From owner-freebsd-acpi@FreeBSD.ORG Sat Dec 21 23:04:01 2013 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 58E992E5 for ; Sat, 21 Dec 2013 23:04:01 +0000 (UTC) Received: from frontend3.warwick.net (svm.wvtcvoicemail.wvtc.com [204.255.24.104]) by mx1.freebsd.org (Postfix) with SMTP id E4B7E190B for ; Sat, 21 Dec 2013 23:04:00 +0000 (UTC) Received: (qmail 7451 invoked from network); 21 Dec 2013 23:04:00 -0000 Received: from 70.44.113.171.res-cmts.sefg.ptd.net (HELO [70.44.113.171]) (egunther@warwick.net@70.44.113.171) by frontend3.warwick.net with SMTP (2d0f7916-6a94-11e3-ad16-0019bb38a71e); Sat, 21 Dec 2013 18:04:00 -0500 Message-ID: <1387667039.5356.25.camel@res-cmts> Subject: Re: loud fan pavilion ze2000 From: ito To: Lars Engels Date: Sat, 21 Dec 2013 18:03:59 -0500 In-Reply-To: <20131221191128.GJ78001@e-new.0x20.net> References: <1387551635.2533.21.camel@res-cmts> <20131221191128.GJ78001@e-new.0x20.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-MagicMail-UUID: 2d0f7916-6a94-11e3-ad16-0019bb38a71e X-MagicMail-Authenticated: egunther@warwick.net Cc: freebsd-acpi@freebsd.org X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Dec 2013 23:04:01 -0000 Hello Lars, I have previously noticed a dramatic difference myself on other machines but I think that I remember on this machine it didn't help nearly as much as I would have hoped. Probably try it anyhow. Thanks, eg On Sat, 2013-12-21 at 20:11 +0100, Lars Engels wrote: > On Fri, Dec 20, 2013 at 10:00:35AM -0500, ito wrote: > > Hi, > > > > I posted a question to the freebsd forums (under mobile computing) in > > which I was seeking help with a old laptop (hp pavilion ze2000) because > > of fan noise. The problem is not really that the fan is too loud, > > although that is part of it, it is that it cycles frequently (about > > every 21 sec, at average use). I seems to me now that maybe here would > > be more appropriate. > > I am having trouble finding information about the acpi functions in > > particular. So I thought maybe I could get help here. For instance, > > according to the information below, is the passive cooling set to start > > at 85.0C (Celsius) which would be 185 Fahrenheit? Is this very hot to > > start to cool down passively? Why is active cooling set to -1? Where > > do I find the definitions of these things... like the flags? > > > > If the Notebook is older, a first measure is to clean the heatsink and > fan. > After I did this the last time my Thinkpad is ~ 10 °C cooler than > before.