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[Official] MSI GTX 680 Lightning Owners Club - Page 644

post #6431 of 7827
Yep, I even pulled the cooler on both for a look, everything the same.
post #6432 of 7827
Just bought a Lightning:



I have been attempting to get a decent OC out of this thing and but even pushing +100 causes Heaven benchmark crashes with no memory OC. Is that normal? I have seen people pushing far greater core clocks than that using air, and I am on water. I have flashed the recommended BIOS and have tried to get the voltage unlock tweak to work but I do not seem to be having any luck with the config tweak.



Any thoughts? Maybe I should flash the BIOS back to the version it came with?

Max core temp gets to 63C with +50 on the core (+0 on memory) and seems to be semi stable with Heaven, I get the odd graphic glitch here and there but no CTD. With no overclock the temp gets to 40C in Heaven.
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post #6433 of 7827
Quote:
Originally Posted by shakurass View Post

Just bought a Lightning:



I have been attempting to get a decent OC out of this thing and but even pushing +100 causes Heaven benchmark crashes with no memory OC. Is that normal? I have seen people pushing far greater core clocks than that using air, and I am on water. I have flashed the recommended BIOS and have tried to get the voltage unlock tweak to work but I do not seem to be having any luck with the config tweak.



Any thoughts? Maybe I should flash the BIOS back to the version it came with?

Max core temp gets to 63C with +50 on the core (+0 on memory) and seems to be semi stable with Heaven, I get the odd graphic glitch here and there but no CTD. With no overclock the temp gets to 40C in Heaven.

What is that bridge you got on your lightning? The bridge i got only allowed me to place fitting infront ,unlike yours where it sits top and bottom. Please point me out in the right direction through FrozenCPU. I want to get one through them. Will make things look much cleaner inside

With unlocked BIOS and same Nvdia drivers and afterburner as yours i am stable at higher oc in Heaven. Also on water. Really not sure what is wrong with your Lightning. First time i hear of something like that.
Edited by SeekerZA - 3/23/13 at 11:19pm
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post #6434 of 7827
Hi guys I just purchased a used GTX680 Lightning and I have a couple of questions for you guys. First, I purchased the card with the unlocked bios (80.04.09.00.F8) however I'm not sure if someone flashed this before, or if this is one of the first 5000 cards that shipped. Would I be able to tell by the serial number on the card if this is the original bios? Second here is what I've gotten stable so far(on air), does this seem right to you?

(LN2 Bios)
Driver 314.21
AB 3.00 Beta 7

Core Voltage - Remains Untouched for now
Power Limit 200%
Core Clock +90
Memory Clock +550
post #6435 of 7827
Quote:
Originally Posted by SeekerZA View Post

What is that bridge you got on your lightning? The bridge i got only allowed me to place fitting infront ,unlike yours where it sits top and bottom. Please point me out in the right direction through FrozenCPU. I want to get one through them. Will make things look much cleaner inside

With unlocked BIOS and same Nvdia drivers and afterburner as yours i am stable at higher oc in Heaven. Also on water. Really not sure what is wrong with your Lightning. First time i hear of something like that.

It's an EK-FC Bridge Single CSQ

http://www.ekwb.com/shop/blocks/vga-blocks/multiple-block-connectivity/fc-connection-parts/ek-fc-bridge-single.html

http://www.frozencpu.com/products/17610/ex-blc-1377/EK_FC_Bridge_Single_CSQ_-_Acetal_EK-FC_Bridge_Single_CSQ.html
    
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post #6436 of 7827
Quote:
Originally Posted by shakurass View Post

Just bought a Lightning:

I have been attempting to get a decent OC out of this thing and but even pushing +100 causes Heaven benchmark crashes with no memory OC. Is that normal? I have seen people pushing far greater core clocks than that using air, and I am on water. I have flashed the recommended BIOS and have tried to get the voltage unlock tweak to work but I do not seem to be having any luck with the config tweak.

That's not unusual. AB might not be applying your voltages.

First, notice the little button to the right of the vore voltage slider. Click it and drop aux voltage to -100mv, and if that isn't good, try -50mv. Most find that -100 improves OC stability, some find that -50 is better for them.

