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post #20891 of 21379
Quote:
Originally Posted by Vellinious View Post

Yes...doesn't scale well with volts. But....there's got to be some point along there somewhere, where you can add enough volts to add ONE MORE MHZ than what you're getting already....

That hasn't been my experience with maxwell. The only maxwell's I have owned where adding voltage helped was my two 970's, best clocks at +25mv, and that only gained me one step 13mhz over stock volts. 980, 980ti, titan x all had best clocks at stock or slightly lower voltage. All air testing. I had my 980 kpe's all the way up to 1.375v and nothing over stock helped, and after 1.25v clocks went down.
post #20892 of 21379
Hello all,


I have just earned a EVGA 980ti Kingpin (as a second hand card).
I was beginning to tweak this card with precisionX and I'm surprized the max "power target" I can set is 100%.



It is the case no matter which bios I use (I know that with the OC bios it should be able to go to 150%)

This might be a noob question but am I missing something?

Thanks a lot for your help
post #20893 of 21379
Quote:
Originally Posted by aiolia View Post

Hello all,


I have just earned a EVGA 980ti Kingpin (as a second hand card).
I was beginning to tweak this card with precisionX and I'm surprized the max "power target" I can set is 100%.



It is the case no matter which bios I use (I know that with the OC bios it should be able to go to 150%)

This might be a noob question but am I missing something?

Thanks a lot for your help

Open up GPUz, there's a small arrow lookin button beneath the NVIDIA logo. Press it. That will give you a copy of the bios that the card is currently running.

If I had to venture a guess, I'd say someone has flashed that bios position to a custom bios that has the low side and high side of the power limit set at 100%. So....instead of:

300 watts at 100%
360 watts at 120%

They decided to use:

400 watts at 100%
400 watts at 100%

The % on the slider is completely arbitrary, by the way...it's relative to what is set in the bios. As I also demonstrated above...the watts for 120% are actually lower than the wattage for bios with just 100%.

You can post a copy of the bios here. I'm sure one of us can take a look at it for you, and let you know.
post #20894 of 21379
Quote:
Originally Posted by Vellinious View Post

Open up GPUz, there's a small arrow lookin button beneath the NVIDIA logo. Press it. That will give you a copy of the bios that the card is currently running.

If I had to venture a guess, I'd say someone has flashed that bios position to a custom bios that has the low side and high side of the power limit set at 100%. So....instead of:

300 watts at 100%
360 watts at 120%

They decided to use:

400 watts at 100%
400 watts at 100%

The % on the slider is completely arbitrary, by the way...it's relative to what is set in the bios. As I also demonstrated above...the watts for 120% are actually lower than the wattage for bios with just 100%.

You can post a copy of the bios here. I'm sure one of us can take a look at it for you, and let you know.

Thanks for this reply
Indeed by contacting the person that sold me the card, it has been updated with a custom bios.
The custom bios is the one that can be found there: http://forum.kingpincooling.com/showthread.php?t=3820
post #20895 of 21379
Seems that running anything above 1530 core isn't 24/7 stable on 980 gtx ti classy. Usually crash about 3-6 hours into Black desert online. Sort of disappointing for a 79.6% ASIC. Maybe I need to try dropping the voltage slightly from 1.2.. I am not used to that. I gave this gpu it's own loop with 2 rads and 8 fans for no reason I guess. I think I'll switch to pascal titan when it comes out assuming it has hbm2. Don't get me wrong.. It performs fine, but it's kind of a lame overclocker imo. I've tried every voltage between 1.2-1.281, max temps around 37c.
Edited by Vencenzo - 6/20/16 at 4:00am
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post #20896 of 21379
Quote:
Originally Posted by Vencenzo View Post

Seems that running anything above 1530 core isn't 24/7 stable on 980 gtx ti classy. Usually crash about 3-6 hours into Black desert online. Sort of disappointing for a 79.6% ASIC. Maybe I need to try dropping the voltage slightly from 1.2.. I am not used to that. I gave this gpu it's own loop with 2 rads and 8 fans for no reason I guess. I think I'll switch to pascal titan when it comes out assuming it has hbm2. Don't get me wrong.. It performs fine, but it's kind of a lame overclocker imo. I've tried every voltage between 1.2-1.281, max temps around 37c.
Drop voltage to around 1.18V and try again. My 980KPE is most comfortable at that voltage when running around 1540MHz - 1550MHz.

The same could work for your 980Ti Classy.
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post #20897 of 21379
Quote:
Originally Posted by Vencenzo View Post

Seems that running anything above 1530 core isn't 24/7 stable on 980 gtx ti classy. Usually crash about 3-6 hours into Black desert online. Sort of disappointing for a 79.6% ASIC. Maybe I need to try dropping the voltage slightly from 1.2.. I am not used to that. I gave this gpu it's own loop with 2 rads and 8 fans for no reason I guess. I think I'll switch to pascal titan when it comes out assuming it has hbm2. Don't get me wrong.. It performs fine, but it's kind of a lame overclocker imo. I've tried every voltage between 1.2-1.281, max temps around 37c.

37C is where you lose one to two +13's. Try dropping your voltages and keeping temps in check. <30C if you're trying to push for bench runs.

Really though are you going to tell the difference between 26mhz? I'd take a vRAM OC vs +26mhz on the core.
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post #20898 of 21379
Interesting responses.. Maybe I'll mess around 1.18v on core and 1.65 on vram later tonight. I've been running 1900 vram 24/7 and 1950 on benches. Maybe set my sights on 1550/2000 for gaming. This is definetly the first gpu I've owned that undervolting anything can achieve higher clocks.
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post #20899 of 21379
Quote:
Originally Posted by Vencenzo View Post

Interesting responses.. Maybe I'll mess around 1.18v on core and 1.65 on vram later tonight. I've been running 1900 vram 24/7 and 1950 on benches. Maybe set my sights on 1550/2000 for gaming. This is definetly the first gpu I've owned that undervolting anything can achieve higher clocks.
1.6V memory should be good for 8000MHz effective memory clock. Maybe a slight OV to 1.625V for 8200MHz+ effective.
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post #20900 of 21379
Quote:
Originally Posted by dilster97 View Post

1.6V memory should be good for 8000MHz effective memory clock. Maybe a slight OV to 1.625V for 8200MHz+ effective.

He's on a classy not KPE. Tough for Hynix and Elpida to hit over 8000
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