Quote Originally Posted by mojado View Post
I canīt downgrade to BIOS 1406. The new BIOS 1703 and 1703m for P5Q-E kill my overclock on E7200.

I try follow your steps with afudos211 but NOT work. Iīm very frustrated.
download the AsusUpdt61002.zip from here and tick "bios downgradable" in options

It worked for me on my P5Q(from m1611 to 1406)