AnandTech: Investigations into Athlon X2 Overclocking. This is a wonderful overclocking guide particularly since it uses essentially the same board and cpu that I have.

The net result is that it has a nice chart showing where your voltage should be:
CPU Clock CPU Voltage CPU Temp Chipse Voltage Chipset Temp System Power Draw
2000 1.300 34.00 1.50 38 248
2100 1.350 36.00 1.50 38 260
2200 1.350 36.00 1.50 38 262
2300 1.350 39.00 1.50 38 266
2400 1.400 44.00 1.60 39 275
2500 1.475 47.00 1.60 39 290
2600 1.500 48.00 1.60 41 298
2700 1.700 72.00 1.70 47 369

Net, net, at 2500MHz, you should be at roughtly 1.475V and the Chipset voltage should be 1.6V, so slightly up from stock.

It also shows that at about 2.5-2.6GHz, that’s your sweet spot. Most chips can’t get to 2.7GHz. And also from the data, it isn’t clear how really stable this was.

I’m Rich & Co.

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