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Thread: Core 2 Duo E8400 undervolting

  1. #1
    Join Date
    Mar 2009
    Posts
    92

    Core 2 Duo E8400 undervolting

    hi,
    someone knows how to change(reduce) the voltage for the CPU (e8400) ? I have set Vcore at 1.1V in the bios. CPU-Z shows me but now that I've supposedly 1.072V. It does not matter whether at the EIST CPU with 2GHz or 3GHz.Why is the voltage of EIST no longer automatically regulated? Do this for example in the Bios are set to AUTO?

  2. #2
    Join Date
    Dec 2007
    Posts
    1,742

    Re: Core 2 Duo E8400 undervolting

    Why is the voltage of EIST no longer automatically regulated? Do this for example in the Bios are set to AUTO?
    Yes, some boards like... Gigabyte to take the [normal] to.

  3. #3
    Join Date
    Jan 2006
    Posts
    830

    Re: Core 2 Duo E8400 undervolting

    hi,
    The voltage may depend on the frequency being activated and the frequency quite flexibly to provide system load, which should bring a lot more than BIOS.

  4. #4
    Join Date
    Oct 2004
    Posts
    1,343

    Re: Core 2 Duo E8400 undervolting

    Is there a minimum 1.1 volts to choose. This is the CPU but the CPU-Z in the standard (1104V). On my Old XPC with Athlon core, everything I could quite easily in the BIOS settings. The incidentally ran with 1,55 V instead of 1.65 V

  5. #5
    Join Date
    Dec 2007
    Posts
    996

    Re: Core 2 Duo E8400 undervolting

    Generally, fewer undervolt requiremnet from Core Duo vs. Turion. Because most BIOS and Motherboard maker handle Core Duo pretty well so you won't get so much gain in term of battery life.

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