Re: CPU detection

Alan Cox (alan@lxorguk.ukuu.org.uk)
04 Feb 2003 23:01:16 +0000


On Tue, 2003-02-04 at 18:26, Banai Zoltan wrote:
> Hi!
>
> I have a Toshiba Satelite S2210CDT.
> There is a problem with detecting CPU frequency.
> It runs on 258Mhz, but it is an 500Mhz Celeron kernels 2.4.19-pre7-ac4
> and 2.4.20.
> i attach the configs and the output of lscpi, /proc/cpu

I trust our measuring code. Most likely the laptop has speedstep so is
running at 250Mhz to save power. If you've got a currentish -ac kernel
you can load the speedstep cpufreq support and flip the CPU between fast
and slow mode as you want. In some cases APM will also do the work for
you

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