JETWAY A55M BIOS GM55A004 AMD™ A55 (Hudson D2) Chipset Support AMD™ A- & E2- “Lynx” Series APU APU Support DirectX 11 3D Graphics Acceleration Support Dual Channel DDR3 1866/1600/1333/1066 Support 4 x Serial ATA2 Devices Integrated 6-CH HD Audio CODEC Integrated 10/100 Mb/s LAN Support AMD Dual Graphics function 4 Phase CPU Power Support M-ATX Form Factor:190x245mm