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post #2581 of 7931
Has anyone been running their GTX680 with this modded voltage of 1.212v for long time? I'm a bit skeptical about using them for 24/7 Folding@Home, wondering if the voltage is safe for 24/7 stress.
    
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post #2582 of 7931
Quote:
Originally Posted by kcuestag View Post

Has anyone been running their GTX680 with this modded voltage of 1.212v for long time? I'm a bit skeptical about using them for 24/7 Folding@Home, wondering if the voltage is safe for 24/7 stress.

My experience is very limited, but i have yet only heard of one guy, who has suffered from degradation on his GPU. I believe he was forced to lowere his overclock by 13mhz to stay stable (please don't quote me on this). Honestly, if you make sure your GPU stays below 70C, i really don't think you are in risk of causing any damage to your GPU (all the damage that might happen, will be slight degradation, it's not like you will brick your GPU from overvolting). But as with any overclocking, i can't guarantee anything.
post #2583 of 7931
Could someone with the new UEFI vbios please test this: https://www.dropbox.com/s/fqy9txhgca250qi/kgb_0.5.5.zip

Would be a big help smile.gif Thanks
post #2584 of 7931
So I got to work flashing one of the modded bioses on my MSI N670GTX-PM2D2GD5/OC, but unfortunately it seems to be a poor overclocker. I got it running fine up to 1254MHz core, anything above that causes driver crashes. Memory does okay, +500 is fast enough. With the fan at 80% I can keep it around 72 degrees max while gaming.

Would watercooling this GPU give me enough extra MHz to be worth the effort or am I better off trying some other cards until I find something that goes well beyond 1300MHz on air? What are the odds of finding a 1400MHz chip on a reference card anyway?
post #2585 of 7931
Thread Starter 
Quote:
Originally Posted by Crystalm3th View Post

So I got to work flashing one of the modded bioses on my MSI N670GTX-PM2D2GD5/OC, but unfortunately it seems to be a poor overclocker. I got it running fine up to 1254MHz core, anything above that causes driver crashes. Memory does okay, +500 is fast enough. With the fan at 80% I can keep it around 72 degrees max while gaming.
Would watercooling this GPU give me enough extra MHz to be worth the effort or am I better off trying some other cards until I find something that goes well beyond 1300MHz on air? What are the odds of finding a 1400MHz chip on a reference card anyway?
Going on water will give you no improvement clocks wise. And your odds? Well that would tough to say a actual number but as good as any other card. *My 670 is FS and does 1300 on air if interested*.
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post #2586 of 7931
Quote:
Originally Posted by Crystalm3th View Post

So I got to work flashing one of the modded bioses on my MSI N670GTX-PM2D2GD5/OC, but unfortunately it seems to be a poor overclocker. I got it running fine up to 1254MHz core, anything above that causes driver crashes. Memory does okay, +500 is fast enough. With the fan at 80% I can keep it around 72 degrees max while gaming.
Would watercooling this GPU give me enough extra MHz to be worth the effort or am I better off trying some other cards until I find something that goes well beyond 1300MHz on air? What are the odds of finding a 1400MHz chip on a reference card anyway?

I don't think so, because I have evga 670 and I difi tested it before put it under water one day one. And the max clock was 1254 even under water this is the max oc on this card. Very different from my first card that difi 1342 on day one with better drivers today's I can do 1359 under water I wish my sec card could hit at least 1300 thing never going to happen.

Send from my S3.
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post #2587 of 7931
Quote:
Originally Posted by Crystalm3th View Post

So I got to work flashing one of the modded bioses on my MSI N670GTX-PM2D2GD5/OC, but unfortunately it seems to be a poor overclocker. I got it running fine up to 1254MHz core, anything above that causes driver crashes. Memory does okay, +500 is fast enough. With the fan at 80% I can keep it around 72 degrees max while gaming.
Would watercooling this GPU give me enough extra MHz to be worth the effort or am I better off trying some other cards until I find something that goes well beyond 1300MHz on air? What are the odds of finding a 1400MHz chip on a reference card anyway?


