Re: [Mactel-linux-devel] C4 state - Status report

[Tino K. <tin...@ti...>]

On Thu, Apr 26, 2007 at 23:36:26 +0200, Sven Anders wrote:

[...]

> On the other hand, I took a look on MacOSX's power consumption and it was
> (when I disable bluetooth and WLAN) about 12-14W. These are still 12-14W lower
> than my best...

The numbers in MacOS X are common for a modern notebook.

> Maybe I should take another look on any of OSX's PowerManagement extensions. I
> only analyzed the "AppleIntelCPUPowerManagement" extension. Are these some
> others?
> 
> Maybe some of the other devices (the 945GM or ICH7 family chips) have special
> power-management settings, which we should enable... Some volunteers to read
> the specs? ;-)
> The 945GM chipset has a graphic-part. Is it disabled by hardware or has it
> to be disabled via software?

Even if it is not disabled in Linux, it shouldn't make a difference of
more then 5 Watt IMHO.

Are there any any power consumption numbers from non-pro MacBooks?
Maybe with the same environment, with lid closed to exclude display
power consumtpion etc.

Regards,
Tino