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Re:Sapphire Radeon HD 4770 Arctic Cooling is overclock friendly? - 2009/12/26 11:54
erbilha wrote:
I have the same graphics card and I confirm what you said. Why doesn't someone who knows about voltage modification, pick in the original BIOS from the Sapphire Radeon HD 4770 blue PCB and try to modify the voltage to higher settings to manager more overclocking.
And what do you think that will change? I am sorry to say but you can only make sense of the voltage logic within the BIOS when you know the voltage regulator used on the graphics card and it is not the BIOS that will limiting but that voltge regulator chip on the graphics card itself. If you have enough money to buy me such a card I would certainly be willing to check it out, if not you have the card and can do much yourself using RBEdit to see what is feasible. But in the end you will always be limited to what the voltage regulator chip can do or actually better can't do. 
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