Nvidia has Linux driver version 337.12 a driver released that makes it possible for gpus from the Fermi-series to overclock. This can GeForce graphics cards from the 400 series run faster in a Linux environment.
To access the overklokopties must be the setting option “coolbits” “1” to the configuration file, xorg.conf can be added. Then can via the Nvidia-settings tool the clock speed of the gpu and the video memory speed. An ‘auto detect’button to automatically find a stable setting, is missing however still. Furthermore, it contains the driver some small improvements, such as support for some new EGL extensions and other optimizations.