EliteGroup Computer (ECS) 945GCT-HM

http://www.ecsusa.com/ECSWebSite/Product/Product_Detail.aspx?DetailID=727&CategoryID=1&DetailName=Feature&MenuID=16&LanID=9. Download the board manual; the pin diagram should be in the first few pages. The case connection cluster is all low voltage, so if you get it wrong the first time, it won't hurt anything. Just don't use the usb cluster by mistake. You'll know you have it right when all your case led lights work.