From owner-freebsd-mobile@FreeBSD.ORG Mon Oct 11 17:00:06 2004 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 09B1516A4CE for ; Mon, 11 Oct 2004 17:00:06 +0000 (GMT) Received: from tx1.oucs.ox.ac.uk (tx1.oucs.ox.ac.uk [129.67.1.167]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1ED2D43D45 for ; Mon, 11 Oct 2004 17:00:05 +0000 (GMT) (envelope-from colin.percival@wadham.ox.ac.uk) Received: from scan1.oucs.ox.ac.uk ([129.67.1.166] helo=localhost) by tx1.oucs.ox.ac.uk with esmtp (Exim 4.24) id 1CH3Wl-0004Te-JK for freebsd-mobile@freebsd.org; Mon, 11 Oct 2004 18:00:04 +0100 Received: from rx1.oucs.ox.ac.uk ([129.67.1.165]) by localhost (scan1.oucs.ox.ac.uk [129.67.1.166]) (amavisd-new, port 25) with ESMTP id 16148-10 for ; Mon, 11 Oct 2004 18:00:03 +0100 (BST) Received: from gateway.wadham.ox.ac.uk ([163.1.161.253]) by rx1.oucs.ox.ac.uk with smtp (Exim 4.24) id 1CH3Wl-0004TW-5m for freebsd-mobile@freebsd.org; Mon, 11 Oct 2004 18:00:03 +0100 Received: (qmail 7254 invoked by uid 1004); 11 Oct 2004 17:00:03 -0000 Received: from colin.percival@wadham.ox.ac.uk by gateway by uid 71 with qmail-scanner-1.20 (clamscan: 0.67. sweep: 2.18/3.79. Clear:RC:1(163.1.161.203):. Processed in 0.208415 secs); 11 Oct 2004 17:00:03 -0000 Received: from dhcp1203.wadham.ox.ac.uk (HELO ?163.1.161.203?) (163.1.161.203) by gateway.wadham.ox.ac.uk with SMTP; 11 Oct 2004 17:00:02 -0000 Message-ID: <416ABC12.8050001@wadham.ox.ac.uk> Date: Mon, 11 Oct 2004 18:00:02 +0100 From: Colin Percival User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040928) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Phillip Neumann References: <200410110636.i9B6ahIK062590@web2.zoznam.sk> <416A300B.60503@gmx.de> <20041011110657.A17916@unsane.co.uk> <1097498774.1351.2.camel@localhost> In-Reply-To: <1097498774.1351.2.camel@localhost> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 8bit cc: freebsd-mobile@freebsd.org Subject: Re: SpeedStep suport under 5.3 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Oct 2004 17:00:06 -0000 Phillip Neumann wrote: > El lun, 11-10-2004 a las 10:12, Vince Hoffman escribió: >>(11:06:38 ) 0 $ more pkg-descr >>This is a driver for the Enhanced SpeedStep feature in Intel Pentium M >>processors. >> >>WWW: http://www.daemonology.net/freebsd-est/ > > Yes, it changes the CPU freq, but it does not change the voltages... so > the battery life gets no longer.. 8( It changes both the cpu frequency and voltage, following the official specs from Intel. If you're not seeing increased battery life, you're probably comparing against the battery life when your machine boots up on battery power -- many laptop BIOSes will set the processor to the minimum speed and voltage in such cases. Colin Percival