How to determine CPU, FSB, memory controller base frequencies?

Is there a straight-froward way to determine a CPU or chipset/board base frequencies?

DDR2 memory seems to always use a base frequency which is half of its effective frequency- is DDR3 like this as well?

How about the CPU and the FSB frequencies? I rarely see base frequencies mentioned in specifications on vendor sites.

Thanks.
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More about determine memory controller base frequencies
  1. CPU Speed is Base Clock x Multiplier

    FSB is Base Clock x 4 = Effective Rate

    DDR2/DDR3 is Base Clock x Memory:FSB Ratio x 2

    Default base clock for Intel Core 2 Duo/Quads is 266MHz.
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