The methods of factory overclock for video cards standard design usually is reduced to the sorting of video card on the overclocking abilities, their testing and prescribing the high frequencies in Bios. Similar procedures allow NVIDIA partners to earn 10 -30$ per video card, introducing no changes in product hardware.
EVGA Company proposed to the owners of GeForce GTX 460 to raise their speed by simple Bios update. The core default frequencies of some models will be increased from 675/1350 to 720/1440 MHz, and the maximum fan rotation speed is increased from 70% to 100%.