From owner-freebsd-mobile@FreeBSD.ORG Fri Jul 18 10:24:24 2003 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 4DCA437B401; Fri, 18 Jul 2003 10:24:24 -0700 (PDT) Received: from mailhub01.unibe.ch (mailhub01.unibe.ch [130.92.9.52]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6569F43F75; Fri, 18 Jul 2003 10:24:23 -0700 (PDT) (envelope-from roth@iam.unibe.ch) Received: from localhost (localhost [127.0.0.1]) by mailhub01.unibe.ch (Postfix) with ESMTP id E002325BA42; Fri, 18 Jul 2003 19:24:21 +0200 (MEST) Received: from mailhub01.unibe.ch ([127.0.0.1]) by localhost (mailhub01 [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 16615-01-41; Fri, 18 Jul 2003 19:24:21 +0200 (MEST) Received: from asterix.unibe.ch (asterix.unibe.ch [130.92.64.4]) by mailhub01.unibe.ch (Postfix) with ESMTP id 3501525BA37; Fri, 18 Jul 2003 19:24:21 +0200 (MEST) Received: from speedy.unibe.ch (speedy [130.92.64.35]) by asterix.unibe.ch (8.11.6+Sun/8.11.6) with ESMTP id h6IHOKK03852; Fri, 18 Jul 2003 19:24:21 +0200 (MET DST) Received: (from roth@localhost) by speedy.unibe.ch (8.11.6+Sun/8.10.2) id h6IHOKJ01213; Fri, 18 Jul 2003 19:24:20 +0200 (MEST) Date: Fri, 18 Jul 2003 19:24:20 +0200 From: Tobias Roth To: Poul-Henning Kamp Message-ID: <20030718172420.GA469@speedy.unibe.ch> References: <20030718141239.GB19817@speedy.unibe.ch> <46000.1058545347@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46000.1058545347@critter.freebsd.dk> User-Agent: Mutt/1.4i X-Operating-System: SunOS speedy 5.8 Generic_108528-16 sun4u sparc SUNW,Ultra-80 X-Virus-checked: by University of Berne cc: questions@freebsd.org cc: mobile@freebsd.org Subject: Re: dmesg showing wrong frequency (IBM T30) 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: Fri, 18 Jul 2003 17:24:24 -0000 On Fri, Jul 18, 2003 at 06:22:27PM +0200, Poul-Henning Kamp wrote: > What's "wrong" here is that the BIOS/ACPI firmware in your laptop > runs your CPU at a reduced rate in order to make the battery last > longer. it should NOT do this. I set the bios to disable speedstep and to 'max performance' while on AC. also, i run apm and not acpi. > It can also be that the case that the "cooling solution" (ie: fans, > fins etc) does not work well enough and the ACPI code has slowed > down the CPU in order to not melt anything [*]. that was also one of my suspicions. the fan is brand new, ibm replaced it after i sent the unit in because of heat problems. could it be that the design of this laptop is bad, when it comes to heat conduction? shouldn't i get the full 1.8GHz when running on AC, and be able to do a buildworld without any sig11 on a hot summer day (~28 deg c room temp). those sig11 are just another thing that may be connected to my low cpu freq... > [*] Known in certain circles as a "Warnering your laptop" :-) haha, i saw those pics, looked scary!