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[Official] Nvidia GTX 980 Ti Owners Club - Page 1113

post #11121 of 15997
hey all just got a strix

looks like ive got a as03 bios so i was going to try and set voltage to 1.28 and raise the power limit to 425 and see if i can get anything more out of it before i splurge on a waterblock.

anyone able to show me how i do this?

ive been looking in the bios editor but didnt want to try flash anytĥng until im sure ive edited it correctly

thanks

also, i noticed that there is a "fixed" voltage at the bottom of the table of 1.200 could this be whats limiting some people to 1.2v?
post #11122 of 15997
What's the max voltage you guys would run for 24/7 on water cooler 980ti? 1.3 or 1.27 or? Currently at 1.25 with power limit at max in AB
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Sig Rig
(19 items)
 
  
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post #11123 of 15997
i wasnt planning on going over 1.3 if/when i get my block. i really dont think maxwell will scale any better past that without ln2 tbh, definately wont get you 100's of mhz without sub zero im thinking
post #11124 of 15997
Quote:
Originally Posted by goffemannen View Post

Got nvflash working now. Both cards flashed to 120% power limit.

Edit:

Even if i have 120% i still can't go higher than the 1493mhz core and 7908mhz memory that was the highest before.

Sometimes it's just luck of the draw honestly. If you increased your power limit, but didn't increase the voltage given to the card, you were probably at your card's maximum while staying within stock specs of the card itself.

For instance, the TI Hybrid I installed yesterday would only go up to around 1540 before being right at the power ceiling (110%, 1.23mv seems to be all my card wants to supply to the gpu) Editing the bios to remove that power limit restriction allowed me to overclock my ram and boost the core up to 1618 before it just wouldn't go any further. I could MAYBE push it a little more with additional voltage, but I doubt the temperature difference would be worth another 25mhz on the core honestly.

It's all about finding that equilibrium for your card and expectations.

Out of curiosity, what is the ASIC of your card? Mine is 83.3
post #11125 of 15997
Quote:
Originally Posted by MaelstromOC View Post

Sometimes it's just luck of the draw honestly. If you increased your power limit, but didn't increase the voltage given to the card, you were probably at your card's maximum while staying within stock specs of the card itself.

For instance, the TI Hybrid I installed yesterday would only go up to around 1540 before being right at the power ceiling (110%, 1.23mv seems to be all my card wants to supply to the gpu) Editing the bios to remove that power limit restriction allowed me to overclock my ram and boost the core up to 1618 before it just wouldn't go any further. I could MAYBE push it a little more with additional voltage, but I doubt the temperature difference would be worth another 25mhz on the core honestly.

It's all about finding that equilibrium for your card and expectations.

Out of curiosity, what is the ASIC of your card? Mine is 83.3


It's fixed now. Mr-Dark here on the forum made me a bios. Running 1506mhz core and 7908mhz memory with 1.255v.

ASIC? Where can I find that?
post #11126 of 15997
What voltage is going to your card? (Just realized I wasn't specific. What voltage were you using before the bios mod to 1.255?)

And you can check the ASIC using GPU-Z. You just right click the top of the GPU-Z window and choose "Read ASIC quality..."
Edited by MaelstromOC - 2/17/16 at 12:26pm
post #11127 of 15997
oc monitor to 110, using 2704,and 1458, 1458 vertical pixel clk keeps gpu idle,
post #11128 of 15997
Quote:
Originally Posted by MaelstromOC View Post

What voltage is going to your card? (Just realized I wasn't specific. What voltage were you using before the bios mod to 1.255?)

And you can check the ASIC using GPU-Z. You just right click the top of the GPU-Z window and choose "Read ASIC quality..."

On stock bios one card had max 1.243v and the other 1.199v.

ASIC:

Card 1: 80.7%
Card 2: 73%


And remember I have SLI. Maybe if I run the cards one and one I might get higher clock than I get now.
Edited by goffemannen - 2/18/16 at 12:20am
post #11129 of 15997
So I finally managed to water cool my Gigabyte GTX980 Ti G1 Gaming, under gaming load, the GPU runs around 50 degrees C, which is awesome.

Now I need help to find the limits of the card, has anyone managed to push 1600MHz + on the GPU with water cooling?

I'm currently using Gigabyte's OC Guru software, and doing 1552MHz (Dynamic Boost Clock in games) and 8GHz on the Memory, this was achieved with 0.075 volts increase.

No throttling issues as the card is well within its thermal and power targets (target set at 139%).

going any higher than this is causing artifacts, even increasing the voltage with 0.0870 volts is not helping.


I already tried the following H2O bios, and its not getting me near 1600: http://www.overclock.net/t/1544574/gigabyte-gtx-9xx-g1-gaming-h2o-air-bios-tweaking
post #11130 of 15997
1600 stable is rare. I'd be happy with 15xx if I were you.
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