Lol its not a poor Overclocker its an normal one look at mine wont pass the stock 1170 max lol.
but even at 1170 with 1.2125v and +500 mem mine never goes over 60c strange yours reach 72.
And what watercooling you talking about its not worth it at all, all the money wasted on that you can get sli lol and have almost twice the performance not even 1500 mhz chip couldnt beat that really, i dont know why people run for such insane OC's if you could buy sli instead of H2O.
H2O worth only for cpu cause easy socket swap when you want to change,gpu you are forced to buy new expensive vga waterblocks when you change cards such a waste.rolleyes.gif
post #2588 of 7931
Quote:
Originally Posted by stinger92 View Post

Lol its not a poor Overclocker its an normal one look at mine wont pass the stock 1170 max lol.
but even at 1170 with 1.2125v and +500 mem mine never goes over 60c strange yours reach 72.
And what watercooling you talking about its not worth it at all, all the money wasted on that you can get sli lol and have almost twice the performance not even 1500 mhz chip couldnt beat that really, i dont know why people run for such insane OC's if you could buy sli instead of H2O.
H2O worth only for cpu cause easy socket swap when you want to change,gpu you are forced to buy new expensive vga waterblocks when you change cards such a waste.rolleyes.gif

I'm building an ITX rig, so SLI is not really an option, nor can I install a GPU bigger than a ref 670 due to the space limitations of my case once all the radiators are installed... I'm watercooling purely for the fun and looks. I'm aware there's plenty of alternatives that will give me more performance, but nobody ever blows 500 dollars on their cooling for practical reasons tongue.gif Might as well get a nicely clocking card while I'm at it. The temperature difference could be explained by my card being poorly mounted or something... As we're still talking air I can't really be bothered, am likely to sell it and try my luck on a few other samples I can get my hands on.

Quote:
Originally Posted by General123 View Post

Going on water will give you no improvement clocks wise. And your odds? Well that would tough to say a actual number but as good as any other card. *My 670 is FS and does 1300 on air if interested*.

Living in Europe, shipping in a 1300MHz card from the States won't really be cost effective but thanks for the offer wink.gif

Different question: any way to stop the card throttling in 3Dmark 11? It runs at max clocks during 3 hours of playing Far Cry with ease.
post #2589 of 7931
Quote:
Originally Posted by Crystalm3th View Post

So I got to work flashing one of the modded bioses on my MSI N670GTX-PM2D2GD5/OC, but unfortunately it seems to be a poor overclocker. I got it running fine up to 1254MHz core, anything above that causes driver crashes. Memory does okay, +500 is fast enough. With the fan at 80% I can keep it around 72 degrees max while gaming.
Would watercooling this GPU give me enough extra MHz to be worth the effort or am I better off trying some other cards until I find something that goes well beyond 1300MHz on air? What are the odds of finding a 1400MHz chip on a reference card anyway?

1400MHz on a 670 reference design? odds seem like 1 in 100 or a thousand to me ... maybe less ... I have 2 reference 670 2GB cards and they are nearly identical average ones, both do 1242MHz on stock BIOS (however with different offsets) in max boost. with vmodded BIOS, one can do 1293MHz other 1280MHz, in SLI I have to use 1267MHz or the secondary card will eventually crap out and blank out the screen and hard lock my rig. Common memory offset I can use in SLI is +500MHz, on individual cards I could use +550 or +575 respectively.
I use water cooling blocks on both cards as I 'm fed up with annoying fans noise and those mounted on GPUs are VERY annoying. with my hot ambient room (27C on average), both GPUs stay below 50C during daily gaming, below 55C during stress testing. yes they do get throttled down under severe stress, it's not temperature related, it's throttling related to Power Target levels, that's how Keplers work - when they reach certain area below Max specified Power Target, they will throttle the clocks temporarily.
post #2590 of 7931
Thread Starter 
Quote:
Originally Posted by feniks View Post

1400MHz on a 670 reference design? odds seem like 1 in 100 or a thousand to me ... maybe less ... I have 2 reference 670 2GB cards and they are nearly identical average ones, both do 1242MHz on stock BIOS (however with different offsets) in max boost. with vmodded BIOS, one can do 1293MHz other 1280MHz, in SLI I have to use 1267MHz or the secondary card will eventually crap out and blank out the screen and hard lock my rig. Common memory offset I can use in SLI is +500MHz, on individual cards I could use +550 or +575 respectively.
I use water cooling blocks on both cards as I 'm fed up with annoying fans noise and those mounted on GPUs are VERY annoying. with my hot ambient room (27C on average), both GPUs stay below 50C during daily gaming, below 55C during stress testing. yes they do get throttled down under severe stress, it's not temperature related, it's throttling related to Power Target levels, that's how Keplers work - when they reach certain area below Max specified Power Target, they will throttle the clocks temporarily.
There was one person who has a reference 670 on water that does like 1391-1400 with this mod, forgot his name but he pops in here time to time.
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