En bas a droite de la carte mère
http://www.google.ch/imgres?q=Power+sw+carte+mere&um=1&hl=fr&safe=off&biw=1920&bih=950&tbm=isch&tbnid=ZpiTExu0tMJb_M:&imgrefurl=http://www.gtaonline.fr/forums/index.php%3Ftopic%3D11756.0&docid=vdHQw5vWaNSfEM&imgurl=http://www.harunucuncu.com/blog/wp-content/uploads/2010/01/11-fp_power_sw.jpg&w=500&h=375&ei=EWqgTtnENZDMswbd_8CAAw&zoom=1&iact=hc&vpx=338&vpy=153&dur=147&hovh=194&hovw=259&tx=154&ty=116&sig=105812518106685661833&page=1&tbnh=141&tbnw=188&start=0&ndsp=45&ved=1t:429,r:1,s:0
http://www.google.ch/imgres?q=Power+sw+carte+mere&um=1&hl=fr&safe=off&biw=1920&bih=950&tbm=isch&tbnid=52H9wOLCzXk0GM:&imgrefurl=http://www.astucesinternet.com/forum/topic2294.html&docid=6SPXt6-s9BlkIM&imgurl=http://images.imagehotel.net/bj1snsmvke.jpg&w=449&h=356&ei=EWqgTtnENZDMswbd_8CAAw&zoom=1&iact=hc&vpx=437&vpy=187&dur=190&hovh=200&hovw=252&tx=130&ty=159&sig=105812518106685661833&page=1&tbnh=141&tbnw=178&start=0&ndsp=45&ved=1t:429,r:38,s:0