OK so I found the download page for your board, but the BIOS they have there is actually 2 yrs older than the one you have now.
http://www.mercury-pc.com/product-dr...p?productid=62
Also the board is limited to 1gb of RAM, with each DIMM slot accepting up to a 512mb RAM module. (2x512mb)
http://www.mercury-pc.com/product-spec.php?productid=62