Joseph Groover wrote:
not all cards have adjustable VRM circuitry. the non ref 5770's, some got adjustable vrm topology's. the ref design did not offer such features, to volt mod a ref card, you have to hard mod it.voltage control did not come standard on the ref design, so its got some bios changes, likely nothing remarkable.SeanI unlocked voltage control through MSI AfterBurner.Just open MSIAfterBurner.cfg in its program folderand set "EnableUnofficialOverclocking" to 1. Also allows larger overclocking range.--The loon
you can get some silly over clocks with cooling and manual vrm adjustments.
Not recomened however.