Time for another 6850 test, the Core 2 Duo Conroe E6850. This I tested for
maximum FSB, on the Gigabyte P35T DQ6 Motherboard running Kingston Hyper-X
KHX11000D3LLK2 DDR3.

2 QX6850 @ 5133MHz!

640MHz FSB is it, without any mods to chipset voltage.