Yes, it's well-known that higher values can give better throughput on nforce2 boards. I run my 1700+ at 10.5 x 230fsb = 2.4ghz, with memory timings 12-3-3-2.0 with geil pc3500. This is with chipset and dimm voltmods, 1.9v Vcore, and watercooling. With my 9700pro I hit 6000 in 3dmark03.
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