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Thread: E8500 @ 4ghz problems

  1. #1
    Join Date
    Jan 2009
    Posts
    11

    E8500 @ 4ghz problems

    Has now try here to ponder over what could be the problem that I have problems to get over 4ghz,

    Do these specs ... so theoretically this should not stop me ..
    Cpu @ E8500
    Ram 8500 (DDR2) @ 2.2V Dominator
    HK: Asus p5q Deluxe. (tested and managed over 500 FSB with air cooling)

    now I run 442 FSB x 8 in cpu multi@3.536ghz

    The reason that I am running 8 multi is that the system not booted all up, so I lowered the CPU speed from 4.2-3.5ghz

    That entirely theoretical; it volt that make the system not to boot windows (blue screen)?

    Running the vcore at 1.5 atm original was well 1.25v so think that I have some bulk voltage to the MHz that is achieved ... but I might be just a little bit out to run.

    Some who know the reasons that are logical?

    And one last thing. Intel says that everything under 1.3625vcore is ok for the CPU ... but shown eg running 1.4 .. is the not to lose in life? Will the time have a 24/7 clock that would clear.

  2. #2
    Join Date
    May 2008
    Posts
    666

    Re: E8500 @ 4ghz problems

    Many say different about the voltage on 45nm cpu. Some say 1,30-1,32 and some 1.4v and some 1.45v max. Mainly it is because these cpu still pretty new that makes absolutely no one knows how much voltage that is "max for 24\7".

    The most common is that there is insufficient voltage that not boot into windows, but there may be other reasons. Did you have 1.5v (without much voltage drop) so I would just think that you would definitely come inside windows at 4ghz. I found that 1.5v is very much on these cpu. But as I said back that people did not know quite how much it can withstand rather.

    Do you have a lot of voltage-drop at 100% or stress test? And how much MHz running the framework for?

  3. #3
    Join Date
    Jan 2009
    Posts
    11

    Re: E8500 @ 4ghz problems

    Now I run the framework of 1:1 ie 442mhz (meet nice 1100mhz at 2.2V, and I use it now)
    The memory I have tried to stay under or around 1066MHz which is the frame without my OC's.
    Unable to boot up at 4ghx 421x9.5 by 1.35vcore (bios) but CPU-z shows that I am running 3.32 volts idle.

    Do not quite understand what I'm going to rely on, cpu-z, occt or bios ...
    Occt use the cpu-z to read volt ...

    During the OCCT stress test shows the cpu-z at volt is for 1296, ie a drop of 0.024v

    But viewed cpu-z has the real v-core clutter so I can increase the bit to test me out.

    Thanks for a good response

  4. #4
    Join Date
    Jan 2009
    Posts
    11

    Re: E8500 @ 4ghz problems

    Still need a little help here, have not driven with the overclocking, and killed lots of hardware such as many out there have the time to try & avoid it.

    But how much voltage you have to actually have on the north-b and FSB voltage?

    I'm up in the 1.6 and when it came up that nb need a better cooling system, seems I'm at volt which gets a 24/7 clock?

    Or should I just push?

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