Firstly what you need is a Kepler based graphic card for eg:- GTX690, GTX680, GTX670, GTX660Ti, GTX660OEM and GTX660.
Then softwares needed for Editing/Flashing bios are:-
For Unlocking/Editing kepler bios use KGB(Kepler Golden BIOS) :- Download it from here Bios Editor
For Flashing bios use...
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