Here is a link to the manuals for your board:
Your borad should have a version or rev on it somewhere.
V3.1:
http://www.pcchips.com.tw/PCCWebSite...nuID=6&LanID=2
V1.0:
http://www.pcchips.com.tw/PCCWebSite...nuID=6&LanID=2
See if it helps, I will take a look at it if you are unable to figure it out using these.