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Thread: Gigabyte EP45-UD3P + E8400 Overclocking




  1. #11
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    ok.,tq so much for the explainations bro.,tq so much..i really appreciate it.,so do i need to use the settings that you gave me.,n just up the cpu voltage only..?
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  2. #12
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    Ya, I would do that until you find a stable point for your CPU, then you can begin trying to lower timings and testing things

  3. #13
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    ok bro.,tq.,btw.,let say if i want to OC higher than 4ghz maybe 4.5ghz.,do i need to resetting everything or just up the FSB and the CPU vcore only?
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    Well do you have 4Ghz stable yet? If so yeah, you can just work from there. You will likely have to loosen up the ram timings, and keep a eye on the ram speed and adjust accordingly though

    Be sure to save your Stable BIOS profile so you can use it when you dont have time to mess around with your higher overclock. On the MAIN page of the BIOS F11 is save, and F12 is load

  5. #15
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    one more questions bro.,this regarding the CPU reference voltage control..if the reference voltage control of the CPU is 0.755v.,do i need to set it lower 64% vtt from the stock or higher than that..?
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    You should leave that in Auto, or set VTT to stock and then set Ref voltages to stock and then set your VTT back to where you wanted it and the ref voltages will be automatically set properly

  7. #17
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    sorry bro.,if i ask you yoo many questions.,i just want to know.,if i pump the CPU vcore to 1.30-1.40v did the voltage stable for 24/7 365 day using..?
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  8. #18
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    No problem man. Ya you can use 1.32-1.35 or so for 24/7 use as long as your core temps are cool. That is actual voltage in windows I mean, not what you set in the BIOS.

    I would not recommend using higher then 1.35-1.36 actual voltage in windows for 24/7 as it will make your CPU not last as long. And it is likely not needed anyway, most chips will do 4GHz at 1.28-1.33 or so

  9. #19
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    hi bro.,i already succeed to get 4ghz with the setting you gave me.,but i need 1.40v set in bios to successfully load to windows.,is that ok?this is the screeen shot..
    Attached Images Attached Images Gigabyte EP45-UD3P + E8400 Overclocking-4ghz2-jpg 
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  10. #20
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    Default Re: Gigabyte EP45-UD3P + E8400 Overclocking

    Ya, looks ok. As you can see 1.4 set in the BIOS is only 1.328 in windows. I would think if you manually set PLL voltage to 1.5 you may be able to bring that CPU voltage down a bit.

    You for sure should not be using 1.5 Vtt. 1.4 is known to kill 45nm CPU's so back off that for sure as well NOW.

    Once you bring down PLL and Vtt you will likely be able to lower your Vcore as those are likely causing you to find false errors and think you need more Vcore. And you may find more stability with 2.05 or 2.1 on your ram as well.

    But PLEASE manually set 1.5 PLL and get your Vtt (Termination) under 1.38 or so, likely 1.25-1.34 or so is fine

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