Second, close AB; go to the AB directory and find your profiles (default path is C:\Program Files (x86)\MSI Afterburner\Profiles) and add these lines under [Settings] in the profile(s), so it looks like this:
[Settings]
VDDC_Generic_Detection = 0
VDDC_CHL8318_Detection = 46h
VDDC_CHL8318_Type = 1

Restart AB, and everything should be good. On air I can get a stable boost freq of 1333 and a mem clock of 3703, with the same asic score. You should be able to do a bit better with wc, maybe not the same mem OC but definitely the same or better core with at least +250 -- +500 mem.
post #6437 of 7827
Wiredg, where should the lines be added in the .cfg file, anywhere or before/after anything specific? Thanks..
post #6438 of 7827
Quote:
Originally Posted by sinisster View Post

Hi guys I just purchased a used GTX680 Lightning and I have a couple of questions for you guys. First, I purchased the card with the unlocked bios (80.04.09.00.F8) however I'm not sure if someone flashed this before, or if this is one of the first 5000 cards that shipped. Would I be able to tell by the serial number on the card if this is the original bios? Second here is what I've gotten stable so far(on air), does this seem right to you?

(LN2 Bios)
Driver 314.21
AB 3.00 Beta 7

Core Voltage - Remains Untouched for now
Power Limit 200%
Core Clock +90
Memory Clock +550

Sounds about right. That's the same type of OC I get. Just know that with those beta drivers your clock speeds will be buggy.

http://www.youtube.com/watch?v=_tgT5TXvDAk

Not sure if nvidia intended for the drivers to do that, but both beta 314.xx drivers do that.
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post #6439 of 7827

This is correct. It is the old link system, EK have switched to a new system that sits on top of the graphics cards when you have multiples however as you can see I had need to put the fitting on the side. The bridge was cheaper and lower profile than two 90 degree rotary fittings.
Edited by shakurass - 3/24/13 at 10:35am
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post #6440 of 7827
Quote:
Originally Posted by wiredg View Post

That's not unusual. AB might not be applying your voltages.

First, notice the little button to the right of the vore voltage slider. Click it and drop aux voltage to -100mv, and if that isn't good, try -50mv. Most find that -100 improves OC stability, some find that -50 is better for them.

Second, close AB; go to the AB directory and find your profiles (default path is C:\Program Files (x86)\MSI Afterburner\Profiles) and add these lines under [Settings] in the profile(s), so it looks like this:
[Settings]
VDDC_Generic_Detection = 0
VDDC_CHL8318_Detection = 46h
VDDC_CHL8318_Type = 1

Restart AB, and everything should be good. On air I can get a stable boost freq of 1333 and a mem clock of 3703, with the same asic score. You should be able to do a bit better with wc, maybe not the same mem OC but definitely the same or better core with at least +250 -- +500 mem.

Thanks for the reply! Here is the profile config I am using:
Code:
[I2C_BUS_04_DEV_30]
Offset00=FF 00 00 00 01 00 FF FF FF FF FF FF FF FF FF FF 
Offset10=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset20=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset30=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset40=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset50=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset60=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset70=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset80=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset90=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetA0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetB0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetC0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetD0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetE0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetF0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
[Defaults]
Format=2
CoreVoltageBoost=0
MemoryVoltageBoost=0
AuxVoltageBoost=0
PowerLimit=100
CoreClkBoost=0
MemClkBoost=0
FanMode=1
FanSpeed=47
[Settings]
VDDC_Generic_Detection = 0
VDDC_CHL8318_Detection = 46h
VDDC_CHL8318_Type = 1
CaptureDefaults=0
[Startup]
Format=2
CoreVoltageBoost=0
MemoryVoltageBoost=0
AuxVoltageBoost=0
PowerLimit=100
CoreClkBoost=0
MemClkBoost=0
FanMode=1
FanSpeed=30
[I2C_BUS_04_DEV_46]
Offset00=69 00 00 5F FF FF FF FF FF FF FF FF FF FF FF FF 
Offset10=50 E8 FF FF FF FF FF FF FF 00 5F FF FF FF FF FF 
Offset20=00 00 35 FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset30=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset40=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset50=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset60=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
Offset70=FF FF FF FF FF FF FF FF 0A 28 55 FF FF FF 80 D6 
Offset80=FF FF FF FF FF FF FF FF 08 01 00 FD 01 08 08 08 
Offset90=65 FF FF FF FF FF 01 03 F8 FF FF FF FF FF FF FF 
OffsetA0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetB0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetC0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetD0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetE0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 
OffsetF0=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF



With that profile config I still seem to be locked to +100 mV. It would explain a lot if the core voltages I am choosing aren't being applied, is there a way for me to check this? With the Aux power set to -100 mV I am able to get the Heaven benchmark to run at +150 MHz on the core with no CTD however there are frequent graphical glitches.
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