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[Official] MSI GTX 680 Lightning Owners Club - Page 244

post #2431 of 7827
Quote:
Originally Posted by renzkuken1 View Post

Here is what i am getting using max voltage control.
1401/6912

Does that look like a 1400+ score? :/

So no one has asked what is your CPU and it's clock. I'm thinking that is the problem.
post #2432 of 7827
I wanted to post this for dph, a 1402 SLI run of 3D Mark 11.

http://www.3dmark.com/3dm11/4253607


Edited by GnarlyCharlie - 8/29/12 at 7:21pm
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post #2433 of 7827
My CPU is i5 3570k overclocked to 4.5ghz
post #2434 of 7827
Gnarly, are you going to WC your lightnings? I'm slowly assembling my WC build with my lightning blocks , can't wait.
post #2435 of 7827
Guys how important is power limit and what the best value for 1402 MHz OC ??
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post #2436 of 7827
Quote:
Originally Posted by xoleras View Post

Gnarly, are you going to WC your lightnings? I'm slowly assembling my WC build with my lightning blocks , can't wait.

You know, I love the looks of those blocks, but I only run these things benching hard once in a blue moon. Most of the time I'm just cruising along.

That, and the PCI-E slot spacing is non-standard on this mobo, so the SLI cooling bridge that everybody else uses wouldn't work. But I admit I was tempted to just email Sidewinder and have them set me up with a full on water cooling system, something I could have everything I need to do the whole shebang at one go.

I see he got stiffed on some of the order, I might do it yet.
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post #2437 of 7827
Quote:
Originally Posted by K2mil View Post

Here is a question I left power limit at 100% should it be increased while over clocking and if yes is there any good value to start with?

The core I add +200 so my frequency jumped up to 1402 MHz

I only Run 3Dmark 11 P preset Test completed my GPU Score was somewhere at ~ 12500
The benchmark run really nice but two times I got like a green flare that lasted no longer than a blink of an eye.
What should I do to eliminate that problem?

I always put the Power Target up to maybe 150 or 200%, just to give it some room. But yeah you'll only approach 100% power usage when heavily over-volting (like around +143mv), so, you could just leave it at 100% and be fine for normal overclocks, or throw it all the way up to 300% for the hell of it. You should only see around 65% power usage with normal overclocks.

1402mhz, congrats. Was that with +93mv? I had little green artifacts when my card was getting more voltage than it liked apparently. I had a bad overclocker and it didn't like the voltage past a certain point or it would give me green artifacts like that, even if temps were fine.

Quote:
Originally Posted by qwaz View Post

Got my Lightning now for a week or so, but i must say i'm very disappointed with its overclock results. Paying extra for cards with special quality components and settings basically, but getting less than what probably a normal gtx 680 would do frown.gif

My card does around 1325-1335MHz on the gpu (which is not super bad but my goal of 1350MHz will simply crash over and over) and MAX 6500MHz on the memory(6600MHz works but will give crappy performance in Heaven, plus very very subtle artifacts after a while in GW2) with bios1 with;

93+ mV on the core
+0 aux
+0 memory
133% Power Limit

Been trying everything to get it higher but it simply won't be stable. My memory absolutely hates ANY extra voltage at all and will make it artifact even quicker, even playing with aux voltage doesn't seem to do anything. But then i got some hope again because someone mentioned not being able to do much on bios 1, but bios2 was a world of difference.
Didn't really wanted to toy with that since i bought this card for gaming and not benchmarking at all, but i decided to give it a shot. After all, (my personal goal of) 1350/6900-7000 was not that hard to achieve for most of you.

Bios 2;

Basically nothing changes at all, even putting the Power Limit on 300% and everything else on max (+50mV on the core though) will not make much difference.
My Memory just flat won't go any further than 6600 without giving artifacts, even with more voltage and the higher power limit. Tried everything basically, even giving it - voltage but without succes.
And what's weird as well; +300% Power Limit alone (so without extra voltage) just does nothing at all for either memory or the GPU clocks. The GPU just needs at least that +50mV to not crash on 1325MHz.

The core i haven't tried much higher since i thought +25MHz won't be that much of a difference, i just need the memory to go higher.
I knew i should have kept that other card that did 1325 on the core with +50mV and 6900MHz on the memory without any extra voltage at all (bios1)... too bad the box was opened, that's why i sent it back for a new one.

So guys, is this normal or do i just have a crappy card?
3th MSI for me that just doesn't overclock well at all (had 2x 6950's), think i'll be looking at a different brand next time.

Just raising the Power Target shouldn't really do anything, since these cards don't hit 100% very easily. Only raising the voltage should make a difference. And the LN2 BIOS should have made a difference since the stock voltage is about 50mv higher. Only getting around 1335mhz is a possibility with these cards, but try the LN2 BIOS and the core voltage at +93mv before you conclude that that's all the card can reach.
Quote:
Originally Posted by GnarlyCharlie View Post

I wanted to post this for dph, a 1402 SLI run of 3D Mark 11.

http://www.3dmark.com/3dm11/4253607


Wow
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post #2438 of 7827
Quote:
Originally Posted by K2mil View Post

Guys how important is power limit

I always just turn it up all the way up.


Quote:
and what the best value for 1402 MHz OC ??

You just have to start moving the sliders up a little, run the benchmark of choice until it crashes, then tweak some more and try again. I probably had dozens to hundreds of crashes getting the stuff to all work. It's a pain in the rear, that's why I don't really do much benchmarking. I do a little now and then, but I run really conservative clocks/voltages most all of the time.

And get a pencil and paper to write the settings down. I'd run something and crash and have to guess what I had that didn't work. Takes twice as long.
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post #2439 of 7827
Quote:
Originally Posted by dph314 View Post


Wow

LOL, you're the one who told me to just go for the top GPU clocks in 3DMark11 and see what it'd do. I tried 1410 and got a full on driver crash/freeze up, so that's it. But I have officially run SLI at 1400+ thumb.gif

And I look back on when I first started messing with them and AB 2.2.2, I was happy at 1306 clocks SLI (and that's still what I run for daily driver stuff), now I'm almost 100MHz past that.
Edited by GnarlyCharlie - 8/29/12 at 8:38pm
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post #2440 of 7827
Quote:
Originally Posted by GnarlyCharlie View Post

Quote:
Originally Posted by dph314 View Post


Wow

LOL, you're the one who told me to just go for the top GPU clocks in 3DMark11 and see what it'd do. I tried 1410 and got a full on driver crash/freeze up, so that's it. But I have officially run SLI at 1400+ thumb.gif

That's awesome. I'm tempted to send you my 3930k just to see what you'd run.
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