LostCircuits reports it has come up with a five second modification to unlock AMD processors which is absolutely risk free. Well, it says it is absolutely risk free but then there's a disclaimer which says the procedure can irreversibly damage kit, so on your own head be it. The article, says Lost Circuits, is based on earlier research by OC Workbench. You don't need a soldering iron, says the site ? you use the good old pin trick.
How to do this procedure is explained here.