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    gx620 not operating at standard mhz speeds

    Discussion in 'MSI' started by deltemis, Jul 21, 2009.

  1. deltemis

    deltemis Newbie

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    for some reason i'm having a problem that's limiting my processor to way under what it's supposed to be.

    i've got the gx620 001 version with the penryn p8400 2.26 ghz

    however when i run cpu-z, i'm getting reported speeds of 1596 mhz and only 1851 mhz when i turn on turbo

    i'm supposed to be getting 2.2x ghz and around 2.6 ghz when i turn on turbo

    i'm running on vista 32bit and recently updated bios to 1.0z
     
    deltemis, Jul 21, 2009
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  2. zfactor

    zfactor Mastershake

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    check the bios to see what your cpu settings are. you may have something turned off... i dont remember each thing in the bios but ill check for you. what you are seeing is the cpu stepping to a lower fsb its just not stepping back up
     
    zfactor, Jul 21, 2009
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  3. robm@rkcomputer.net

    [email protected] Company Representative

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    What you are seeing is completely normal. Open cpu-z and look at your bus speed and rated fsb. once you press the turbo you will see these two increase and the core speed will increase also. The core speed is NOT going to show the MAX overclocked speed because the speed step is enabled. Depending on the bios you have installed the cpu will max overclock 15%-20%.
     
    [email protected], Jul 21, 2009
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  4. zfactor

    zfactor Mastershake

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    wasnt there a option in the bios to disable/enable speedstep rob?? i just couldnt remember i dont have mine here..just curious
     
    zfactor, Jul 21, 2009
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  5. BM2KTom

    BM2KTom Notebook Enthusiast

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    yeah there is an option included on all the bioses though 1.0z, not sure exactly what tab its under but I know its there. Disabling it will make the processor run at max at all times but this is not recommended due to heat and battery issues. Speedstep works fairly well controlling the processor speed, you can also try rmclock if you want more control over the steps.
     
    BM2KTom, Jul 22, 2009
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  6. zfactor

    zfactor Mastershake

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    what i mean is if you disable it does the cpu report the higher speeds??
     
    zfactor, Jul 22, 2009
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  7. BM2KTom

    BM2KTom Notebook Enthusiast

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    yes it will run at its top rated speeds ie. 2.53 for p9500, etc. Speedstep controls the multipliers so based on demand it will lower and raise the multiplier of the chips up to the chips maximum values either direction. Disabling speedstep defaults the chip to the maximum multiplier. To the original poster disable speedstep in the bios and it almost guaranteed will default to your processors max advertised speeds.

    P.S. ZFactor, Not sure if that question was directed at me or the original poster so I answered them both :)
     
    BM2KTom, Jul 22, 2009
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  8. romero83

    romero83 Newbie

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    That is a normal behaviour, because if the CPU is not working on "gaming mode" (CPU usage not operate on high), then the CPU slower. But if you run such program that need more calculation, than the CPU frequency move to normal level.
     
    romero83, Jul 23, 2009
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  9. zfactor

    zfactor Mastershake

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    yes that should be the way it works i wanted the op to try it to make sure it was working okay this way we know its not anything else..
     
    zfactor, Jul 24, 2009
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  10. deltemis

    deltemis Newbie

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    well what i did was disabled speedstep and then opened cpu-z up again

    exact same results, no change whatsoever

    btw these are idle results, i'm not running anything extensive

    i'll install and run a game later with speedstep on and off and i'll let you guys know the results
     
    deltemis, Jul 25, 2009
    #10