 Motherboards which feature the at the time new FM2 CPU socket also utilize AMD's at the time new A85X chipset.The socket is very similar to FM1, based on a 31×31 grid of pins with a 5×7 central void, 3 pins missing from each corner, and a few additional key pins missing.Compared to Socket FM1, two key pins were moved, and one more is removed, leaving 904 pins.