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[Official] EVGA Classified & K|NGP|N Owner's Club - Page 1015

post #10141 of 21377
Quote:
Originally Posted by Aesthethc View Post

Thanks for the reply strongisland1! I really appreciate your personal help.

Okay so 1.85 max on the mem voltage. I heard 1.7 is the max, but would you say 1.75 or 1.80v is okay on water?

I think ill up the voltage on the core up to 1.40-1.42 do you think thats safe under water as long as i watch VRM temps? Or is there another factor that comes into play besides VRM temp?


Im at 1381 @ 1.35v and i want to break 1400! haha.

This is all my opinion but I would say

1.3v core for air (1.325v for bench <15 minutes at a time)
1.7v ram for air

1.4v core for water (1.45v for bench <15 minutes at a time)
1.75v ram for water

1.5+ core for LN2
1.8v ram for LN2
 
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post #10142 of 21377
Well I installed the Corsair H75 with the use of the Kraken G10 bracket. Here are some pictures. The installation itself was relatively easy with the exception of some issues positioning the radiator within my case.









Sorry for all the pictures. I'm not sure about how to do the spoiler thing smile.gif

My temps before were 68 while running valley. Now I'm at 51. That's at 1.21v.
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post #10143 of 21377
Pretty good drop.
post #10144 of 21377
It was a pretty good drop. What I'm really happy about is the lack of fan noise. thumb.gif
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post #10145 of 21377
Just looking for some clarification as I'm new to this card.

If I want to flash (for now) so that the card doesn't auto clock down do I just use NVFlash to flash "Revision 4 skyn3t"?
I also need to put it on LN2 first correct?

Currently when I'm in game (World of Tanks) the GPU usage is only around 50%.
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post #10146 of 21377
Quote:
Originally Posted by deafboy View Post

This is all my opinion but I would say

1.3v core for air (1.325v for bench <15 minutes at a time)
1.7v ram for air

1.4v core for water (1.45v for bench <15 minutes at a time)
1.75v ram for water

1.5+ core for LN2
1.8v ram for LN2

Thanks, repped for sure. Ill go ahead and start benching! biggrin.gif
post #10147 of 21377
Quote:
Originally Posted by deafboy View Post

This is all my opinion but I would say

1.3v core for air (1.325v for bench <15 minutes at a time)
1.7v ram for air

1.4v core for water (1.45v for bench <15 minutes at a time)
1.75v ram for water

1.5+ core for LN2
1.8v ram for LN2

Yes, thanks for this as well. There seems to be two Classified Voltage tools for me to choose from. ClassyVoltageTuner2.0 and Classified_v2.0.4.3 with PWM Freq. control. Which one do I use? And if it's the one with PWM Freq. options, what does it do and what's the max safe kHz for it? Thanks.

And what does PEXVDD stand for?


Edited by Kold - 3/7/14 at 8:59pm
post #10148 of 21377
Quote:
Originally Posted by Kold View Post

Yes, thanks for this as well. There seems to be two Classified Voltage tools for me to choose from. ClassyVoltageTuner2.0 and Classified_v2.0.4.3 with PWM Freq. control. Which one do I use? And if it's the one with PWM Freq. options, what does it do and what's the max safe kHz for it? Thanks.

And what does PEXVDD stand for?


PCI-E voltage.

From EVGA:
Power tuning
There are three main voltage rails which can be tuned individually: NVVDD for GPU logic power, FBVDD for memory power and PEXVDD for various onboard interfaces and PCI-express link power. Increasing FBVDD might be useful for high memory frequencies. PEXVDD can be left at nominal level for stock and watercooling, it may only need adjustment for subzero cooling scenarios.
Edited by coelacanth - 3/7/14 at 9:08pm
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post #10149 of 21377
Thanks for the explanation~!
post #10150 of 21377
Quote:
Originally Posted by coelacanth View Post

You can use AB and Precision X to change voltage, but only up to 1.212v. But I agree with @Jimhans1, use the Classy Voltage Tuner in the OP.

Since you're using a stock BIOS, we don't know what your clocks are when you say "+120" since you're using a boost BIOS. If you really want to see what your cards are capable of, then flash the skyn3t BIOS to your LN2 BIOS.

If you're cards are Rev. A1, then you can use Rev.3 skyn3t BIOS. If you have Rev. B1 cards, you can use skyn3t Rev.4 BIOS.

To save your stock LN2 BIOS, you're going to need NVFlash v5.142:
http://www.techpowerup.com/downloads/2258/nvflash-5-142-for-windows/

Then open up a command prompt and in the command prompt go to the directory where you have NVFlash. For ease of use I always just put it in C:\Classified:

1st step
Nvflash --protectoff
(This will disable the bios protection in order to save or flash a bios)

2nd step
Nvflash --save call.it.what.you.want.rom
(This will save the stock bios or vbios)

Don't use GPU-Z to save bios, some versions may save your bios corrupted.

For flashing a new BIOS:

Unpack the bios you want into C:\Classified (the same folder where NVFlash is). Then while in that folder right click in an empty space and select "open command window here" or run a command prompt from the start menu and then proceed with the unlock command below and the rest of the commands as needed.

nvflash --protectoff

nvflash -4 -5 -6 biosname.rom

You might have to hit "y" twice. Once it says completed reboot. You might also have to reinstall drivers depending on bios.

Flashing with 2 cards installed -

nvflash -i0 -4 -5 -6 biosname.rom - (This is for card #1)

nvflash -i1 -4 -5 -6 biosname.rom - (This is for card #2)

For stability just bench (Valley, Firestrike, Heaven) and play games.

For seeing how your cards stacks up against others I like going to the Valley and Heaven threads. There area spreadsheets in the OP with scores, though they are bench stable and probably not game stable. I have a pretty decent SLI score in there but it was artifacting during my Valley run.

http://www.overclock.net/t/1360884/official-top-30-unigine-valley-benchmark-1-0/0_100
http://www.overclock.net/t/1235557/official-top-30-heaven-benchmark-4-0-scores/0_100

Everything you need (except for a newer version of NVFlash) is in the OP of this thread including the Classified Voltage Tuner (direct download from here: http://www.overclock.net/attachments/19143)

Good luck! thumb.gif

I followed the steps listed here and when I got flash the BIOS the name of the Current BIOS and Replace with are exactly the same.
Went ahead and flashed it and AB still shows +0 vs the actual clock speeds. Am I missing something?
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