Although a very experienced PC user, I have never done any CPU swapping, only memory and video swapping. Currently I have a fairly old PC with a Foxconn motherboard G31MX, 4Gb DDR2 800 PC2-6400 memory and Intel E5200 processor. This is all running fine, and is nicely balanced at 800Mhz front side bus, which matches the processor and memory exactly. But finding the E5200 processor does not support virtualisation instructions, and keen to experiment, I had a rush of blood and won a used Intel Q6600 processor on Ebay. The motherboard definitely supports that processor, but I don't know if it can be set up, as the specs say Processor ** E5200 ** Q6600 speed ** 2.5 Ghz ** 2.4 Ghz cores ** 2 ** 4 L2 memory ** 2Mb ** 8Mb FSB ** 800Mhz ** 1066Mhz max power ** 65watt ** 90watt So will it work, and if so, what bios settings must I change? I'm guessing I cannot raise the FSB because of the memory requirement, although the m/b seems to support up to 1.33Ghz. Have I just wasted (a little) money, or would it work, but very much under it's capacity ?