disco 4/1/14 Replaced by A55BM-E ASUS motherboards using the AMD A55 chipset employ precise digital voltage regulation for the APU, called This motherboard supports AMD A-series Accelerated Processor with AMD Radeon HD 7000/8000 Series Graphics. This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in one small, energy-efficient design to enable accelerated performance and an industry-leading visual experience. It features Dual-channel DDR3 memory support and accelerates data transfer rate up to 5GT/s.