Frequency scaling survey

[David Woyciesjes]

Nils Kassube wrote:
> Dave Woyciesjes wrote:
>> Nils Kassube wrote:
>>> I suppose your worstation doesn't have frequency scaling.
>> 	Possible explanation, but I thought the processor I have does have the
>> scaling. Maybe I need to add something from Synaptic?
> 
> I think frequency scaling is controlled by the hardware and Linux knows 
> the available frequency values from ACPI. That would mean it is a matter 
> of your BIOS to deliver the information. But it may not be important to 
> have this feature at all if you want to use it for power saving. From 
> <http://www.codon.org.uk/~mjg59/power/good_practices.html>:
> 
> | The best power savings can be obtained by running the CPU as fast as
> | possible until any outstanding work is completed and then allowing the
> | CPU to go completely idle.  
> 
> 
> Nils
> 
	Yeah, Lucio mentioned checking the BIOS also, and I didn't think of it 
until I was driving home. :) We'll see tomorrow...

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