15 mo. old BIOS on new machine,trying to gain control fanspeed,OC. So I installed last BIOS . Now get screen checking ports,says "AHCI bios not installed" continues to next screen,says "AA number not programmed on system,press enter to continue" Now get l-o-o-ng Intel bios screen(press F2) I downloaded,installed again,tried Intel sites,cannot find. Possible AA number could be mobo no.,don't know how to enter. Please help,fans slow,temps hi......Don MODERATOR.......Should this appear in a different board?