From owner-freebsd-questions@FreeBSD.ORG Tue Aug 16 02:38:32 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ACF0916A41F for ; Tue, 16 Aug 2005 02:38:32 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0EB9D43D48 for ; Tue, 16 Aug 2005 02:38:32 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id 7C2575CC5; Mon, 15 Aug 2005 22:38:31 -0400 (EDT) Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 04183-10; Mon, 15 Aug 2005 22:38:30 -0400 (EDT) Received: from [192.168.1.3] (pool-68-161-79-217.ny325.east.verizon.net [68.161.79.217]) by pi.codefab.com (Postfix) with ESMTP id 0F21F5C53; Mon, 15 Aug 2005 22:38:29 -0400 (EDT) Message-ID: <430151A6.2090405@mac.com> Date: Mon, 15 Aug 2005 22:38:30 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.11) Gecko/20050801 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mark Kane References: <430128F1.9@mkproductions.org> In-Reply-To: <430128F1.9@mkproductions.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at codefab.com Cc: freebsd-questions@freebsd.org Subject: Re: How to Force UDMA100 Mode on Boot? 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, 16 Aug 2005 02:38:32 -0000 Howdy-- Mark Kane wrote: [ ... ] > I know about atacontrol to set it manually, but I'd like to set UDMA100 > mode automatically on boot since I have 5 hard drives. I also know the > sysctl hw.ata.ata_dma, but that doesn't say anything about using 100 vs > 133. Your BIOS ought to have a setting which throttles this down. Simply changing in within FreeBSD might be a little late, since the system has to boot far enough to get to that, or you might run some other OS on the machine one fine day. Anyway, consider: touch /etc/rc.local echo "/sbin/atacontrol mode ..." >> /etc/rc.local -- -Chuck