Ecs Motherboard Wiring Diagram. A990fxm A V1 1 Ecs A990fxm A V1 1 Socket Am3 Amd 990fx Ddr3 3 Way Crossfirex 3 Way Sli Sata3 Usb3 0 A 2gbe Atx Mo St Pattys Day St Patrick S Day Atx from www.pinterest.com