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Re: Newer laptops & CPU speed



On Mon, 2005-03-14 at 12:26 +0100, Jack Malmostoso wrote:
> Ciao Benjamin Herrenschmidt, nel tuo messaggio dicevi:
> 
> > It seems the new laptops are booting with CPU set to low
> > speed. /proc/cpuinfo outputs the wrong fequency (thinks it's high speed)
> > but bogomips shows that it's running at about half speed.
> 
> Mmmmhhh I don't know if I am lucky or if I have never understood anything.
> Booting 2.6.11 on my iBook G4 says:
> 
> processor       : 0
> cpu             : 7455, altivec supported
> clock           : 798MHz
> revision        : 3.3 (pvr 8001 0303)
> bogomips        : 804.39
> machine         : PowerBook6,3
> motherboard     : PowerBook6,3 MacRISC3 Power Macintosh
> detected as     : 287 (iBook G4)
> pmac flags      : 0000001b
> L2 cache        : 256K unified
> memory          : 640MB
> pmac-generation : NewWorld
> 
> Bogomips look good, don't they?

Yes. Some machines boot high speed, some boot low-speed, depending on
the mood of apple engineers at the time. Your model boots high speed, so
be happy :)

Ben.




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