From owner-freebsd-hackers@FreeBSD.ORG Fri Jul 25 14:56:12 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A5770106568A; Fri, 25 Jul 2008 14:56:12 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [209.31.154.42]) by mx1.freebsd.org (Postfix) with ESMTP id 7C9328FC14; Fri, 25 Jul 2008 14:56:12 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [209.31.154.41]) by cyrus.watson.org (Postfix) with ESMTP id 0FF8346B03; Fri, 25 Jul 2008 10:56:12 -0400 (EDT) Date: Fri, 25 Jul 2008 15:56:11 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Jeremy Chadwick In-Reply-To: <20080724202140.GA2893@eos.sc1.parodius.com> Message-ID: <20080725155502.Q21557@fledge.watson.org> References: <1216910072.2251.8.camel@jill.exit.com> <20080724202140.GA2893@eos.sc1.parodius.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Zamri Besar , freebsd-mobile@freebsd.org, freebsd-hackers Subject: Re: Laptop suggestions? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jul 2008 14:56:12 -0000 On Thu, 24 Jul 2008, Jeremy Chadwick wrote: > And if you go with Lenovo, be aware that their T60/T60p/T61/T61p series (and > possibly the X-series) are known to sport very high temperatures. Some > people have reported temperatures of nearly 90C on their GPU (when idling), > which has a direct effect on the overall temperature of the CPU (due to > close proximity) and so on. This requires the fan to be on at almost all > times (usually low-speed mode). Others have it worse (the laptop literally > shutting off in the middle of operation): Likewise, I've had difficulty with the z60t, which has suspend issues (it doesn't), and occasional atheros flakiness that I have been meaning to bug Sam about but haven't had time to do so as yet. Sadly, the battery failed quite quickly once the warranty expired, so I barely use it anymore, which is something of a shame but left me with a bad impression. Robert N M Watson Computer Laboratory University of Cambridge > > http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2008-06/msg00020.html > > Many of these laptops emit a strange high-pitch electrical noise which > fluxuates in frequency and amplitude; of course, a lot of people can't > hear it, which is good for them. This was tracked down to some power > saving features listed in the BIOS (of both the CPU and the chipset), > which you can disable: > http://www.thinkwiki.org/wiki/Problem_with_high_pitch_noises > > Be sure to look at http://www.thinkwiki.org/wiki/Category:T60p, > specifically the very bottom of the page. You'll notice a very large > number of problem entries. A lot of them have no real response from > Lenovo. > > Draw your own conclusions. > > -- > | Jeremy Chadwick jdc at parodius.com | > | Parodius Networking http://www.parodius.com/ | > | UNIX Systems Administrator Mountain View, CA, USA | > | Making life hard for others since 1977. PGP: 4BD6C0CB | > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >