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[Official] Nvidia GTX 980 Ti Owners Club - Page 1404

post #14031 of 16147
No longer part of dis club. Sold my 980 Tis for a total of 767 bucks. Ordered two 1080s.
post #14032 of 16147
Hi,

Im looking for a modded bios of 84.00.41.00.90..... All modded BIOS i have found are for the older 1.....

Can anyone with the latest BIOS post a modded one??


Thanks in advance and sorry 4 my poor english...

Cheers
post #14033 of 16147
Quote:
Originally Posted by looniam View Post

if you're OCing that x99 platform than an 860 is cutting it close, since that alone can suck 300-350 watts, but ought to work.

grab a killawatt and measure the power consumption.

I have two watt meter and both watt meter says that the usage does not surpass the 770W.
I noticed that if I don't overclock the cards this hard reboot does not happen.

Is there someone who ever seen a behaviour like this when overclocking?
Is there someone who get his PC rebooted for GPU overclock?
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post #14034 of 16147
Quote:
Originally Posted by sblantipodi View Post

I have two watt meter and both watt meter says that the usage does not surpass the 770W.
I noticed that if I don't overclock the cards this hard reboot does not happen.

Is there someone who ever seen a behaviour like this when overclocking?
Is there someone who get his PC rebooted for GPU overclock?

when it comes to SLI/PSU related problems:

1) PSU not enough.
2) PSU has multi rail 12v and too much on one rail
3) using a single cable with daisy chain 6/8 pin power connections to each card.

we know it's not 1 or 2 but how about 3? feeding a card more than 250 watts through a single cable can get sketchy.
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post #14035 of 16147
Quote:
Originally Posted by looniam View Post

when it comes to SLI/PSU related problems:

1) PSU not enough.
2) PSU has multi rail 12v and too much on one rail
3) using a single cable with daisy chain 6/8 pin power connections to each card.

we know it's not 1 or 2 but how about 3? feeding a card more than 250 watts through a single cable can get sketchy.

I'm using one cable per card
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post #14036 of 16147
Quote:
Originally Posted by sblantipodi View Post

I'm using one cable per card

I would go to using 2 cables per card if you can, I had a similar issue with mine when I started using a Modded bios. My power draw LIMIT is 475w but I usually draw around 400w when gaming, a single cable with 2 6+2 pin connectors is not enough. Your PSU should have came with 6 PCIe connectors, you should have plenty of cables.

You may also be pushing the limit of your PSU if you are overclocking your CPU and/or Overclocking or using a modded bios for your GPU's. I know EVGA says the max power draw is only 250w but I would get a Killawatt and check your power draw to see how much you actually use. At idle my pc uses ~90w and gaming I use upwards of 500-600w with a single 980Ti and a 4790k.
Edited by Artifesto - 8/29/16 at 7:27am
 
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post #14037 of 16147
Quote:
Originally Posted by sblantipodi View Post

I'm using one cable per card

I wouldn't recommend this. I am one of the first few to make this mistake on a 980 ti, by stressing furmark and running a 425W BIOS on a split y-cable. The cable melted within the first minute. Luckily for me, it was just the PSU (Seasonic 750W Gold) end connector and no damage was done to the GPU, but it was a frightening ordeal trying to diagnose the various symptoms that arose from the partially melted cable. I posted this incident in this thread last year. I am now comfortably on two cables, and have stressed again with furmark for upwards of 30 minutes without issues.
post #14038 of 16147
Quote:
Originally Posted by Artifesto View Post

I would go to using 2 cables per card if you can, I had a similar issue with mine when I started using a Modded bios. My power draw LIMIT is 475w but I usually draw around 400w when gaming, a single cable with 2 6+2 pin connectors is not enough. Your PSU should have came with 6 PCIe connectors, you should have plenty of cables.

You may also be pushing the limit of your PSU if you are overclocking your CPU and/or Overclocking or using a modded bios for your GPU's. I know EVGA says the max power draw is only 250w but I would get a Killawatt and check your power draw to see how much you actually use. At idle my pc uses ~90w and gaming I use upwards of 500-600w with a single 980Ti and a 4790k.

Quote:
Originally Posted by mouacyk View Post

I wouldn't recommend this. I am one of the first few to make this mistake on a 980 ti, by stressing furmark and running a 425W BIOS on a split y-cable. The cable melted within the first minute. Luckily for me, it was just the PSU (Seasonic 750W Gold) end connector and no damage was done to the GPU, but it was a frightening ordeal trying to diagnose the various symptoms that arose from the partially melted cable. I posted this incident in this thread last year. I am now comfortably on two cables, and have stressed again with furmark for upwards of 30 minutes without issues.

Are you serious? Four cables for a SLI?
I'm running two EVGA GTX980Ti SuperClocked and than and I start Afterburner and
I raise the power limit to 110%
core clock to +100MHz
and Memory clock to +300MHz

This results in a mild overclock, 1400MHz on the gpus.
How can a simple overclock like this could require four cables?
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post #14039 of 16147
Quote:
Originally Posted by sblantipodi View Post


Are you serious? Four cables for a SLI?
I'm running two EVGA GTX980Ti SuperClocked and than and I start Afterburner and
I raise the power limit to 110%
core clock to +100MHz
and Memory clock to +300MHz

This results in a mild overclock, 1400MHz on the gpus.
How can a simple overclock like this could require four cables?

As far as I know a single 8 pin cable is only supposed to be able to have 150w power draw through a single cable, plus 75 from the slot is 225w of suggested max power.

A 110% power limit is 275w, minus the 75w from the slot and that's still more than what a single cable should be able to carry. I wouldn't even use a single cable for a 980, let alone a 980Ti with an overclock.

Do you monitor your power draw while gaming? I can say for certain that my card never pulls more than 375w even though the bios max is 475w. The only time it pulls more is when I ran Furmark and I only ran it for a few minutes, the card power throttled because it couldn't pull more than 375-400w, if I let it run I imagine it would have eventually damaged the connectors, cables or even the socket on my motherboard due to an over current condition being created by drawing too much power.

My point is a single cable is not enough for a card with a 250w total power draw, especially not when overclocked. If the card didn't need that much power I imagine they wouldn't have used 2 8 pin connectors or an 8 pin /6 pin setup for the reference edition. Even the 8/6 pin setup can pull 300w with 2 individual cables.
Edited by Artifesto - 8/29/16 at 11:06am
 
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post #14040 of 16147
Yeah, I have never dared to run just one cable per card. Always used two cables per card. Thought of only one cable per card never seem like a good idea with something that could pull some serious watts at full load.
     
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