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post #10751 of 21377
Quote:
Originally Posted by Kold View Post

I have the AX760. I guess it's possible, but wouldn't the computer shut down sometimes too?

That psu is sufficient, I'm running a 750w per card, with one running the cpu as well. And your right, most common psu indicator is shut downs, im uncertain what it does when its close but falls short of supply, but the tdp increase issue is weird and seems power related.
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post #10752 of 21377
Just put my GTX780 Classified under water with the EVGA Hydro Copper classified block and EVGA backplate. I then flashed the BIOS the latest skyn3t rev4.

I use the EVGA Precision software and I have the core at +130 and the memory at +255 with the power settings at 170% and 90Degrees. EVERYTHING runs cool. Any suggestions for bumping it higher?
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post #10753 of 21377
Quote:
Originally Posted by Kold View Post

I have the AX760. I guess it's possible, but wouldn't the computer shut down sometimes too?

I tripped the OCP on my ax760i with a single KPE at 1528 core and 1.5v measured with a DMM. Man these cards can use some power!

It shut down in test 1 of 3Dmark11. Only time that happened. The QX9650 was at 4.480 at 1.475v so it was taking some juice too.
post #10754 of 21377
Hmm.. 4770k 4.4GHZ 1.25v. 780 Ti 1.212v. I'm probably cutting it close, huh? Lol, I just bought those damn corsair sleeved cables too. I can only upgrade to the AX860.
post #10755 of 21377
Quote:
Originally Posted by skline00 View Post

Just put my GTX780 Classified under water with the EVGA Hydro Copper classified block and EVGA backplate. I then flashed the BIOS the latest skyn3t rev4.

I use the EVGA Precision software and I have the core at +130 and the memory at +255 with the power settings at 170% and 90Degrees. EVERYTHING runs cool. Any suggestions for bumping it higher?

You should be able to go much much higher with your memory. I'm at +450 on air for daily use. Same with your GPU, being underwater you can keep on bumping it up. If it gets unstable...add a bit more voltage until it becomes stable. Then step up your GPU a bit more, once again if it becomes unstable add more voltage. There will be a point where heat is too much, or the GPU's capabilities have been reached and you can't go any higher without artifacts or crashes. Then drop back another 10mhz or so.
Edited by gatesmarch - 3/23/14 at 7:37pm
post #10756 of 21377
Quote:
Originally Posted by VETDRMS View Post

I tripped the OCP on my ax760i with a single KPE at 1528 core and 1.5v measured with a DMM. Man these cards can use some power!

It shut down in test 1 of 3Dmark11. Only time that happened. The QX9650 was at 4.480 at 1.475v so it was taking some juice too.

Quote:
Originally Posted by Kold View Post

Hmm.. 4770k 4.4GHZ 1.25v. 780 Ti 1.212v. I'm probably cutting it close, huh? Lol, I just bought those damn corsair sleeved cables too. I can only upgrade to the AX860.

Pretty big difference between 1.212v and 1.5v though. I forgot to mention I only have 780s, but a fellow EOCF member has sli Ti's. at high voltages he was running into problems with his 1500w strider, however I believe it was more an amp/rail issue than anything. I really don't think you should be having any problems with a 760i, as my cpu is at 1.4v and I"m running pumps/fans/ect. A 780 @ 1.35v is likely more draw than a 780 Ti at 1.21v
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post #10757 of 21377
Quote:
Originally Posted by Kold View Post

Hmm.. 4770k 4.4GHZ 1.25v. 780 Ti 1.212v. I'm probably cutting it close, huh? Lol, I just bought those damn corsair sleeved cables too. I can only upgrade to the AX860.

No.. you're nowhere near the limits. I run my 4770K @ 1.4v and when I put my TI Classy through the benches @ ~1.4v it alone was chewing 600W (that was the limit I put on it because of my 760W PSU), my PSU (I think we have the same) didn't even cough.
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post #10758 of 21377
Quote:
Originally Posted by VETDRMS View Post

I tripped the OCP on my ax760i with a single KPE at 1528 core and 1.5v measured with a DMM. Man these cards can use some power!

It shut down in test 1 of 3Dmark11. Only time that happened. The QX9650 was at 4.480 at 1.475v so it was taking some juice too.

Still rocking LGA775? Kudos friend.
post #10759 of 21377
Quote:
Originally Posted by reb00tas View Post

Yes it looks fine. As long as you run stock bios /ln2 bios you are proctected by TDP and max voltage. So really nothing can go wrong smile.gif

Thanks. I had some issues when I first got the card so I wanted to make sure that it was at least average at overclocking.
Quote:
Originally Posted by Darklyspectre View Post

kinda upset about the 6GB versions coming since everybody at EVGA kept on telling us it's never going to happen.

well its nvidia more that is allowing them but it sucks

Same here. I bought my card two weeks ago and now they announced this; although the only reason I would need 6gb is Skyrim. I'm already at around 2.6gb and I have a ton of stuff disabled.
 
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post #10760 of 21377
Quote:
Originally Posted by wstanci3 View Post


You should keep in mind that the GK110 chip loves the cold. The colder you get the silicon, the more the chip can theoretically reach higher core clocks. Of course, the silicon has to have the potential to reach higher clocks otherwise, a dud is a dud so to speak. Yours isn't a dud, so the only remedy is to keep those temps down. The lower you get it down, 1300 is attainable once again usually.
And as to the Power Target, it just shows that the overclock isn't entirely stable. Prime example I have found is playing with an overclock as far as I can push on BF4 with complete stability and then try to do that overclock on Tomb Raider. TR will most assuredly bring your overclock to its knees because it uses every bit of the PowerLimit(115%).

I think I'm happy with 1200 daily / 1250 for more demanding games.

One interesting thing to note. I started having these problems when I began running the benchmark on Tomb Raider.
I ran 1270mhz at stock volts no problem in modded Skyrim, Crysis 3, Heaven, and FireStrike. So it seems the issue was Tomb Raider all along.
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