Twin 3870's Can you OC?

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Twin 3870's Can you OC?

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Author	Thread : Twin 3870's Can you OC?

Wicked

Profile: stranger

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01-12-2008 at 05:42:41 AM

I got my HIS's the other day and I have had no luck at all. When I had just the one card in I was able to get it up to 850 and 1350 but once I tried it on both it just dies. Screen goes black and that it.

Anybody else had this happen?

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cpburns

Profile: enthusiast

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01-12-2008 at 05:56:23 AM

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bigger power supply

---------------
"Sticking feathers up your butt does not make you a chicken." -Tyler Durden

Athlon X2 3800+ @2.4GHz : 2GB DDR400 : GeForce 8800GT 700/1700/2000MHz C/S/M: nForce4 SLI Mobo : 1TB of HD inside, 300 as RAID0 : Enermax 500W PSU : Audigy 2

Wicked

Profile: stranger

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01-12-2008 at 06:13:44 AM

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I have a 850 now.

I also just noticed that one card runs way hotter then the other. Is rivatuner able to control the fan on both cards?

cpburns

Profile: enthusiast

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01-12-2008 at 06:16:58 AM

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i believe so. the dropdown at the very bottom should control which card it's pointing at. the other card may be faulty. the X850 may have been power hungry, but it's not going to match two 3870's OCed. what is your power supply?

Wicked

Profile: stranger

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01-12-2008 at 06:24:09 AM

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Hey its an OCZ 850 game stream.

I found this box you can see in the pic but for some reason its showing 4 devices. I switched to the 2nd one down and cranked the fan to 60% and it started to cool the other card, but only down to 51 C were as my other card is at 28 right now and thats the main one.

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