A55M-A A55M-A-ASUS-6601 BIOS Precise Digital Power Design and High-definition Visual Enjoyment with Native HDMI/DVI Outputs DIGI+ VRM – Digital Power Design for the APU HDMI & DVI Outputs– High-definition Visual Enjoyment UEFI BIOS - Flexible and Easy BIOS Interface AI Suite II - One-stop Access to Innovative ASUS Features! Superior Components -100% All Solid Capacitors & Extra Durable Stainless Steel Back I/O Materials Windows 8 Ready – Assured Compatibility