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SLI help: GTX680éGTX680 Superclocked in SLI

post #1 of 9
Thread Starter 
Specs:

i5 2550k (3.4 GHz Stock)
Asus Sabertooth P67 (Bios up to date)
Patriot G2 1600MHz RAM (16gb 2x8gb 1.65v)
NEX 750G PSU
GTX 680
GTX 680 Superclocked

My system doesn't seem to recognize the two cards in SLI.
Each card individually, yes.

I have run through an initial trouble shooting and basic problem solving.
Today I wiped everything for a fresh start, clean install and such.

currently no improvements.

my hypothesis is the SLI bridge is FAIL

but I am having concerns about power, and or incomparability of the cards.

(Power seems sufficient)

Help would be greatly appreciated.
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post #2 of 9
You've tried enabling SLi in the nVidia control panel correct?
Ivy(saur)
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Ivy(saur)
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post #3 of 9
They both have the same VRAM right?

If they dont thats why it wont work
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Seravee
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post #4 of 9
Thread Starter 
Quote:
Originally Posted by 0CALEFACTION0 View Post

You've tried enabling SLi in the nVidia control panel correct?

Not even showing in CP.
Quote:
Originally Posted by shilka View Post

They both have the same VRAM right?

If they dont thats why it wont work

Both cards are identical, with the exception of the factory OC
Eradiate
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post #5 of 9
Quote:
Originally Posted by TheMindAtLarge View Post

Not even showing in CP.
Both cards are identical, with the exception of the factory OC

What isn't showing in CP. Both cards? One card? SLi option?
Ivy(saur)
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Ivy(saur)
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Samsung Spinpoint F3 1TB LG CD/DVD Burner Hyper 212+ Windows 7 Home Premium-64bit 
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post #6 of 9
Could be a busted PCI-E slot if the second one does not show up
Edited by shilka - 5/23/13 at 12:20pm
Seravee
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Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
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Seravee
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CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
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post #7 of 9
Thread Starter 
The second card isnt showing, so the SLI option is not present in the Nvidia control panel.

Despite the bridge, the sytem should know their is two cards, yes?

Both cards work seperatetly , so it is either the bridge, or the second PCI slot...

NOW, in my bios the only option I have, that I THINK, might be relative is:

PCI express x1_2 slot configuration
currently set to: U3 mode.
other option being: 1x mode

tried that didnt make a difference.

Swapped the cards again, checking connections for dame etc. no difference.
but now running the other card as the main.
Edited by TheMindAtLarge - 5/23/13 at 12:56pm
Eradiate
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Eradiate
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CPUMotherboardGraphicsGraphics
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RAMRAMHard DriveHard Drive
Patriot g2 series division 2 Patriot g2 series division 2 Mushkin Chronos sandforce western digital caviar blue  
Hard DriveOptical DriveCoolingOS
western digital caviar green LG Blu-ray disc combo EVGA Superclocker  Windows 7 Home Premium 64bit 
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post #8 of 9
Have you ran the cards without a bridge? That will root out the bridge as the problem if you still see only one card. Then the only culprit could be the second slot.
Ivy(saur)
(17 items)
 
Brother's Build
(14 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 2500k ASRock P67 Extreme4 EVGA GeForce GTX 460 SE G.SKILL Sniper (2x4gb) 1600MHz 
Hard DriveOptical DriveCoolingOS
Samsung Spinpoint F3 1TB LG CD/DVD Burner Hyper 212+ Windows 7 Home Premium-64bit 
MonitorPowerCase
Dell S2309W 23in 1080P Antec EarthWatts 650W Cooler Master HAF 912 
  hide details  
Reply
Ivy(saur)
(17 items)
 
Brother's Build
(14 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 2500k ASRock P67 Extreme4 EVGA GeForce GTX 460 SE G.SKILL Sniper (2x4gb) 1600MHz 
Hard DriveOptical DriveCoolingOS
Samsung Spinpoint F3 1TB LG CD/DVD Burner Hyper 212+ Windows 7 Home Premium-64bit 
MonitorPowerCase
Dell S2309W 23in 1080P Antec EarthWatts 650W Cooler Master HAF 912 
  hide details  
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post #9 of 9
Thread Starter 
tried removing the bridge. no luck.

tried running a single card (each card used separately) on the second slot. i have concluded its dead...

referenced curious BIOS options to no success...
Edited by TheMindAtLarge - 5/23/13 at 11:51pm
Eradiate
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CPUMotherboardGraphicsGraphics
Intel Core i5 2550k SABERTOOTH P67 NVIDIA GeForce GTX 680 NVIDIA GeForce GTX 680 
RAMRAMHard DriveHard Drive
Patriot g2 series division 2 Patriot g2 series division 2 Mushkin Chronos sandforce western digital caviar blue  
Hard DriveOptical DriveCoolingOS
western digital caviar green LG Blu-ray disc combo EVGA Superclocker  Windows 7 Home Premium 64bit 
MonitorKeyboardPowerCase
Dell U2412M Corsair K70 Black EVGA Supernova NEX750G Fractal Design Define XL Black  
MouseAudio
Func MS3 Razer Charcharias 
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Eradiate
(18 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i5 2550k SABERTOOTH P67 NVIDIA GeForce GTX 680 NVIDIA GeForce GTX 680 
RAMRAMHard DriveHard Drive
Patriot g2 series division 2 Patriot g2 series division 2 Mushkin Chronos sandforce western digital caviar blue  
Hard DriveOptical DriveCoolingOS
western digital caviar green LG Blu-ray disc combo EVGA Superclocker  Windows 7 Home Premium 64bit 
MonitorKeyboardPowerCase
Dell U2412M Corsair K70 Black EVGA Supernova NEX750G Fractal Design Define XL Black  
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