Introduction: MSI Z77A-GD65 3770K/3570K 4.0ghz OC Stable!
Follow these instructions!
Reboot PC and repeatedly press "DEL" key to enter BIOS.
Step 1:
Click to enter the OC Menu.
Step 2:
Click or scroll down to highlight "Adjust CPU Ratio". Using the "+" key, press until you reach "40". 100 x 40 = 4000mhz(target).
Step 3:
Scroll down.
Step 4:
Click or scroll down to highlight "CPU Core Voltage". Using the "+" key, press until you reach "1.1400" (target).
Step 5:
Click to enter mainboard "Settings".
Step 6:
Double-click or scroll down and press "ENTER" to select "Save & Exit".
Step 7:
Double-click or scroll down and press "ENTER" to select "Save Changes and Reboot".
Step 8:
Click "YES" or select "YES" and press 'ENTER' to confirm!
Done!