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Thread: CPU Voltage. Meed advice as what it should be

  1. #1
    Drum & Bass Till I Die deejayburnout's Avatar
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    CPU Voltage. Meed advice as what it should be

    Morning Peeps

    i have my Oc'ed Phenom 965 on it stock voltage and i am wondering if i could lower it to reduce temps.

    I was advised that i should leave it as it is and the CPU will adjust itself to suit. However i have saw others who manual adjust the voltage to get better results.

    At the moment, my Voltage is 1.475v. The computer is as stable as can be at this voltage.

    Any advice.

    Cheers
    Better to Burn out than Fade Away
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  2. #2
    Banhammer in peace PeterB kalniel's Avatar
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    Re: CPU Voltage. Meed advice as what it should be

    The CPU won't adjust itself to suit, but it might be reducing when idle/stop state. The motherboard might have an auto voltage setting that will adjust itself based on the OC, but this isn't the same thing as stock voltage, so I presume when you say stock voltage you mean you have manually set it to stock voltage or are using the motherboard setting that reads the table from the CPU and sets the right voltage for the part.

    To manually adjust the voltage you need to turn off auto voltage on the motherboard (BIOS) and then either apply a negative offset/dynamic voltage, or manually lower the set voltage. Which is better depends on your motherboard and whether downvolting on idle etc. is still supported in each case. Then it's a case of testing at your new voltage for stability (something like prime95). If it's stable for a long time, you can try the next step down and so on. There isn't a value someone else can give you as each processor and setup is different.

    Then just play lots of games to double check stability.

  3. #3
    Drum & Bass Till I Die deejayburnout's Avatar
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    CPU Voltage. Meed advice as what it should be

    Quote Originally Posted by kalniel View Post
    I presume when you say stock voltage you mean you have manually set it to stock voltage or are using the motherboard setting that reads the table from the CPU and sets the right voltage for the part.
    Thanks for your help

    That is what I have done. I have read elsewhere that my CPU can run on lower voltages = less heat.

    Might try lowering it and see what happens.
    Better put aside a day or so to tinker with it.
    Better to Burn out than Fade Away
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