acertimeline team mailing list archive

[Damon Rand <damon@xxxxxxxxxx>]

Hi Alexander,
I've been running the 4810TG for a few months now. Your assessment appears
to be correct. There is no way to deactivate the ATI card in Linux or in XP.
The best scenario I have found is using discrete ATI with powerplay as you
suggest.

Damon.

2009/9/9 Alexander Simon <simon_alex@xxxxxx>

> Hi List,
>
> i got my 3810TG a last week. TG is the new series with Buetooth, UMTS and
> ATI
> switchable graphics on a Radeon 4330.
> After installing openSuSE 11.2-Milestone6 an some initial configuration,
> powertop gave me over 20 watts of power consumption.
> As the BIOS was set to "switchable graphics", i guessed that BOTH graphic
> chipsets were active. lspci listed both, Xorg however, only could find the
> onboard Intel chipset.
> After switching to "discrete" in BIOS, i could install fglrx (after
> patching
> for kernel 2.6.31) and power consumption went down to 12 watts, probably
> due
> to ATIs PowerPlay.
>
> The BIOS has _no_ option to disable the ATI chipset. Lenovos BIOS offers a
> third option "integrated" to deactivate ATI completely. So these long
> battery
> lifetime can ONLY be reached in Vista. I wont be satisfied with this.
>
> Has anyone of you confronted Acer with this problem? Or do you know if a
> better BIOS is to be realeased? I also found no piece of software to
> deactivate ATI via software in Linux.
>
> Thanks, Alex
>
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