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Overclock.net - Overclocking.net > Graphics Cards > NVIDIA > NVIDIA Drivers and Overclocking Software | |
Overclocking GPU in SLI
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10-03-09
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#1 (permalink) | |||||||||||||
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New to Overclock.net
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Overclocking GPU in SLI
My problem is I have two GTX 295. They both have waterblocks on them and in SLI. I want to overclock them via bios and not software, is it possible to overlock them both together? Or would I need to take them off SLI and take them off the loop and do it one by one?
__________________They need to both be the exact same clock/mem speed?
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10-03-09
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#2 (permalink) | |||||||||||||
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PC Gamer
 
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not sure about SLI but the cards i have don't OC well in Crossfire. It's the disadvantage of dual card.
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damn, i'm good.
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10-03-09
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#3 (permalink) | |||||||||
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*cough* Stock *cough*
 
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Quote:
Also, I don't see why you need to take them out of the loop. Just disable SLI or the off the bridge then OC them. This is just an assumption, but if you're OCing through the BIOS, I think it would need to be seperate, but some one else could verify that.
__________________
"He who is not courageous enough to take risks will accomplish nothing in life" ~Muhammad Ali~
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10-03-09
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#4 (permalink) | ||||||||||||
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V'mod Squad VP
 
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ARe you wanting to BIOS mod the cards with new clocks or are you hoping to OC them through the mobo's BIOS? You are not going to be able to OC through the mobo BIOS. If you are considering flashing the cards with new clocks first you need to use a software OC tool like EVGA Precision. Test the card's with ATItool and/or Furmark and so plently of RL gaming test to insure the clocks are stable.
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10-03-09
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#5 (permalink) | |||||||||||||
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AMD Overclocker
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PRECISION.Whats the problem with that?
__________________
 Phenomenal We Are PhenomIsts!(the blue guy is intel and yellow amd!) Its not that i like amd more than intel. its just that i got a better cpu score in vantage than a 920! and it was at a stock 2.8 ghz not oced like right now WOOHOO THAT SPY IS A SPY!Think you had a bad computer expeirience? Think again. GPU-Z Validation CPU-Z Validation
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10-03-09
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#6 (permalink) | |||||||||||||
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New to Overclock.net
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So, if I disconnect SLI bridge, they are recognized as different cards?
__________________
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10-03-09
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#7 (permalink) | ||||||||||||||
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New to Overclock.net
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Quote:
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10-03-09
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#8 (permalink) | |||||||||||
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4.0 GHz
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no, you have to test both. every chip is different.
__________________
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10-04-09
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#9 (permalink) | |||||||||||||
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New to Overclock.net
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Thanks guys, I'll do it one by one.
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10-06-09
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#10 (permalink) | |||||||||||||
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Solder Slinger
 
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...IMO rivatuner has an option for applying clocks speeds to more than one GPU..in the Power Options, under the System tab..it is called 'NVAPIMultiGpuClockControl' ...there is also a ClockCloningMode somewhere..just cant find it right now..
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