HowTo: Use a dual screen setup with two graphics cards on GNOME
Well, I've been having problems with radeon. My card (Firepro v4900) is overheating when a dual screen setup is in use. The reason seems to be pretty well outlined here: http://wiki.gentoo.org/wiki/Radeon#Power_consumption_when_using_multi-head_.2F_multi-monitor
And my old friend, dpm, is to blame... Luckily, I got another …