Voltage Modification Guide For Sapphire X1600PRO 256MBResults!
With a Vgpu of 1.92V and Vmem at 2.20V, we could obtain artifact free clockspeeds at 800MHz on the GPU and 450MHz on the memory.
Before...
...AFTER!
Not bad a performance boost! The satisfaction you get from free speed is always priceless. :D