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Re: [tlug] Favorite Linux laptops these days?
- Date: Mon, 26 Mar 2012 08:22:06 +0200
- From: Christian Horn <email@example.com>
- Subject: Re: [tlug] Favorite Linux laptops these days?
- References: <4F700CFE.firstname.lastname@example.org> <20120326051230.GA3827@fluxcoil.net> <CAFv52OC9ye3GTjwLG5vz3GZqw66QJk+Le=SL4nszV6A0uj8hvQ@mail.gmail.com>
- User-agent: Mutt/1.5.20 (2009-06-14)
On Mon, Mar 26, 2012 at 09:50:48AM +0200, Josh Glover wrote: > > I have a T420s (with SSDs!), and I love it... except for the battery > life, which is abysmal in Ubuntu 11.10. By default, using the nVidia > graphics, it gets around an hour. If you add a magic grub flag,  > you get something like 2 hours (using Unity; I use Openbox and get 30 > extra minutes). If you enable RC6 power management,  you should get > something approximating reasonable battery life, but you will need to > switch to the Intel graphics, and it is quite buggy in 11.10, so > you'll need to upgrade your kernel manually or wait for 12.04. > > So the T420s is a great machine for developing code, but I can't > recommend it for your stated battery life goals. :( > >  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=force" Woha, have not yet tried that one yet. Thinkpad T510 4core, the big battery pack, 3.0hours when having much load on the system caused by interacting KVM machines. My notes on settings for power saving: http://fluxcoil.net/doku.php/hardwarerelated/thinkpad_energysaving Running 'powertop' and activating everything will have similiar effects. Christian
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