That voltage mod is awesome. I read to put a 30k ohm resistor on, my freind did that on his, gets around 2.0 volts when its set to 1.85 in the bios. I put a 16k ohm resistor on, and I get 2.10 volts at 1.85 in the bios. It works great, now my Duron 600 runs fairly stable at 1000MHz (will be 100% stable when I get my FOP-38...tried my freind and it works great!) If you have basic soldering skills, and a buck or so, I'd reccomend modding your board. I got 1000MHz out of a $55 CPU 
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