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From: Martin Knoblauch <knobi@knobisoft.de>
Reply-To: knobi@knobisoft.de
Organization: Knobisoft :-)
To: linux-kernel@vger.kernel.org
Subject: Re: another way to activate AMD disconnect on VIA KT266 (aka cooling bits)
Date: Thu, 27 Jun 2002 19:35:18 +0200
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>Hallo, 
>
>
>I have been experimenting with AMD disconnect with my VIA KT266 based 
>MSI K7T266Pro (MS-6380). 
>
>
>LVCool does not yet support KT266, method discussed in LKML in past 
>(http://cip.uni-trier.de/nofftz/linux/Athlon-Powersaving-HOWTO.html) 
>does not activate low power mode on my mainboard. The only bit set by 
>this patch is already set probably by BIOS of my motherboard and does 
>not help. So I have checked VCool (http://vcool.occludo.net/) & Wine & 
>lspci and found following bit changes: 
>
>
>enable: 
>setpci -v -H1 -s 0:0.0 70=86 
>setpci -v -H1 -s 0:0.0 95=1e 
>disable: 
>setpci -v -H1 -s 0:0.0 70=82 
>setpci -v -H1 -s 0:0.0 95=1c 
>
>
>The result is 15 degrees temperature decrease on low system load! 

 I can attest that this also works on a Biostar M7VIF-X (KT333). Idle 
temperature of the XP2100+ is down to 54-55 degC from 68-72 degC. And the box 
is a bit more silent.

Martin
-- 
----------------------------------
Martin Knoblauch
knobi@knobisoft.de
http://www.knobisoft.de
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