powersave=0 works for me too on my T500. Regarding the battery drain: this is totally screwed up because of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/524281 anyhow for me. I get good battery with the modified kernel from there.
powersave=0 works for me too on my T500. Regarding the battery drain: this is totally screwed up because of https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/524281 anyhow for me. I get good battery with the modified kernel from there.