A mining motherboard similar to the ASRock BTC was released by a company called BIOSTAR.
There aren't any reviews on newegg yet but it looks exactly like the ASROCK BTC and costs only $70
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138436&cm_re=biostar_tb85-_-13-138-436-_-Product
There aren't any reviews on newegg yet but it looks exactly like the ASROCK BTC and costs only $70
http://www.newegg.com/Product/Product.aspx?Item=N82E16813138436&cm_re=biostar_tb85-_-13-138-436-_-Product