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[ Kitguru ] Updated GTX590 BIOS rushed out to repair reputation - Page 2

post #11 of 115
Quote:
Originally Posted by saulin View Post
You don't just unleash more power. Obviously you need to have the cooling. The GTX 590 does have descent cooling. And there are water blocks out for it as well.
Its not cooling. The VRMs can handle as certain load. Its like having a PSU that does 500W and a System thats 450W. Overclock it and the system does 550W. That way the power limiter limit the system to 500W and even then @ 100% its still risky. Increasing the power limit will over load the PSU and causing it to fail quicker cause its only designed for such load.
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post #12 of 115
So they're just gonna throttle the hell out of it now, lol. Wait it's already heavily throttled to begin with. 2 of the most powerful single gpu cores throttled to hell all because of craptastic vrm design. Slick move.
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post #13 of 115
Quote:
Originally Posted by saulin View Post
Perhaps they are unlocking more power draw through the BIOS update?
You still do not understand...

You cannot unlock more power if the hardware does not have it in the first place.
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post #14 of 115
The power delivery that the GTX 590 uses is crap. No BIOS is going to fix that, Nvidia.
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post #15 of 115
Thread Starter 
The only problem with that PSU vs VRM analogy is that if you have a really good 500W PSU, it will handle the 550W since usually they are under-rated ...

On the 590... i think the VRM's are over-rated ... and although can handle temperatures between 105-125ºC at constant load ... the problem is that efficiency is really poor at those temperatures...

The good VRM's are the ones that keep a really good level of efficiency at higher temperatures... just like PSU's
post #16 of 115
have amd ever messed up this way? I mean thats the 570 AND the 590 that NVIDIA have messed up now. plus I see countless numbers of nvidia cards failing compared to AMD.
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post #17 of 115
Quote:
Originally Posted by saulin View Post
Perhaps they are unlocking more power draw through the BIOS update?
VRM's don't magically sustain more headroom in voltage/amperage tolerance by a bios update.

If I had to guess I'd say either a further OCP/OVP castration, or optimization in code that interprets/controls VID to and from the gpus.
post #18 of 115
Thread Starter 
But it won't make it any faster if you guys are "thinking about it" ... Maybe a little more linear... who knows...
post #19 of 115
Quote:
Originally Posted by jy360 View Post
have amd ever messed up this way? I mean thats the 570 AND the 590 that NVIDIA have messed up now. plus I see countless numbers of nvidia cards failing compared to AMD.
4870 had VRM's burn up with Furmark. Ever since then, AMD's reference models have had beefy and resilient VRMs.
post #20 of 115
it's been tested by a few gtx 590s using benches that the voltage and or current is not being consistantly drawn correctly. there's a definite need for a firmware change and possibly a change in ocp as well. The cards when taken to 1.0v have not blown. There's some good headroom to be had.

Nvidia has been slapped in the face by AMD calling them out on their dual card performance and by reviewers stating that their cards can't take volts. Time to see if nvidia steps up. I really hope they will.
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