From owner-freebsd-questions@FreeBSD.ORG Tue Aug 16 08:35:38 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 357AA16A41F for ; Tue, 16 Aug 2005 08:35:38 +0000 (GMT) (envelope-from mark@mkproductions.org) Received: from ylpvm12.prodigy.net (ylpvm12-ext.prodigy.net [207.115.57.43]) by mx1.FreeBSD.org (Postfix) with ESMTP id C228743D48 for ; Tue, 16 Aug 2005 08:35:32 +0000 (GMT) (envelope-from mark@mkproductions.org) Received: from ylpvm01.prodigy.net (ylpvm01-int.prodigy.net [207.115.5.207]) by ylpvm12.prodigy.net (8.12.10 outbound/8.12.10) with ESMTP id j7G4TEck030789 for ; Tue, 16 Aug 2005 00:30:07 -0400 X-ORBL: [66.139.109.212] Received: from [192.168.1.45] (ppp-66-139-109-212.dsl.stlsmo.swbell.net [66.139.109.212]) by ylpvm01.prodigy.net (8.13.4 dk-milter linux/8.13.4) with ESMTP id j7G4Rnlp006055; Tue, 16 Aug 2005 00:29:00 -0400 Message-ID: <4301790E.8040706@mkproductions.org> Date: Tue, 16 Aug 2005 00:26:38 -0500 From: Mark Kane User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050620) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chuck Swiger References: <430128F1.9@mkproductions.org> <430151A6.2090405@mac.com> In-Reply-To: <430151A6.2090405@mac.com> X-Enigmail-Version: 0.89.6.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 08:35:38 -0000 Chuck Swiger wrote: > Your BIOS ought to have a setting which throttles this down. From what I see in the BIOS it just says "DMA Mode" and then Enabled or Disabled. Unfortunately it doesnt look like any drive-specific options to choose which speed. > 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 Everything seems fine with all the drives until I try to start to transfer data between them at 133 mode. So I think that rc entry you suggested would be perfect, since that would execute before I would start transferring any files. Thanks :) -Mark