using the 0703 bios on a plain P5Q ive been able to boot Windows upto 550fsb and have stability @ 500fsb. the P5Q is without a doubt the most uncooperative motherboard ive ever used :eek:
http://i224.photobucket.com/albums/d...Q/cpuz-550.jpg
http://i224.photobucket.com/albums/d...Q/occt-500.gif