How do I check the accuracy of my desktop's clockspeed?

[mak-hoo]

I'm buying a Gateway GT5674 through Circuitcity and it advertises a 3600MHz FSB on Nividia GeForce 6150 SE. Some have said this is impossible. I want to check this out.<br />

 

[allen1688816888]

clock speed is 2.2ghz per core. that processor have 4 cores. This is a really good computer.