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RE: AW: [Xen-devel] How to use Px/Cx for power saving?

from [Langsdorf, Mark] [Permanent Link][Original]

To:	"Carsten Schiers" <carsten@xxxxxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx>
Subject:	RE: AW: [Xen-devel] How to use Px/Cx for power saving?
From:	"Langsdorf, Mark" <mark.langsdorf@xxxxxxx>
Date:	2009年1月15日 11:20:13 -0600
Cc:	xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Yu, Ke" <ke.yu@xxxxxxxxx>
Delivery-date:	2009年1月15日 09:20:48 -0800
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Thread-topic:	AW: [Xen-devel] How to use Px/Cx for power saving?

> Also, is acpi_cpufreq an alternative to e.g. powernow-k8 or 
> speedstep-centrino? 
It is for Intel parts, but AMD power management does not
quite follow the ACPI specification and acpi-cpufreq does
not support it.
For AMD parts, use powernow-k8.
-Mark Langsdorf
Operating System Research Center
AMD
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