hello all as you know i just got my board today and i have np with it

untill i try to over clock it i went into the bios and set the cpu muti to x18

np so i reboot and it wont boot so i go bk into the bios and to look for the vcore

and it on auto but its greyed out there alot in there that i cant even touch

cause it greyed out am i missing something here?