BIOSTAR TA55A Ver. 6.1 BIOS A55AH209 Socket : FM1 Supported Socket FM1 processors AMD A-series/ E2-series processor Supported AMD Mutil Core(x4,x2) AMD 100W processor support AMD A55 Chipset 4 DIMM supported DDR3-1866/1600/1333/1066 AMD Dual Graphics Technology