I just ordered 4gb of G.Skill DDR3 1600 (2 x 2gb) memory and was wondering which DIMM slots do I put them in on the Asus Crosshair III Formula AM3 mobo. The slots go in order of A1,B1,A2,B2. Do I do: A1A2,A1B1,B1B2 or A2B2? Or does it even matter.. I'm farely new at building computers but I've done it before, the memory thing just kinda confuses me sometimes.