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Re: Powerbook produces a lot more heat after kernel upgrade

On 02 Dec 2004 at 13h12, José Manuel Pérez wrote:


> I'm having same problem with my iBook G4. Now with kernel 2.6.9 fan is 
> almost always running. I've looked at cpu heat and is over 50, normal 
> 53-54 degrees. I'd like to know if it's posible to set cpu limit to 55 
> in order to fan stops.

Yes, just 
echo 5 > /sys/devices/temperatures/limit_adjust

(limit is 50 + limit_adjust). Verify the setting with
cat /sys/devices/temperatures/cpu_limit 
which should be 55 after that.

> With OSX fan runs almost never doing same things 
> (mail, browser, editor, etc) as in Linux. I don't know if setting cpu 
> limit to a higher value would be a problem, I don't like to fry my 
> iBook.

Just don't go to high (> 60 may be risky).


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