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Thread: my Core 2 Due E8400 shows only 2.0 GHz !!




  1. #1

    Question my Core 2 Due E8400 shows only 2.0 GHz !!

    hello everyone

    am having this problem with my E8400 processor
    it's supposed to work at 3.0Ghz, unfortunately it's seems that i've a problem with that
    when i used CPU-z to check my system it works only on 2.0 GHz

    my system as follows:

    Gigabyte GA-G31M-S2C
    Intel Core 2 Due E8400
    4GB RAM (2x2GB FSB 800)

    P.S. am not overclocking .. yet !

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    You have speedstep enabled, you must go into the advanced BIOS Page and disable C1E and EIST

  3. #3

    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    oh, so it's not a problem, it's a kinda service ?!
    thanks man i was getting mad about it

    so can i ask how to overclock my CPU ?
    it's my first time, i don't want it to end losing my PC or smthn

  4. #4
    Lsdmeasap's Avatar
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    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    Ya, it is not a problem. It is by design, Intel designed the processors/boards to be able to lower voltages and CPU multiplier when the system is idle to save energy

    You want them disable when overclocking

    I would suggest you read this guide, it will help you alot with your board and BIOS and help you learn to overclock the right way >>
    http://forums.tweaktown.com/f69/giga...g-guide-26112/

    Since you have a G31 instead of P31 or P35 some of the BIOS options may not be in your BIOS though, but please do read and learn as it was written for your board/BIOS in general. Also on the MAIN Page of the BIOS you can press Control + F1 and the screen will flash, then go into MIT section and if any settings were hidden they will then be visible.

  5. #5

    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    actually i've just found ur guide after posting my question .. seems very perfect .. u should get a Nobel prize for that guide :D

    though am having a problem with understanding the 4-5-3 -15 thing, donno where i can find'em

  6. #6

    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    k i found it

    but what's wrong if i set "Resume by Alarm" from "Power Management Setup" enabled ?
    i do use it to catch my classes :P

  7. #7
    Lsdmeasap's Avatar
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    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    I did not write that guide myself as I never have that much time!!

    I am not sure what you mean by 4-5-3-15?

    You can use resume by alarm, why do you say you can't?

  8. #8

    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    it's written in the guide [disabled] in red ..
    anyway i've followed the guide but every time i do it the BIOS is reset
    so i've set Voltages to [Auto]
    Multiplier to x9
    and FSB to 400
    RAM freq. multiplier to 2.0

    and my system is workin at 3.6Ghz now

    thanks for everything .. I appreciate ur help :)

  9. #9
    Lsdmeasap's Avatar
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    Default Re: my Core 2 Due E8400 shows only 2.0 GHz !!

    Auto voltages are not suggested for overclocking.

    Slow down and read the whole guide before you jump into things.

    Disabled in that guide for that setting is likely just because he was not using it is all, you can if you like

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