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post #10441 of 21377
Quote:
Originally Posted by wstanci3 View Post

Your main problem is the temps. Once the GK110 gets above a certain temperature, stability becomes an issue and overclocks fail. For my card, a slight overclock of +81 starts to artifact when the temperatures go above 63 degrees celsius, but is completely stable before then. Even more, I could push the card to +111 on the core completely stable until temps hit 55 degrees celsius.

You will be disappointed with your results unless you get your card to stay cooler. Maybe it is time to invest in water-cooling?


Water cooling is too much of a hassle plus I'm not that interested in it atm. The only solution I could do is to get Prolimatech MK-26 and slap 2x Corsair SP120 Quiet Editions on it but then again the total price will be about the same as the new 780 Ti.


Really don't know should I put this on sale and try MSI TwinFrozr / Lightning instead.
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post #10442 of 21377
Quote:
Originally Posted by escalibur View Post

Water cooling is too much of a hassle plus I'm not that interested in it atm. The only solution I could do is to get Prolimatech MK-26 and slap 2x Corsair SP120 Quiet Editions on it but then again the total price will be about the same as the new 780 Ti.


Really don't know should I put this on sale and try MSI TwinFrozr / Lightning instead.
Go for it. The MSI TwinFrozr is one, if not the best, cooling solutions at the moment. The Lightning is a solid choice at the moment as well. Just do not be disappointed if the next card doesn't overclock as you want it.
    
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post #10443 of 21377
Quote:
Originally Posted by Kimir View Post

Reinstalling precision X is never needed.
You might just need to delete the profile(s) of the card(s) in use. Restart and it will create new profile(s) according to the new bios.
I've done that multiple time with Afterburner and my lightning cards.

Well that would explain why reinstalling works. biggrin.gif Thanks.
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post #10444 of 21377
Quote:
Originally Posted by wstanci3 View Post

Go for it. The MSI TwinFrozr is one, if not the best, cooling solutions at the moment. The Lightning is a solid choice at the moment as well. Just do not be disappointed if the next card doesn't overclock as you want it.


Yeah I had very solid experience with MSI cards in the past. Lightning is tempting but when I heard that some cards are using Elpida memory chips then it was total turn off. Such a shame that card designed for heavy overclocking is using Elpida chips (yeah I'm aware of that poor supply era).
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post #10445 of 21377
Quote:
Originally Posted by Thrall View Post

Hey guys, I have a 780 Hydro Classified running 1400/1900 at 1.325v and 200% TDP with the Skyn3t v4 bios. I max out at 40C on the core at 51C on the VRM. Is there anyway to hardcode these settings into the Skyn3t bios? I took a look at the Kepler Bios tool but I can't make heads of it. Thanks!

Is there an easier tool to use than the Kepler Bios Tool that I can used to burn in these settings into a bios rom? I'd like to have these settings for gaming, but I dont want to have to mess with precisionx and the classified tool after I've found my stable settings. Thanks!
post #10446 of 21377
Quote:
Originally Posted by escalibur View Post

Yeah I had very solid experience with MSI cards in the past. Lightning is tempting but when I heard that some cards are using Elpida memory chips then it was total turn off. Such a shame that card designed for heavy overclocking is using Elpida chips (yeah I'm aware of that poor supply era).
Yeah, it was a real shame when the Lightning first launched. When people learned that the card that is/ was expected to be the "best" of the 780s had Elpida, people were letdown from the hype surrounding it. Though, from what I can tell, people are now receiving mostly Hynix and a Samsung memory thrown in here and there, although very rare. The cooler does an amazing job as well from what I can tell. Personally, if I was trying to get an overclock as far as I can push it and have acceptable temps and acoustics, it would be the Lightning. The Lightning, though does have that annoying smaller fan in the middle that makes it a bit "whinier" than some people can accept. smile.gif
    
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post #10447 of 21377
Quote:
Originally Posted by Thrall View Post

Is there an easier tool to use than the Kepler Bios Tool that I can used to burn in these settings into a bios rom? I'd like to have these settings for gaming, but I dont want to have to mess with precisionx and the classified tool after I've found my stable settings. Thanks!

No.
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post #10448 of 21377
My voltage is 1.135 with skyn3t rev 2 bios. And it seems its way to much for my card.

If I set Afterburner core voltage to -62 mV Nothing changes.

if i set +20 still the same ?

Same core temp all the same. ? Anything wrong ?

Should I try the skyn3t bios with disabled boost ? And use gtx classified controller ? and set voltage ?

UPDATE: I dont know why. But afterburner does not change anything with the voltage. But if i use Evga pressision X it works smile.gif
Edited by reb00tas - 3/15/14 at 12:30pm
post #10449 of 21377
Quote:
Originally Posted by reb00tas View Post

My voltage is 1.135 with skyn3t rev 2 bios. And it seems its way to much for my card.

If I set Afterburner core voltage to -62 mV Nothing changes.

if i set +20 still the same ?

Same core temp all the same. ? Anything wrong ?

Should I try the skyn3t bios with disabled boost ? And use gtx classified controller ? and set voltage ?

UPDATE: I dont know why. But afterburner does not change anything with the voltage. But if i use Evga pressision X it works smile.gif

Use PX to set clocks and targets, the tool for voltages. Any voltages set above 1.212 will not show up in any software monitoring, this includes GPU-Z.

Default voltage is 1.1875 volts
Quote:
Originally Posted by Yorkston View Post

Just got my 780 Classified, and am slightly confused by precision X. I'm new to overclocking GPUs, and pretty much everything I have read says to start with maxing out the power/temp slider in PX. However, my card seems to ignore the sliders when I set them higher. It just sits at 75-80% power and 65C with 1123 core and 1.161 voltage. I can add offset which does raise to the clock, but not the full amount I add.(1123+90=1201?) Am I doing something wrong here? I am on the default bios BTW.

Also, the card makes this strange ringing noise for 1-2 seconds when it exits boost.

The sliders are the speed limit, the voltage is your speed. To reach the speed limit, you need to raise your speed. So to increase your power usage closer to the target, you need to add voltage.
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post #10450 of 21377
Something very strange just happened.

I just installed the new Nvidia drivers (335.23) (after running DDU). I also reinstalled Precision X because I use a custom fan profile. Things have been running fine for a few days, no problems. I currently have the switch set to the normal stock BIOS on both cards.

I was sitting here browsing the web and all of a sudden out of the blue the fans on my top card (I have SLI) go crazy and ramp up to 90%. The card was going over 70C, even though it was at idle, core clock at 324MHz (because all I was doing was web browsing).

I opened GPU-Z and noticed that my TDP had spiked to 60% and VDDC was at 1.490v even though there was no load on the GPU at all. So I decided to open up the Classified Voltage Tuner tool (which was not open) and see if something was up with voltage. The check box for "Auto" was unchecked and core voltage for my top card was set to 1.5v!!!

I quickly checked the box for "Auto" and the core voltage dropped to .8625v, the temps dropped back to normal and the fans quieted down.

What could make the video card all of a sudden set it's core voltage to 1.5v? I hope it didn't damage itself because I'm on air!!!
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