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Author Topic: I up my peaks on my 5970s and I crash  (Read 824 times)
bboques
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July 21, 2011, 10:17:42 AM
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My listed peaks are 725/1000 and can overclock both 5970s to 800/1000 but if I choose 900/1000 everything freezes.  I am running a 850 PSU, which I, swa,pping for a 1250 next week.  Is this the cause? Or is something else preventing proper overclocking?

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deslok
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July 21, 2011, 12:07:04 PM
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It's possible you are having issues with the psu but it sounds more like you've hit where the limit if the cards try a smaller jump than 100mhz like 10 or 25

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bboques
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July 21, 2011, 03:00:19 PM
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You its good to tweak this way down to the molecular level? DO you guys get down to the exact e.g. 827 or something like that or just ballpark it?

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deslok
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July 21, 2011, 03:11:13 PM
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I usually go by 25s then 10s one our two mhz isn't worth that much effort.

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Pipesnake
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July 22, 2011, 01:29:15 AM
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I have 3 5970s (so far) and even the best one isn't stable over 850.  They run happily around 810-830
max in montreal
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July 22, 2011, 02:09:47 AM
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my same cards are happyu at 830.
bboques
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July 22, 2011, 02:15:29 AM
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Good feedback all, thanks

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