Athlon 64 X2 4400+ and Dual Core Optimizer

I have an Athlon 64 X2 4400+ (Brisbane) in Windows XP Pro SP3, is it still necessary to install Dual Core Optimizer? I have AMD Processor Driver installed for Cool'n'Quiet but I don't know if DCO is as important. How will I know if a certain program requires DCO?
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  1. I have never even heard of something called "Dual Core Optimizer".
    You don't even need to install the AMD processor driver for cool n quiet to work.

    I guess the simple answer is no.
  2. Quote:
    I have never even heard of something called "Dual Core Optimizer".


    obviously, you started computing yesterday.
  3. Does that mean that I don't have to install Dual Core Optimizer nor AMD Processor driver after a fresh install of Windows XP Professional SP3?
  4. Verkil said:
    Does that mean that I don't have to install Dual Core Optimizer nor AMD Processor driver after a fresh install of Windows XP Professional SP3?

    You have a knack for drawing logical conclusions. Congrats.
  5. enzo matrix said:
    You have a knack for drawing logical conclusions. Congrats.

    It seems like CnQ does not work with Windows XP Pro SP3 without AMD Processor Driver. I just tried it.
  6. Verkil said:
    It seems like CnQ does not work with Windows XP Pro SP3 without AMD Processor Driver. I just tried it.

    Worked on my machines just fine. Have you installed all windows updates?
  7. Yes. Fully patched Windows XP Professional SP3.
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