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NVIDIA GTX 1080 Ti Owner's Club - Page 690

post #6891 of 10560
Quote:
Originally Posted by Slackaveli View Post

yep, i got you, sir!!


Here is how to get SLI working...

#1 Download Superposition SLI Profile+Tools pack here: http://www.mediafire.com/file/n1y1kigoxhcdlre/Superposition_SLI_Profile_Tools.zip
#2 Extract all to desktop.
#3 Open Geforce 3D Profile Manager, Extract SLI Profiles to your desktop using the Extract SLI Profiles button. A text document called NVIDIA Profiles should show up on your desktop if you extracted the profiles to the correct location.
#4 Open NVIDIA Profiles text document.
#5 Open Superposition SLI Profile text document.
#6 Copy and paste the Superposition SLI Profile into the NVIDIA Profiles text document then save the NVIDIA Profiles text document. Refer to example pic to see how it should look after you have added the Superposition SLI Profile to the NVIDIA Profiles text document.
#7 Open Geforce 3D Profile Manager, Import modified NVIDIA Profiles text document into the nvidia driver using the Import SLI Profiles button.
#8 Enable SLI inside the nvidia control panel if you don't already have it enabled.
#9 Fire up the Superposition Benchmark and enjoy SLI.

this copy and paste did not work for me, but when I just tried to input the superposition profile by itself it worked.

That's why I hated SLI when i had my old 780's.
post #6892 of 10560
have ya'll seen this?????? https://www.youtube.com/watch?v=T1YCoTXBNJY&utm_campaign=website&utm_source=sendgrid.com&utm_medium=email


Gtx 1080 voltage unlocked at 1.2v running 2379Mhz... NOT on LN2
Edited by Slackaveli - 4/24/17 at 2:49pm
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post #6893 of 10560
Can someone with a corsair link capable PSU compare the FE stock bios to the new Palit bios? Might undo my shunt mod in the near future.

First, max out all your fans and pumps and record the power usage.

Second, run superposition with 1.075v, it should have you hit your max.

Do with both bios biggrin.gif
Edited by SlimJ87D - 4/24/17 at 2:57pm
post #6894 of 10560
Can I flash the Palit BIOS to my Asus STRIX model for testing or can you only flash FE cards?


Also, how does increasing the power limit allow for better clocks with respect to this comment?
Quote:
Originally Posted by dunbheagan View Post

That is not right. Voltage limit and power limit are not dependend. In best case you are neither power limited nor voltage limited.

Voltage limit has to do with temps:
When your card is becoming hotter your card increases voltage to compensate the higher electric resistance of the die at higher temps(i think that is the reason). If your card reaches the highest possible voltage, like 1,063 or 1,093 it wont let you have your highest possible clockspeed but throttles a little. Then you are voltage limited. It begins quite early, at about 50°C. But on water you are normally not voltage limited. Here is log of a Superposition 4K run on my card:

Does the card increase it's power draw first to compensate for heat and resistance and then if it is at the power limit increase the voltage to compensate? I'm just still missing the whole relationship between power and voltage. It sounds like what I am reading is that by increasing max power limit you can get higher clocks at the same voltage bins potentially but I don't know why that happens? Curious as to the reasoning (the science) behind it I guess.
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post #6895 of 10560
Quote:
Originally Posted by Slackaveli View Post

have ya'll seen this?????? https://www.youtube.com/watch?v=T1YCoTXBNJY&utm_campaign=website&utm_source=sendgrid.com&utm_medium=email


Gtx 1080 voltage unlocked at 1.2v running 2379Mhz... NOT on LN2

Not worth it to me. These cards already push 375 Watts at 1.075v-1.093v. At 1.200v, you would be pushing 420+ watts on the card. VRMs will probably burst like that Stealth guy.
post #6896 of 10560
Quote:
Originally Posted by gmpotu View Post

Can I flash the Palit BIOS to my Asus STRIX model for testing or can you only flash FE cards?


Also, how does increasing the power limit allow for better clocks with respect to this comment?
Does the card increase it's power draw first to compensate for heat and resistance and then if it is at the power limit increase the voltage to compensate? I'm just still missing the whole relationship between power and voltage. It sounds like what I am reading is that by increasing max power limit you can get higher clocks at the same voltage bins potentially but I don't know why that happens? Curious as to the reasoning (the science) behind it I guess.

When you hit a power limit, your card will lower your voltage bins.

Power = voltage * current

Lets say you're running a benchmark and to sustain your power draw, you're at 1.000 volts and 300 amps of current

300 watts = 1.000 volts * 300 amps

Now your card needs 310 amps of current to sustain itself, your voltage drops and therefore your clocks drop because of the voltage and clock curve.

300 watts = 0.968 volts * 310 amps

But if you're at a scene where it just needs 250 amps then you won't be approaching power limits and lets say you had your voltage set to 1.050, then it would draw something like

263 Watts = 1.050v * 250 amps No power limiting here.

So if your card hits 300 watts, then it lowers voltage to drop power. But lowering voltage lowers clocks according to how you set your voltage curve.

Now back in the day you could modify your bios and allow it to draw 330, 350, 400 watts, etc.

Therefore, your card will draw current and not have to worry about voltage if lets say you have 375 watts of power or more.

If this Palit bios truly does work, then it'll give you 350 watts and you won't power limit as much. But 350 watts is not enough to prevent power limiting in Firestrike and supreposition, as these test require 375-400 watts of power. But you'll hit much less green, possibly eliminating 75-90% of the green with 350 watts of power.

During normal gaming, you'll probably avoid green all together.

At least this is my understanding of it.
Edited by SlimJ87D - 4/24/17 at 3:12pm
post #6897 of 10560
Quote:
Originally Posted by Roadrunners View Post

Thanks for the info, I haven't used AB Voltage curve before but I have just done quick google on how to bring up the graph and have done a screen grab of each card.


Original 1080Ti




New 1080Ti


Wow are they both the same brand and model of card, same bios? that is really weird as I would figure they just had a stock curve for all FE cards regardless of vendor. The new ones curve is totally pointless and will always have Voltage limits, as the curve goes beyond the max possible 1.093v. If you change it to look like the original ones curve it should get rid of that limit smile.gif
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post #6898 of 10560
Uhm these bios are not giving extra power. Im testing the palit bios and it works just as my founders editon bios. but it only goes to 116% power limit and it still throttle just like the founders ED bios.
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post #6899 of 10560
Quote:
Originally Posted by lilchronic View Post

Uhm these bios are not giving extra power. Im testing the palit bios and it works just as my founders editon bios. but it only goes to 116% power limit and it still throttle just like the founders ED bios.

Do you have a PSU that can measure power draw?

On this bios,

300 Watts = 100%
350 Watts = 116-117%

That's why you're seeing 116%.

But I don't trust software in measuring power. We don't know how it was written. I only trust PSU or a power meter in the wall.
Edited by SlimJ87D - 4/24/17 at 3:18pm
post #6900 of 10560
you can watch your power draw from your GPU (in real time in Watts) using hwinfo64

*or I measure full system draw using a watt meter plugged in between the PC and the wall

(you can use both together to make a comparison and validate)


you can even use RivaTuner with hwinfo64 and send the info to your screen so you can watch your cards stats as you play
Edited by nrpeyton - 4/24/17 at 3:19pm
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