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[Official] MSI GTX 680 Lightning Owners Club - Page 533

post #5321 of 7827
What is the max voltage you can achieve with the locked ln2 bios or the non ln2?
post #5322 of 7827
What's the best SLI Heaven run you guys have managed with the Lightnings? I know Heaven generally favors AMD so I'm wondering how they compare to the Lightnings? Just did this run at not quite max clocks (1215/1733):



Heaven maxed out at 1080p...
post #5323 of 7827
This might be a dumb question, but is there anyway to like "Lock" the core clocks so that they don't drop back down to the default clocks?
Cause in a few of my games the clocks stay at default.
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post #5324 of 7827
Quote:
Originally Posted by setza View Post

What is the max voltage you can achieve with the locked ln2 bios or the non ln2?

Locked...I think it's 1.175v, like all the other 680's. Maybe closer to 1.21v on a DMM. 1.21v is the max either way though.

For the unlocked non-LN2 BIOS, +93mv will give you ~1.31v-1.32v.

Quote:
Originally Posted by StoneyMetallica View Post

This might be a dumb question, but is there anyway to like "Lock" the core clocks so that they don't drop back down to the default clocks?
Cause in a few of my games the clocks stay at default.

No dumb questions here, don't worry smile.gif

No way to lock in your overclock I don't think, no. If you set 'Prefer Maximum Performance' in the driver settings for that game, then you'll stay at the full non-boost speed though. That can smooth the framerate out a bit when you get a game that isn't too demanding and the clock keeps dropping down to 800mhz and back up every second.
Quote:
Originally Posted by Majin SSJ Eric View Post

What's the best SLI Heaven run you guys have managed with the Lightnings? I know Heaven generally favors AMD so I'm wondering how they compare to the Lightnings? Just did this run at not quite max clocks (1215/1733):


Heaven maxed out at 1080p...

I'll let someone else take this one for the moment. I didn't even reinstall Heaven since I switched over to Windows 8. Maybe I'll take my first stab at it on Win8 later on tonight or tomorrow.
Edited by dph314 - 1/27/13 at 2:26pm
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post #5325 of 7827
Quote:
Originally Posted by StoneyMetallica View Post

This might be a dumb question, but is there anyway to like "Lock" the core clocks so that they don't drop back down to the default clocks?
Cause in a few of my games the clocks stay at default.

Sounds like your not increasing your power limit. you can just put it at 300% or 133% if you have the normal bios
or i heard there was thermal limiters in these cards and if you get into the 70c's they will auto lower the voltage and clock down

No idea if the 2nd thing is true cause ive never been over 70c but i know it happens if you don't have your power limit high enough
post #5326 of 7827
Quote:
Originally Posted by Shperax View Post

Every time i restart my afterburner it goes down by itself in voltage. is that normal?

Yes it's a "rounding issue" but was never fixed in subsequent versions as NVIDIA layed the smackdown to everything.

Quote:
Originally Posted by dph314 View Post

You mean you gained stability from going to the 18 BIOS? What were you stable at before?

Yes exactly, I was stable with 1254 on air on the first card at stock voltage with the shipping 39 bios. It's now on water, but water didn't gain me much when I was at max overclock. It was semi stable on air at 1293 (would crash after ~15mins in bf3) and water made that stable (although it'd still crash in BFBC2 after/during a long round). I find it hard to believe water alone gained me 1254 -> 1280 at stock volts. I even turned down my rad fans and played crysis at mid 40's on the core 95-99% load both cores and rock solid. Gamed BFBC2 for ~2-3 hours at those clock too, and 1293 used to crash when overclocked after a long round, never lasted 2 rounds. I will test bf3 today.

I just wish we could figure out the link between the lower voltages in the table and boost speed available. I want to be able to set stock voltage in the bios and set boost speed to what I want, but it doesnt work that way, we have to set voltage to max (1.212v) in the bios so it uses the top boost speed which is controllable.
Quote:
Originally Posted by setza View Post

What is the max voltage you can achieve with the locked ln2 bios or the non ln2?

1.304v for me when starting at 1.175v (bios), or 1.36v when starting at 1.212v (bios)

I have to retarget the 100% board power value though as the power slider does nothing to stop throttling when you crank the voltage and the TDP hits 89-90%

Quote:
Originally Posted by Shperax View Post

Sounds like your not increasing your power limit. you can just put it at 300% or 133% if you have the normal bios
or i heard there was thermal limiters in these cards and if you get into the 70c's they will auto lower the voltage and clock down

No idea if the 2nd thing is true cause ive never been over 70c but i know it happens if you don't have your power limit high enough


I think he's saying the games dont even load the card enough to engage top clocks. I fired up the old BF2 and it had both cores at 8xx MHz then eventually one went up to 1110 the other stayed low. I think dph's suggestion of perfer max performance is all you could do there.
post #5327 of 7827
Gentlemen, I will soon own this card as I read tons on it. Matter of fact, I'm going with the slightly more expensive 4GB iteration. What are some good but not super power consuming OC's? I know enabling the LN2 bios tremendously increases power usage but something modest would be nice.

