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[Official] MSI GTX 680 Lightning Owners Club - Page 326

post #3251 of 7827
Is that an unlocked-LN2 BIOS?
post #3252 of 7827
Quote:
Originally Posted by CrazyElf View Post

I wonder if there is an optimal point in each generation of GPU for these non-reference cards, where on-average you have the best chance of getting really good overclocks.
Hmm ... it seems the ones that got the Lightnings around the time that the voltage unlock in Afterburner became available got the best Lightnings; if not the best 680s all around.

I think the guys who got the first batch and maybe for a bit after that got the best cards, and you didn't start seeing the high clocks until AB 2.2.3 hit.
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post #3253 of 7827
GTX680 DC2T with hotwire mod:

1406 on the core and 7455 on memory.
1.412v on multimeter and max temp is 56 C.

When i put the resistor arournd 1Ohm voltage gets to 1.5 but it will already fail at 1430mhz, so its pretty a **** chip smile.gif

3dmark 11 soon!
post #3254 of 7827
1,4Ghz is crazy, and I don't think 1,4v is bad either... i ran at 1,28 and is chip is like 66 degrees at max / 1291mhz, thats what i call a bad chip wink.gif.
Since I need to up voltage 0,07V to obtain 39 mhz more thats just wack.

I always got bad luck with chips... even my i5 needs 1,5V to run at 3.9Ghz.
I take my luck with other things wink.gif
Edited by Arnoud87 - 10/13/12 at 3:35am
post #3255 of 7827
Well, I've just received my Lightning 680 today and it seems to have the 80.04.28.00.39 Bios (Locked?), and using the stock bios setting I've been able to hit 1301 Boost and 1702 Memory using just power limit set to 133% and Core +125, Memory +400. It seems pretty stable using 3dmark 11 (11163 Graphics score), but I've been hearing some coil whine that seems to happen only in 3dmark 11 and games. Might be my PSU (HX750), but has anyone else had coil whine with their lightnings? Otherwise, I've been pretty happy with my results.


Edit: Well, Heaven was pretty blunt with me and told me what was up very fast. It wasn't stable at 1301 @+125 Core and 6800 @+400 Mem, so I knocked it down to 1250 Boost @ +75 Core and 6600 @ +300 Mem, which I'm more than happy with. Heaven seems to not induce as much coil whine as 3dmark11 for some strange reason. Overall my Heaven score @ Max settings 1920 x 1080 was 1330 @ 52.8 FPS. About 7 whole FPS more than my previous 7970s thumb.gif
Edited by Tyn1 - 10/13/12 at 4:00am
post #3256 of 7827
Quote:
Originally Posted by Tyn1 View Post

Well, I've just received my Lightning 680 today and it seems to have the 80.04.28.00.39 Bios (Locked?),:
if you want to unlock your card to get the full 1,28V operating you need the 3A bios and afterburner 223 (NOT 224 OR older!!!)

Flash it with 3A bios first wink.gif!
http://speedy.sh/Vx574/3A.rom (same thing as start post)
Maybe you get 1,4Ghz with luck.
u need 2 heaven runs without stops to be sure of stability, sometimes ram goes artifacting just after a few minutes


i get 54,4 with 1291/+550 (1,28V)
in heaven on ur settings. Does heaven 1 hour without problems.

Amyway any 680 at 1250mhz or higher is good, 680 is allready on its very close max potential
Edited by Arnoud87 - 10/13/12 at 5:04am
post #3257 of 7827
Thanks for the bios, appreciate it. Will be doing the flash once I take off my side panel and find out what's the cause of coil whine, otherwise VERY happy with card. Gets a bit loud at startup though.
post #3258 of 7827
Quote:
Originally Posted by Tyn1 View Post

Thanks for the bios, appreciate it. Will be doing the flash once I take off my side panel and find out what's the cause of coil whine, otherwise VERY happy with card. Gets a bit loud at startup though.

The 3A bios doesn't have the 100% fan at start up, got to love that
post #3259 of 7827
Really dont like the whole startup process of the Lightning, i think its very lame, especially in a Antec 1200 with dust filters all over the place.
If i power my PC up I dont want any annoying fans boosting.
Nothing to do about it
Edited by Arnoud87 - 10/13/12 at 7:09am
post #3260 of 7827
BIOS 3A indeed has 100% fan spin at startup, the only one that has 30% fan spin at startup is 101a/110a. I uploaded them several times in this thread, otherwise you can fin them at msi germany 680 lightning web. The only downside of this BIOS is that you'll face a hard lock when facing an OC instability, the rest is just as good as 3A.

Regards!
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