hi there ive recently just purchased a i7 3770k cpu and a sus rog maximus v formula mobo what the problem is is im running a gtx 970 on the board and when i put it in the pcie slot1 it shows up as 2.0 x16 not 3.0 x16 like it should be if i put the gpu into slot 2 it shows as 3.0 x8 but if i put it back into slot one it still showing as pcie 2.0 not 3.0 can anybody help as to why i cant set it in the bios to gen3 and run it as 3.o like it should be it very frustrating lol