For example, the best OC you can get without overvolting and a modest OC overvolting but not something that's going to take my temps into the upper 70's. I'm trying to be specific as I don't want to go the highest possible because I don't really want to wear on the card too much. PM or anything in case I miss your post.
post #5328 of 7827
I think it's definitely possible the water added 26mhz to your overclock. I've seen even greater improvements, when going from the same voltage/clocks but to a lower temp. I'm willing to bet it added a decent amount to your max OC as well. Are you going to use ArtMoney now that your under water, see what that thing can really do? devil.gif
Quote:
Originally Posted by liquidmetal14 View Post

Gentlemen, I will soon own this card as I read tons on it. Matter of fact, I'm going with the slightly more expensive 4GB iteration. What are some good but not super power consuming OC's? I know enabling the LN2 bios tremendously increases power usage but something modest would be nice.

For example, the best OC you can get without overvolting and a modest OC overvolting but not something that's going to take my temps into the upper 70's. I'm trying to be specific as I don't want to go the highest possible because I don't really want to wear on the card too much. PM or anything in case I miss your post.

......there's a 4GB version?

Well you're spending $500 on a beefed-up card, and you don't want to push it? If you plan on keeping it for 10 years, I can see where you're coming from but if not....have some fun biggrin.gif

All depends on the card though. I got one that'll do 1250mhz on the stock voltage and one that'll do 1350mhz on the stock voltage. The better one is also stable at 1424mhz in most games and stays at 63C max temp. If you get a really good one, expect around 1350mhz without even touching the voltage. If you don't get that great of one, you might barely break 1300mhz with the voltage slider maxed. Beg the lottery gods to bless you smile.gif
Edited by dph314 - 1/27/13 at 6:10pm
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post #5329 of 7827
Hey guys, first post here smile.gif. Been reading this thread ever since I got my 680 Lighting a couple of months ago and it's been a great help.

Since I got my card I have been using AB 2.2.3 since that was the last version that didn't require any modding to over volt my card but today I decided to upgrade to AB 2.3.1 and mod it. This new version of AB no longer has the voltage go down to +93 but instead it stays at +100. On 2.2.3 my max voltage according to AB graphs was 1.306 and now with the new version it goes to 1.313 and I am able to get slightly higher clocks than I was getting before.

If anyone else wants to bite the bullet and check this out that would be great.

The card that I bought came with bios 80.04.09.F8 so I am lead to believe that this was one of the first 5000 produced. The max stable core clock I can get on this is 1320mhz with +100mv and +300% power. Do you guys reckon I would get better clocks by changing to the newer unlocked LN2 bios or should I just stick with the one I've got? I'm still playing around with the memory but atm I've got it at 7000mhz with +30mv.
post #5330 of 7827
Quote:
Originally Posted by liquidmetal14 View Post

Gentlemen, I will soon own this card as I read tons on it. Matter of fact, I'm going with the slightly more expensive 4GB iteration. What are some good but not super power consuming OC's? I know enabling the LN2 bios tremendously increases power usage but something modest would be nice.

For example, the best OC you can get without overvolting and a modest OC overvolting but not something that's going to take my temps into the upper 70's. I'm trying to be specific as I don't want to go the highest possible because I don't really want to wear on the card too much. PM or anything in case I miss your post.


There is no 4GB Lightning AFAIK, theres the 4GB twin frozr is that what you mean? They aren't the same card. What res are you gaming at?
Quote:
Originally Posted by dph314 View Post

I think it's definitely possible the water added 26mhz to your overclock. I've seen even greater improvements, when going from the same voltage/clocks but to a lower temp. I'm willing to bet it added a decent amount to your max OC as well. Are you going to use ArtMoney now that your under water, see what that thing can really do? devil.gif

I'm not sure. Max OC on air at 1.212v bios (1.23-1.24v real) was 1280, on water, this stayed the same. 1293 became almost stable in all games but not quite. But now on stock vgpu, 1254 before to 1280 stable? I doubt it, but I can't be certain. I don't even know if 1280's the max I just tried it arbitrarily as I was certain it would crash .

LOL not sure, I don't need to crank them to have great FPS even stock they do everything fine in SLI.
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