Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756825AbZD1KEa (ORCPT ); Tue, 28 Apr 2009 06:04:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754496AbZD1KEW (ORCPT ); Tue, 28 Apr 2009 06:04:22 -0400 Received: from fk-out-0910.google.com ([209.85.128.188]:35331 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754049AbZD1KEV (ORCPT ); Tue, 28 Apr 2009 06:04:21 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=GaxD1yaDIyHmJOpt4L45X/ubuUU2Wgr6wbJykzv79YOA7GVX9E7wj7D3wU8F9n+tMB X7+PP74fbapRj9QRu2461w4oLywytN1MXpghLsX+1v1CC90HgAPd1cZI0khuBugejwtw Fn0arbyNjxnKkrzSnRKN7wzzhEfXOVNISMpy4= Subject: Re: [PATCH] Acer Aspire One Fan Control From: Maxim Levitsky To: petkovbb@gmail.com Cc: Peter Feuerer , LKML , lenb@kernel.org, Matthew Garrett In-Reply-To: <20090428072519.GA12170@liondog.tnic> References: <20090426172947.GB3643@liondog.tnic> <20090428072519.GA12170@liondog.tnic> Content-Type: text/plain; charset="UTF-8" Date: Tue, 28 Apr 2009 13:04:15 +0300 Message-Id: <1240913055.29860.14.camel@maxim-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1494 Lines: 43 On Tue, 2009-04-28 at 09:25 +0200, Borislav Petkov wrote: > Hi Peter, > > On Mon, Apr 27, 2009 at 08:57:12PM +0200, Peter Feuerer wrote: > > Hi Boris, > > > > thank you very much for your email. > > > > Borislav Petkov writes: > > > >> I did some testing on my Aspire One machine here and it looks pretty > >> nice: while compiling a kernel watched the fan going on when the > >> temperature reaches 67-68 (I don't think this is Celsius though, no?) > >> and then turning itself off when temp goes below 60. > > > > It is Celsius, the specification of the chipset and the atom core say > > that the chips are allowed to get 99 degree celsuis hot. So I think 70 > > degree Celsius are fine. > > Their N270 datasheet > (http://download.intel.com/design/processor/datashts/320032.pdf) talks > about max Tj (junction temperature) being 90°C for a TDP of 2.5W and if > you operate below that limit "functionality and long-term reliability > can be expected." :) > > There's also an internal termtrip sensor which is designed to go off at > Tj=125°C so, yeah, I guess something 70°C should be ok. I have small note: So yes cpu can withstand 90 C, but will rest of the motherboard? (Most other cpus are rated at 60C) Regards, Maxim Levitsky -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/