GTX 970 Voltage

[BatStick]

So I have overclocked my EVGA 970 to about 1550mhz on the core with +150% power and +87mv using bios edits. My only problem is that the card refuses to go above 1.212 volts. Even with +175% power limit and +100mv there is no change. It acts as if I am not overvolting and the power limit is at 116%. Additionally the readings come back saying I am only using +116% power and 1.212V. Why is this? Do I have to hard mod the card or are there any programs to fix this?
I am confident that the card can handle more power because I am well blow 65C at all times even when under 99% load.

 

[Resurrectionist]

The only way I know is to Flash Custom BIOS.
Flashed my EVGA 970. Depends on your level of expertise.

 

[rakuzaN]

Hi,

some of the GTX 970 have shunt resistors installed onto the graphics card. Those hardware parts limit the voltage limiting the power input of your graphics card. They work like the power limit you can lower or rise in GPU tweaker softwares. Except for that they belong to the hardware components. If you have already flashed vBIOS onto your card and the power consumption does not go above your stated 1.212V, then that is most likely what is happening to you.

I have the same problem with my KFA2 GTX 970. I am thinking about soldering the shunt resistors but not quite sure of it because my card is roughly a week in my hands.

I've read that you can lower the amount of the Volts those resistors "eat" though, it's called soldering. The effect is that they will let more voltage pass to the system without having to modify your vBIOS. It's like an increase in the power limit from hardware side.

der8auer has a pretty sweet guide how to solder any graphics card and unlock its full potential and explains beforehand what is happening when the power enters your card from scratch and after that to the soldered card.

Hope I could help you find a new way to push your card further.

Would also be nice if you let me know if you actually soldered your card or not, maybe that will help my descision

Peace out.

 

[BatStick]

Hi,

some of the GTX 970 have shunt resistors installed onto the graphics card. Those hardware parts limit the voltage limiting the power input of your graphics card. They work like the power limit you can lower or rise in GPU tweaker softwares. Except for that they belong to the hardware components. If you have already flashed vBIOS onto your card and the power consumption does not go above your stated 1.212V, then that is most likely what is happening to you.

I have the same problem with my KFA2 GTX 970. I am thinking about soldering the shunt resistors but not quite sure of it because my card is roughly a week in my hands.

I've read that you can lower the amount of the Volts those resistors "eat" though, it's called soldering. The effect is that they will let more voltage pass to the system without having to modify your vBIOS. It's like an increase in the power limit from hardware side.

der8auer has a pretty sweet guide how to solder any graphics card and unlock its full potential and explains beforehand what is happening when the power enters your card from scratch and after that to the soldered card.

Hope I could help you find a new way to push your card further.

Would also be nice if you let me know if you actually soldered your card or not, maybe that will help my descision

Peace out.

Could you help me by showing where the resistors are? i cannot find them because there are no labels like there are on the 980 and nvidia models. a picture would be wonderful. thanks.

 

[rakuzaN]

Found this picture on der8auers site with 2 marked shunt resistors.
The front side got one as well. This picture is showing the 3rd one. It is on the front side and adds up to a triangle with the EVGA trademark and the RoHS on the lower left right above the PCIe connectors gap.

 

[Vellinious]

Hi,

some of the GTX 970 have shunt resistors installed onto the graphics card. Those hardware parts limit the voltage limiting the power input of your graphics card. They work like the power limit you can lower or rise in GPU tweaker softwares. Except for that they belong to the hardware components. If you have already flashed vBIOS onto your card and the power consumption does not go above your stated 1.212V, then that is most likely what is happening to you.

I have the same problem with my KFA2 GTX 970. I am thinking about soldering the shunt resistors but not quite sure of it because my card is roughly a week in my hands.

I've read that you can lower the amount of the Volts those resistors "eat" though, it's called soldering. The effect is that they will let more voltage pass to the system without having to modify your vBIOS. It's like an increase in the power limit from hardware side.

der8auer has a pretty sweet guide how to solder any graphics card and unlock its full potential and explains beforehand what is happening when the power enters your card from scratch and after that to the soldered card.

Hope I could help you find a new way to push your card further.

Would also be nice if you let me know if you actually soldered your card or not, maybe that will help my descision

Peace out.

This guide, btw, just unlocks the power limits...which you can do with a modded bios. The EVGA cards don't have an issue with a custom bios and the power limits and TDP set higher. It may help some, but....it's not going to raise voltage limits. I've been looking into doing an actual voltage mod, but haven't been able to figure out how to do it yet.

 

[wianpeta]

looking into doing an actual voltage mod, but haven't been able to figure out how to do it yet.