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Re: CPU Frequency -- min save value?



Mauro <mcepeda@ualberta.ca> writes:
> sorry just a few typo corrections:
>  
> So how advanced is the gnu-linux implementation of this considering that
> I've NOT heard of an ibook or powerbook RUNNING GNU_LINUX coming close
> to the 5/6 hours OS X claims (not that apple's claims are ENTIRELY
> believable but still a lot better than my brother's pc laptop).  I
> haven't fiddled around much with the power saving settings on my ibook
> with debian but I can tell you I get about 2 hours of use as is.  This
> is not impressive.

Mauro,

The Linux kernel driver does not implement this (instruction cache throttling)
at all. Still, I get over four hours on battery on my 12" iBook G4 with 7447A
CPU. Two hours sounds much too little; it is likely that you could improve
that somehow.

cheers,

John

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