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    Overclock 5870 x2

    Discussion in 'Alienware 17 and M17x' started by thomaz-hanzen, Nov 27, 2010.

  1. thomaz-hanzen

    thomaz-hanzen Newbie

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    Helllooo,

    I want to try overclock my 5870 x2 (on my M17x) for some extra power.
    Someone any tips, experience or anything helpfull?

    thx allot! :)
     
    thomaz-hanzen, Nov 27, 2010
    #1
  2. angelknight010

    angelknight010 Notebook Enthusiast

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    Sorry for my poor English first :)
    If you want to OC the 5870s
    please use AMD GPU CLOCK TOOL to find a stable frequency for your GPUs and GDDR5 RAMs
    different card,the limit is different too
    In China,my homeland
    the 5870s of m17x CN ver is not really good
    most of them can not OC to 800/1100 above
    so my suggestion is try 800/1100 first
    and if it's stable
    you can try some extra high frequency
    When you find the limit point
    you can use ATI RBE 1.25 to save and edit the VBIOS and flash it to your card


    My m17x r2's stable limit is 900/1130
    I can run every game at this frequency
    and if only need to pass the Vantage
    the frequncy can ran up to about 940/1160
    but at this
    I always receive a BSOD when playing empire:total war and some other games like NFS:HP3


    that's all
    Good Luck~~~ :)
     
    angelknight010, Nov 27, 2010
    #2
  3. nzgeek

    nzgeek Notebook Evangelist

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    nzgeek, Nov 28, 2010
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  4. thomaz-hanzen

    thomaz-hanzen Newbie

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    thx for the tips and info :D!
     
    thomaz-hanzen, Nov 28, 2010
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  5. thomaz-hanzen

    thomaz-hanzen Newbie

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    i had another question: "Can you make damage to your GPU, if your only adjust the memory speed/clock & core speed/clock and not adjust the voltage?".

    thx again :)
     
    thomaz-hanzen, Nov 28, 2010
    #5
  6. Harryboiyeye

    Harryboiyeye Notebook Deity

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    No Thomaz and guys please when you are overclocking check temps prior to OCing or you will screw your cards up. I made the mistake of OCing to 800/1100 and my main GPU hit 128C. Suggested thermic limit of shut down is 114C.
     
    Harryboiyeye, Nov 28, 2010
    #6