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 <[email protected]> > 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 > > _______________________________________________ > Mailing list: https://launchpad.net/~acertimeline > Post to : [email protected] > Unsubscribe : https://launchpad.net/~acertimeline > More help : https://help.launchpad.net/ListHelp >
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