Date: Tue, 27 Apr 2004 21:31:48 +0200 (CEST) From: Lukas Ertl <le@FreeBSD.org> To: Jeffrey Katcher <jmkatcher@yahoo.com> Cc: freebsd-acpi@FreeBSD.org Subject: Re: Fan Control Success on IBM T40? Message-ID: <20040427212944.O652@korben> In-Reply-To: <20040427155220.45753.qmail@web41114.mail.yahoo.com> References: <20040427155220.45753.qmail@web41114.mail.yahoo.com>
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On Tue, 27 Apr 2004, Jeffrey Katcher wrote: > I've been playing with adaptive power management for my Thinkpad T40, running > an up-to-date current with ACPI. While I can cycle the clock on demand, I'm > noticing that once the fan comes on, it stays on. You probably can't do anything against that, I'm seeing it too on my T40. There are many discussions about the "T40 fan problem" in newsgroups, seems like IBM botched this model. I've heard from inofficial sources that it's a problem with the on-board temperature sensor, so maybe you can solve this by replacing the system board. cheers, le -- Lukas Ertl http://mailbox.univie.ac.at/~le/ le@FreeBSD.org http://people.freebsd.org/~le/
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