I'm sorry guys for not answering your questions for a long time. here is the link which shows what my mobo has got in it.
*www.giga-byte.com.tw/Products/Motherboard/Products_Spec.aspx?ClassValue=Motherboard&ProductID=1925&ProductName=GA-8I915ME-GL
And here is the link which says what is G.E.A.R.
*www.giga-byte.com.tw/Support/Motherboard/TechGuide_List.aspx?NewTechID=81