Re: CPU Frequency -- min save value?

[Joerg Sommer <joerg@alea.gnuu.de>]

John Steele Scott <toojays@toojays.net> wrote:
> "Matthew T. Atkinson" <matthew@agrip.org.uk> writes:
>> Was just wondering, as I mostly use the machine for really simple text
>> editing when it's on battery power (taking notes in lectures), is it
>> safe to set the lower bound for CPU frequency much lower?  I imagine it
>> would be fine for what I want to use it for at as low as 200MHz.
>> Really, it ought to be capable of editing text at <100MHz.
>
> Matthew,
>
> You can set the lower bound as low as you like, but unfortuntely the kernel
> cpufreq drivers for ppc only support two speeds at the moment. So if you ask
> for 200MHz, it will still give you 750MHz.

Is this a kernel or a hardware problem? I saw Centrino CPU scaling down
to 200MHz. I would be very happy to do so with my G4 (/proc/cpuinfo:
cpu=7455).

Jörg.

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