[ubuntu] power4gear:how to make it run with ubuntu

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http://ubuntuforums.org – Hello, I have an ASUS K53SV with double boot (win 7 + ubuntu 11.10). In windows with power4gear I choose "quiet office" to avoid the fan's noise. I have no idea about how to do it in Ubuntu, reading the forums I have tried to install ironhide following the instructions from www.ivegotavirus.com/blog/2011/09/01/how-to-set-up-intel-optimus-graphic..., but I'm not very sure if I have done it right (fan still running) and I don't know how can I check it either. Can somebody help me to get the same I get with power4gear in windows? Thanks. (Hardware)