well ya the windows one is one of them isboxer infact says if u not got it on high it saysyou will not get full support out your pc

anyway the ones i got in bios are called under

avanced bios

c2/ce2 support to disabled
and/or
CPU EIST Support disabled

this is what overclockers.co.uk told me to do when my pc was underclocking it salf if left for a few hours. (was a clocked by them when i got it)