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[Official] MSI GTX 680 Lightning Owners Club - Page 470

post #4691 of 7827
memory for me...i think thats the only bottleneck of the 6 searies cards..i only use like 100mhz to the core and as much mem as i can depending on the program.
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snitchkilla
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post #4692 of 7827
Quote:
Originally Posted by MightyUnit View Post

Quote:
Originally Posted by dph314 View Post

...Get the F7 unlocked non-LN2 BIOS as well...

May I ask if F7 is in anyway better than 80.04.28.00.39 that my card came with? Thank you

Quote:
Originally Posted by General123 View Post

Quote:
Originally Posted by MightyUnit View Post

May I ask if F7 is in anyway better than 80.04.28.00.39 that my card came with? Thank you
If I read the front page right, that bios does not allow control over 1.175v.(correct me if I am wrong please)

Correct. F7 is an unlocked non-LN2 BIOS. Default and max voltage is 50mv less than the LN2 BIOS (1.21v and 1.31v, respectively). I leave my cards at stock for most games, so I'd rather have 1.21v going through them than 1.26v, because the boost speed on my cards on the non-LN2 is 1202mhz and 1215mhz, so no reason to use the LN2 BIOS for it's stock speeds yet with more voltage smile.gif


Quote:
Originally Posted by SeekerZA View Post

Quote:
Originally Posted by dph314 View Post

Definitely 3A. I don't know of anyone that has had more luck using the F8 BIOS over the 3A. So, definitely go with the 3A because it doesn't force a hard reset every time you crash from OC instability smile.gif
And yes, 2.2.3 will give you +93mv on either unlocked BIOS. I've been using the non-LN2 BIOS as of late because I don't really need the 1.36v of the LN2 BIOS too often. Get the F7 unlocked non-LN2 BIOS as well, and you can game with that when you don't need all the extra voltage. You can add the +93mv if needed, and you'll be up to 1.31v on the non-LN2, as opposed to 1.36v on the LN2. I can hit ~1380mhz with 1.31v, so I game with that and leave the 3A BIOS for benching.
Hope you get a great card. Good luck thumb.gif

Whats your afterburner settings to game at that core? volts? , mem ? aux? i game at 1333 on core on LN2 and 7880mem. Wonder which will benefit more, core or mem OC

7880mhz memory speed? Damn. You sure you don't lose performance when going that high? You've ran benchmarks to confirm? If error-correction kicks in, you'll actually lose performance instead of gaining it when raising the memory speed. Doesn't necessarily have to crash either, so, it's not obvious, you'd have to test to be sure. I have 7200mhz in my sig for the one Lightning, but I can actually go higher. It's just that at anything over 7200mhz, my score drops more than the margin of error would be, so, yeah.
What do you have the memory voltage at, +100mv? tongue.gif

When using one card (my better one), at that 1380mhz core speed on the F7 BIOS, my core offset is at +180mhz I believe. I haven't set it at that in a while because I've been using SLI at stock clocks with Far Cry 3 for a while now, and I'm pretty sure 310.70 changed the offset slightly, but around +180mhz for 1380mhz core, since my stock clock on the F7 is same as LN2 BIOS, 1202mhz. For 1380mhz on the non-LN2, I need +93mv core voltage, or 1.31v. Memory voltage depends on what I'm doing with it. I can run +400mhz with only +10mv on the memory.

I've been under the impression that if you're not hitting a full load on the core, overclocking it will not yield much benefit. Memory is a bit different, since I've seen almost everyone see a performance increase when overclocking it. So, I think you should see more of a benefit going with the higher memory overclock if you're not hitting a full load on the core. I would check out those speeds though, to make sure ECC isn't kicking in. It doesn't necessarily have to crash, you'll just lose performance. So I'd double-check smile.gif
Edited by dph314 - 12/30/12 at 4:23pm
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post #4693 of 7827
Core volts 93mv
power limit 300
core clock 133
mem clock- 540 ( Giving a total of 7088) My bad, clearly i was zoned out lnight
fan speed- i put it at 70 when gaming

mem volt-10
aux voltage-10

in game: core hits 1333 and mem 3544
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post #4694 of 7827
Quote:
Originally Posted by snitchkilla11 View Post

i got 4 lit on idle
Quote:
Originally Posted by gotendbz1 View Post

same here 4 lit at idle with non-ln2


I got 5 LED on idle. Why you say you got 4 ? You didn't saw the one hidden between the backplate ?
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post #4695 of 7827
Quote:
Originally Posted by CalinTM View Post

Quote:
Originally Posted by snitchkilla11 View Post

i got 4 lit on idle
Quote:
Originally Posted by gotendbz1 View Post

same here 4 lit at idle with non-ln2


I got 5 LED on idle. Why you say you got 4 ? You didn't saw the one hidden between the backplate ?

Yep, I got 5 as well.
Quote:
Originally Posted by SeekerZA View Post

Core volts 93mv
power limit 300
core clock 133
mem clock- 540 ( Giving a total of 7088) My bad, clearly i was zoned out lnight
fan speed- i put it at 70 when gaming

mem volt-10
aux voltage-10

in game: core hits 1333 and mem 3544

Ahhh, 7088mhz. Makes sense now, easy mistake smile.gif
I actually believed it though because someone else on here really did have his memory clock somewhere up there. So, if one person can do it...
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post #4696 of 7827
Will be joining this club..soon. I hope.
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post #4697 of 7827
Got one of these yesterday, locked LN2 bios model. Quite unimpressed with the card, 1267 MHz max game stable on LN2 bios without any extra voltage. 1280 is not stable even with +50mv. Temps head into the 50's with 100% fan with low 20's *C ambient temps. I thought these cards were supposed to be binned? However there's many vanilla reference cards outclocking mine.
post #4698 of 7827
Some overclock better, some worse.With cpus & gpus it's always like playing the lottery.

Also, is that the boosted clock speed? The clocks shown in gpu-z main tab can be different than the actual speed, kepler's boost makes everything weird. Have to leave AB or a gpu-z sensor tab open too see it.

    
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post #4699 of 7827
I know its a lottery but still its a dedicated overclocking card designed from the ground up for overclocking, why put POS GPU's on it?

My card does do +900 ram on +20mv game stable (still on air, block is on its way) so that's something.


Edited by CryptiK - 1/1/13 at 1:02am
post #4700 of 7827
Quote:
Originally Posted by CryptiK View Post

Got one of these yesterday, locked LN2 bios model. Quite unimpressed with the card, 1267 MHz max game stable on LN2 bios without any extra voltage. 1280 is not stable even with +50mv. Temps head into the 50's with 100% fan with low 20's *C ambient temps. I thought these cards were supposed to be binned? However there's many vanilla reference cards outclocking mine.

Now, by what you said in the bold parts... Did you flash to the 3A? Because the 'locked' BIOS doesn't respond to any voltage increase, regardless of being able to adjust/apply the slider.

You would get more than 13mhz from a +50mv increase with the 3A BIOS (I hope).
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