse: Sender Address Domain - nrdx.com Subject: Re: How to enable NCQ on freebsd 8.1 ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Jul 2010 17:27:31 -0000 I believe you need to use AHCI. I recently moved a test system over to AHCI and this is what I see at boot time for my hard drive: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: ATA-8 SATA 2.x device ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C) Regards, Jerry On 7/27/2010 12:47 PM, Nickolay Krylov wrote: > Hi, all. > > I have enabled "options ATA_CAM" in the generic kernel and now can't understand > NCQ works or not.