From owner-freebsd-mobile@FreeBSD.ORG Mon May 14 20:00:03 2007 Return-Path: X-Original-To: freebsd-mobile@freebsd.org Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 646BB16A406 for ; Mon, 14 May 2007 20:00:03 +0000 (UTC) (envelope-from anderson@freebsd.org) Received: from mh2.centtech.com (moat3.centtech.com [64.129.166.50]) by mx1.freebsd.org (Postfix) with ESMTP id BBC4013C455 for ; Mon, 14 May 2007 20:00:02 +0000 (UTC) (envelope-from anderson@freebsd.org) Received: from neutrino.centtech.com (neutrino.centtech.com [10.177.171.220]) by mh2.centtech.com (8.13.8/8.13.8) with ESMTP id l4EJxoBv062574; Mon, 14 May 2007 14:59:50 -0500 (CDT) (envelope-from anderson@freebsd.org) Message-ID: <4648BFB6.4090003@freebsd.org> Date: Mon, 14 May 2007 14:59:50 -0500 From: Eric Anderson User-Agent: Thunderbird 2.0.0.0 (X11/20070420) MIME-Version: 1.0 To: Kevin Oberman References: <20070514171940.973FA45042@ptavv.es.net> In-Reply-To: <20070514171940.973FA45042@ptavv.es.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.88.4/3243/Mon May 14 05:49:49 2007 on mh2.centtech.com X-Virus-Status: Clean X-Spam-Status: No, score=-1.8 required=8.0 tests=AWL,BAYES_05 autolearn=ham version=3.1.6 X-Spam-Checker-Version: SpamAssassin 3.1.6 (2006-10-03) on mh2.centtech.com Cc: Tom Evans , Abdullah Ibn Hamad Al-Marri , Charles Trevor , freebsd-mobile@freebsd.org Subject: Re: Recommended laptops for FreeBSD 6.x ... X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 May 2007 20:00:03 -0000 On 05/14/07 12:19, Kevin Oberman wrote: >> From: Tom Evans >> Date: Mon, 14 May 2007 17:48:09 +0100 >> Sender: owner-freebsd-mobile@freebsd.org >> >> >> --=-jdMU/vAkVlVQBOC0m45e >> Content-Type: text/plain >> Content-Transfer-Encoding: quoted-printable >> >> On Mon, 2007-05-14 at 10:18 -0500, Eric Anderson wrote: >>> On 05/14/07 10:07, Tom Evans wrote: >>>> On Mon, 2007-05-14 at 11:17 +0300, Abdullah Ibn Hamad Al-Marri wrote: >>>>> That's alright, but I don't think we are going to look for single core >>>>> cpu anymore these days, maybe just for tabletpc to save power? >>>>> >>>> =20 >>>> If your primary concern is as a road warrior, then battery life might >>>> appeal to you more than a 40% reduction in 'make buildworld'. >>>> =20 >>>> Personally I love my dual core lappy, but I use battery power about 10% >>>> of the time, and always under 1 hour. >>> =20 >>> =20 >>> Note that a Core 2 Duo processor may use noticeably less power than a=20 >>> single core . >>> =20 >>> =20 >>> Eric >>> =20 >> I find it still uses more juice with both cores enabled than just one - >> in which case, surely a Core Solo might be a better bet. I'm not sure on >> availability of Core 2 Duo ULV processors in off-the-shelf laptops. > > For the record, Pentium4 based systems use a LOT more power than either > Pentium-M (aka Centrino). I have not carefully evaluated the power > consumption of Core Duo systems, but they are higher then similar > Pentium-M systems. P4 systems also run much hotter than P-M or Core Duo > systems. Note that I said 'Core 2' not 'Core'. Eric