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

From: Martin Knoblauch (
Date: Thu Jun 27 2002 - 12:35:18 EST

>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
>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 ( & Wine &
>lspci and found following bit changes:
>setpci -v -H1 -s 0:0.0 70=86
>setpci -v -H1 -s 0:0.0 95=1e
>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 Knoblauch
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This archive was generated by hypermail 2b29 : Sun Jun 30 2002 - 22:00:12 EST