Hi, recently i got myslef z77 ud5 3770k and 8gb if Kingston Grey Hyper x 1600MHz memmory, and after instaling OS ive discovered that memmory runs at 1333, so I went to bios set the profile 1 which gave me speed of 1600 at 1.65 v, the problem is that pc hangs up, sometimes even in bios i get odd...