CPU speed not reported correctly

Nicolas Blais nb_root at videotron.ca
Thu Dec 30 08:46:56 PST 2004


This is because AMD uses PowerNOW! technology which changes the voltage 
(therefore the speed) of the cpu for the load it gets.

Nick.

On December 30, 2004 09:52, Mike Jakubik wrote:
> Michael W. Oliver said:
> > When booting cold, the same speed is reported -- 801.83-MHz.  Yes, this
> > is a laptop (Sager 4750-V).
> >
> > entire output of `dmesg -a':
> > http://michael.gargantuan.com/yabbse/index.php?action=dlattach;topic=309.
> >0;id=17
> >
> > other info about this laptop:
> > http://michael.gargantuan.com/yabbse/index.php/board,44.0.html
>
> This is normal for AMD laptops. I have an Emachine M5310, and the CPU
> speed varies on it. If i right click on my computer in Windows XP, the
> reported frequency is almost always different. Strangely enough in FreeBSD
> its always the max though, i belive this technology may require a proper
> driver for the frequency to be adjusted. I would check your BIOS settings.
>
>
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