Hi firstly uninstall that gigabyte utility reboot and go into your bios goto page 41 of your manual set
*CPU Clock Ratio to 30
*go in to advance CPU features disable CPU enhanced halt c1e, CPU thermal monitor, virtualization technology
*go back base clock control set it to auto
*performance enhance set it to standard
*go to the bottom of the page set the cpu vcore to 1.25v
*run a stability test if it fails raise the cpu vcore up 0.025v increments untill complete stability has been reached

the beauty of owning an extreme edition cpu so easy to overclock