How to Enable X.M.P on Rampage IV Extreme

Step.1

Set the Ai Overclock Tuner = [X.M.P]

Enter DRAM Timing Control

Step.3

Set the Rampage Tweak = [Mode 1]

Step.4

Set the CPU VCCSA Voltage = [Manual Mode]

And adjust the CPU VCCSA Manual Voltage = [1.250]