Hey, i´m new here, great Forum! Read the Thread about the Bios Mods to overclock my Y500 with GT 650M SLI a thousand times but never had the courage to do it because i was scared of crashing my y500. And with the drivers later than 310.90 the CoreClock doesn´t rise when overclocking with nvidia Inspector and no Bios Mods. But when i installed the new 331.58 (R331) yesterday, i tried it just for fun and it worked! I overclocked the custom pstate with nVidia Inspector and forced the pstate. After some testing i reached 1050/2500and got nice scores on 3dMark11 -> http://www.3dmark.com/3dm11/7360836. The gpu temps never go over 75° (BF3).