Re: amd-smp-idle module avail for testing max 90 W power savings

From: Sebastian Droege (sebastian.droege@gmx.de)
Date: Tue Jul 02 2002 - 14:27:59 EST


On Tue, 2 Jul 2002 12:14:54 -0700
Tony Lindgren <tony@atomide.com> wrote:

> Hi all,
>
> I just posted a module to cut down on the energy bill for people with
> dual Athlon systems, well currently only tested on Tyan S2460, which is
> based on AMD-760MP chipset.
>
> Amd-smp-idle enables the power savings mode like VCool and LVCool, but
> amd-smp-idle uses the Linux PCI features, and supports currently SMP
> only. So far I've squeezed out maximum 90 Watt power savings out of my
> system :)
>
> Adding support for other chipsets, and maybe merging the LVCool
> functionality should be easy. Hopefully the core functionality will
> eventually make it to the ACPI to provide C2 support.
>
> Please note that there's a bug where loading the module for the first
> time after rebooting causes the system to go sleep mode instead of
> the idle mode. To wake up the system, just hit the power button once.
> So, don't try this out on a remote server :)
>
> The code is following, or you can also download it from:
>
> http://www.muru.com/linux/amd-smp-idle/
>
> Cheers,
>
> Tony
Hi,
Is it possible to do something similar for AMD-751 or VIA-686a (or other UP Athlon chipsets)?

Bye


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