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[Official] MSI GTX 680 Lightning Owners Club - Page 592

post #5911 of 7827
Hi gens. I have a little question for those who can help me with overclocking.
My card is running at 1392mhz 7500mhz on mem stable at 1.388v, but when i upper the voltage a little more it becomes unstable, actually i am trying to get 1400mhz+ all the time, but it looks like the card can't get more voltege on air. My temps are always under 55, but it still crashes when i upper the volgate at 1.4v+, even at 1380mhz.
Do you guys know anything about this?

Geforce Titan on the way, muahahahahaha!
post #5912 of 7827
Quote:
Originally Posted by Phishy714 View Post

I have the 3A bios on both my lightnings.. I still have to hard reset after a crash when benching...

Benching from heaven? just press windows key and log off. No need for a hard reboot. Unless I'm missing something

Edit: oh ya. I was gonna post this. So as previously stated my OC of +100 Core n +720 memory is unstable on heaven 4.0. But on 3.0 it worked like a champ. Over the weekend I screwed around with Heaven 4.0 and afterburner in hoping to find a stable OC. . . I found none. The only one that passed was stock settings. Can I RMA this thing or is Heaven 4.0 just screwed up?
Edited by r360r - 2/19/13 at 4:08pm
post #5913 of 7827
Can you still tweak the voltages with the ln2 bios on the lightning and do they still overclock as well as the older batches biggrin.gif
post #5914 of 7827
Do you guys think I should send mine back for a replacement it? It crashes if I try to oc it 20mhz.
post #5915 of 7827
Hey guys !!!

I have two problems with my GTX 680 lightning frown.gif

1: I don't know why but my physics score for 3D mark 11 are very low, as you can see in this screen !! frown.gif



2: Yesterday I flashed the BIOS and now when I start my computer the Fans of the GTX 680 are running at 100%, only while starting the PC...(It's very annoying and noisy !!!!) frown.gif

Please help me guys !! smile.gif

Thanks
post #5916 of 7827
Physics depend on CPU.
The fans running @100% at start up is normal,
Quote:
The Lightning’s fans are programmed to counter rotate at high speeds for about 30 seconds at system startup in order to remove any dust that’s been accumulating on the heatsink fins. This “dust removal technology” is supposed to keep the Twin Frozr IV heatsink operating at peak thermal efficiency so temperatures don’t deviate over the Lightning’s lifetime.
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post #5917 of 7827
Ok thx !!! But I know physix is only CPU is this score normal for my i7 2600k ?
post #5918 of 7827
I don't know, my bro has a 2600k but he don't do bench (and won't let me see) but is your proc overclocked?
Seems correct from what I can see here. (5Ghz = ~10k physics)
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post #5919 of 7827
The turbo boost is set to 3,80 GHz
post #5920 of 7827
Quote:
Originally Posted by fantaziz View Post

The turbo boost is set to 3,80 GHz
Well, that score is decent then.
If you are on Air, you can go below 4.6Ghz with good cooling (such as Noctua NH-D14, CM 212+), after that point, water cooling is preferable, especially if you don't have a golden chip that work with extremely low voltage.
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G.Skill TridentZ F4-3200C14Q-32GTZ Kingston v300 Intel SSD 535 EK-Supremacy EVO - Full Nickel 
CoolingCoolingCoolingOS
EK-Coostream XE 360 EK-Vardar F4-120ER EK-XRES 140 D5 Vario (incl. pump) Win10 / Win 8.1 / Win 7 / Linux Mint 
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