Im using Gigabyte 990Fxa UD3 rev 4.0 bios ver. F2 ,memory is Kingston Hyper X beast 1600 mhz CL9 1.65 8GB 2x4 GB Sticks ,Cpu is Fx 8350 @4300 mhz ,graphics 7870 2 gb Oc edition SSd now V300 240 gb system ,power Corsair GS 600W . My question is why does my bios doesnt want to see my memory that is installed in 1st slot And in 2nd slot dualchannel ,according to bios ram are in 2nd and 4th slot why is that and how do i fix it .