How can I detect RAM and CPU frequency?

I'm writing a small program which shows some hardware info. I want to add frequency detection, but I failed to find out how it is done.
At the moment I use WMI. The Win32_Processor class has field CurrentClockSpeed, but it reports incorrect values.
Also I want to add RAM speed detection. I have searched for this topic on the internet but found nothig. Does anyone know how to do this?
I will appreciate any help.
Thanks in advance.

P.S. WMI gives me correct system bus speed but I can't use it for I don't know CPU or RAM multiplier...
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  1. Link to a forum where I can ask this question would be great, too.
  2. I think the best place to ask it in, is the "CPU and Components" section of the forum:
  3. I'll post there.
    But my question is related to programming, that's why I've asked here.
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