Device Manager reports 2 CPU

Discussion in 'Windows Vista Hardware' started by Jack, Oct 15, 2006.

  1. Jack

    Jack Guest

    I have only 1 Intel Pentium IV CPU.
    Device Manager shows it twice.
    Why?
     
    Jack, Oct 15, 2006
    #1
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  2. Jack

    Theo Guest

    Does your Intel CPU support Hyper-Threading?

    Do you have it enabled?

    Hyper-threading essentially emulates a dual-core cpu and
    windows will see it as a dual core.
     
    Theo, Oct 15, 2006
    #2
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  3. Jack

    Tom Lake Guest

    You might have an Pentium 4 HT CPU. The HT stands got HyperThreading
    which supposedly allows the processor to run multiple threads more
    efficiently.
    It's seen by XT and Vista as two separate processors.

    Tom Lake
     
    Tom Lake, Oct 15, 2006
    #3
  4. Jack

    DCR Guest

    HYPERTHREADING CPU will show two cpus
     
    DCR, Oct 15, 2006
    #4
  5. Jack

    Jack Guest

    XT, Tom?
    Is that some hybrid of Win NT and XP ???
    :)
    Jack
     
    Jack, Oct 15, 2006
    #5
  6. Jack

    Fuzzy John Guest

    Oh oh... Once you install the final retail version of Vista be on the
    lookout for the MS lawyers knocking on your door. You may not have enough
    licenses to run a P4 with the HT turned on.
     
    Fuzzy John, Oct 16, 2006
    #6
  7. Jack

    Tom Lake Guest

    Heh, heh! It's a hybrid of poor typing skills and Jack Daniels!

    Tom L

    Win CE ME NT
     
    Tom Lake, Oct 16, 2006
    #7
  8. Jack

    Noozer Guest

    Were you running Windows HOME before? If so, you were wasting half your CPU.

    This is normal under XP Pro and Vista when you have a hyperthreading CPU.
    It's not quite a duel core, but it does make for a faster PC.
     
    Noozer, Oct 16, 2006
    #8
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