Re: another way to activate AMD disconnect on VIA KT266 (aka cooling bits)

From: Martin Knoblauch (knobi@knobisoft.de)
Date: Thu Jun 27 2002 - 12:35:18 EST

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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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Next message: Roy Sigurd Karlsbakk: "Re: Can't find watchdog timer (sc1200)"
Previous message: Kent Sandvik: "Re: [Zaurus-general] Re: New Zaurus Wishlist - removable media handling"
Maybe in reply to: Stanislav Brabec: "another way to activate AMD disconnect on VIA KT266 (aka cooling bits)"
Next in thread: Wayne Whitney: "Re: another way to activate AMD disconnect on VIA KT266 (aka cooling bits)"
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