Quote Originally Posted by MacClipper View Post
S3 Resume still works at 47x, Internal CPU PLL Overvolt not needed nor enabled.

Apparently it's a known issue, wonder if this is Asus only or across all makes,
http://www.hardforum.com/showthread.php?t=1579942
My previous Gigabyte P67A-UD4 also had sleep issues. Apparently it is a known Intel issue with PLL Overvoltage.