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3 way SLI won't enable only 2 way SLI

post #1 of 2
Thread Starter 
Hi guys,
Well my simple little benchmarking pc is turning into a pig with dramas. I'm using a crosshair v formula-z, fx 8350, and 3x GTX580's. Now when I go to nvidia control panel I try sli it will only sli cards 1 and 3 and dedicate card 2 to physx. Anyone had this drama and know a fix?
 
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ROG Gene
(14 items)
 
Xeon Home Server
(10 items)
 
CPUMotherboardRAMHard Drive
intel xeon e3 -1245v2 AsRock H77 Pro4/MVP 16gb 1333 Gskill Sniper OCZ Vertex Plus 60gb 
Hard DriveHard DriveCoolingPower
2x WD Black 1TB 4x WD Red 2TB Coolermaster Hyper 212 Thermaltake Smart 430w 
CaseOther
Fractal Design Define R3 Black Intel Pro/1000 MT Dual Port Server Adapter 
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post #2 of 2
were you ever able to run 3-way SLI using the current SLI bridge you are currently using? if you were able to run a 3-way SLI configuration using the same bridge before then I would rule out that the bridge is fine. I would start looking into your motherboard bios configs and driver settings

lets say you have tried to run the 3 cards in SLI one more time, and lets say that the control panel is saying that it is dedicating card #2 to PhysX, do a test run and see if card #2 would operate as a PhysX card or would it operate normally? I would do that just to see how the system responds

I hope this helps, good luck.
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