Quote Originally Posted by T_Flight View Post
It's a differential voltage problem. If you start getting away from a .5v diff between the QPI/DRAM (Vtt) and the DRAM voltage it could cause damage.
Is there a problem with running more voltage on Vtt than Vcore? I'm asking because I'm running only 1.184 volts Vcore cause that's all I need to achieve 4011Mhz CPU clock. I have Vtt set to 1.215 which is getting close to the .5 differential WRT my 1.66V setting on my Vram.