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Instability in MSI Afterburner, stability with ATI Overvolt tool.

Last response: in Overclocking
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October 3, 2010 5:30:58 PM

I tried overclocking my ATI 5970 GPU's with MSI Afterburner, huge disaster as it just wouldn't go stable unless i went really low in clocks, even with 1.3v. I then tried to download Ati Overvolt Tool, and got it to 910/1220 which is decent, but i know this card still got more overclocking potential.

System is:
i7-930 @ 4.2
2x ATI 5970
G.Skill 7-8-7-24-2N

So my question is, how am i to push the clocks any further (Without risking my card -> Flashing BIOS)?

-I think i might need more volt for my GPU, MSI AB is useless for that though, and i'm capped with ATI Overvolt tool.
a b U Graphics card
a b K Overclocking
October 3, 2010 5:55:31 PM

What were you using to test stability?
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October 3, 2010 8:54:11 PM

Furmark Multi-GPU - 1920x1080 - 8x MSAA
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October 4, 2010 10:40:53 AM

910 MHZ is the limit for the 5970.
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October 4, 2010 1:56:56 PM

Tamz_msc said:
910 MHZ is the limit for the 5970.


I don't know where you got that from, but your completely wrong. 910 is very possible, some people have even gotten it above 1ghz.
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a b U Graphics card
October 5, 2010 1:21:00 PM

EdBiew said:
I don't know where you got that from, but your completely wrong. 910 is very possible, some people have even gotten it above 1ghz.

As far as I know, dual GPU cards are harder to overclock and I'm pretty sure that something around 900 MHZ is the limit for 5970s.Tom's did an overclocking session with the LIQUID cooled Powercolor HD 5870 and it reached 1076 MHz core I think.
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