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Thread: Slow CUP Hz?

  1. #1
    Join Date
    Jan 2010
    Beans
    14

    Slow CUP Hz?

    Hi all

    I am beginner of linux.
    I tried
    cat /proc/cpuinfo
    and found
    model name: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz
    cup MHz: 800.000
    Why CPU Hz is different between these two lines?
    If someone knows it, please tell me.

    Thank you.

  2. #2
    DeMus is offline I Ubuntu, Therefore, I Am
    Join Date
    May 2008
    Location
    The Netherlands
    Beans
    2,148

    Re: Slow CUP Hz?

    Quote Originally Posted by Tmora View Post
    Hi all

    I am beginner of linux.
    I tried
    cat /proc/cpuinfo
    and found
    model name: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz
    cup MHz: 800.000
    Why CPU Hz is different between these two lines?
    If someone knows it, please tell me.

    Thank you.
    You probably use a system which reduces the CPU frequency when the CPU is not, or just a little, used to save energy.
    A slow CPU uses less energy than a fast running one, producing less heat this way, so the fan can spin slowly and make less noise. All benefits.

  3. #3
    Join Date
    Jan 2010
    Beans
    14

    Re: Slow CUP Hz?

    Thank you DeMus.

    So when I run some programs,
    cpu MHz rise up?
    I cannot feel my PC is fast and
    I am afraid my PC may be slower than the company says.

  4. #4
    Join Date
    Jul 2005
    Location
    USA (Springfield,Vermont)
    Beans
    755
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Slow CUP Hz?

    If you don't like that, then you must disable "C1E", "CState" and "Halt" in the BIOS.

    Also disable anything that says "SpeedStep" in the BIOS.

  5. #5
    Join Date
    Dec 2009
    Location
    germany
    Beans
    1,020
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Slow CUP Hz?

    Quote Originally Posted by Tmora View Post
    Hi all

    I am beginner of linux.
    I tried
    cat /proc/cpuinfo
    and found
    model name: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz
    cup MHz: 800.000
    Why CPU Hz is different between these two lines?
    If someone knows it, please tell me.

    Thank you.
    hi
    i think you don't need the BIOS.
    have a look at the following link.
    http://wiki.ubuntuusers.de/Prozessortaktung

    it's in german but i think you will find the english version anywhere to.
    ciao
    "What is the robbing of a bank compared to the FOUNDING of a bank?" Berthold Brecht

  6. #6
    Join Date
    Jan 2010
    Beans
    14

    Re: Slow CUP Hz?

    Thank you rnerwein

    I tried to get something in the suggested page but I could not read German.
    According your suggestion I will pick up some words in the page, google it, and find the English page.
    Thank you very much.

  7. #7
    Join Date
    Jun 2005
    Location
    Framingham, MA
    Beans
    190
    Distro
    Kubuntu Development Release

    Re: Slow CUP Hz?

    Quote Originally Posted by Tmora View Post
    Thank you DeMus.

    So when I run some programs,
    cpu MHz rise up?
    I cannot feel my PC is fast and
    I am afraid my PC may be slower than the company says.
    Yes, the CPU speed will go up when it's in use.
    (Intel Core i7 860, 2x2GB, Gigabyte GA-P55-UD3L, Radeon HD 4550, Audigy2 ZS Platinum, Sonata) + Asus V6J + Lenovo IdeaPad U330
    YOU can make Kubuntu Lucid a solid distro | My Blog

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