Hey guys,
here is a pencil MOD for the HD3870/3850 you can check. On my Club3D HD3850 this is 100% functional. The best is, there is no resistor so it is easy to clean. With 4,38-4,40 Ohm I got 1,4 - 1,41 VCore.
http://www.computerbase.de/forum/sho...d.php?t=357301
Its in German, but I think pictures says more than words
Demo
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