2018/01/06 14:22:06
GunslingerOCS
Its a bench set up, single SSD, ASRock X299 OC Formula, 7980XE, plenty of lanes to spare.  This is very frustrating
 
2018/01/06 14:27:44
Sajin
GunslingerOCS
Sajin
From what I have heard you have to...
 
#1 Have the correct sli bridge. Such as 100-3W-0032-LR for 3-way, or 100-4w-0042-LR for 4-way. Bridges without metal contact points won't work from what I have heard.
#2 Enable sli inside the nvidia control panel.
#3 Download the latest version of nvidia inspector, and open the profile inspector.
#4 Make sure you have the profile  _global_driver_profile (base profile) selected.
#5 Click the button "show unknown settings from nvidia predefined profiles" to show all hidden profiles.
#6 Scroll down the settings list until you find the section listed as SLI, and change the setting "number of gpus to use on sli rendering mode" to 3 or 4 depending on how many gpus you want to run.
#7 Scroll down the settings list again until you find the section listed as unknown, and change the setting 0x10FD4C5F (7 profiles) to use 0x01F296C1. Scroll down more and change the setting 0x209FD306 (27 profiles) to use 0x0FC00008.
#8 Click apply changes and your done.
 
I also heard you might need to do the same for each game profile you're trying to run in sli if adjusting the base profile doesn't work. You may also need to set only 0x01F296C1, or 0x0FC00008, but sometimes you may need to set both under each individual profile.


Tried that route, unfortunately there is more to it.  Even with that, GPUz still only shows 2x SLI enabled.




You're running the wrong sli bridge.
2018/01/06 14:33:36
CraptacularOne
GunslingerOCS
Its a bench set up, single SSD, ASRock X299 OC Formula, 7980XE, plenty of lanes to spare.  This is very frustrating
 


I wasn’t sure you were using X299 and an i9. I’m on my tablet as it doesn’t show any signatures or specs in profiles. I would think then the SLI bridge you’re using is the culprit then.
2018/01/06 14:36:01
GunslingerOCS
I'm using the 3x bridge that came with the motherboard.
2018/01/06 14:39:24
Sajin
GunslingerOCS
I'm using the 3x bridge that came with the motherboard.


Exactly. You need a bridge like this one...
 


2018/01/06 14:46:26
GunslingerOCS
If that's the case, that is :censored: retarded.
 
The bridge you have pictured is not even on EVGA's product page...
 
2018/01/06 14:48:12
Sajin
GunslingerOCS
If that's the case, that is :censored: retarded.

I'm pretty sure that is the case. Have you checked to make sure all your gpus will sli with each other just to make sure the sli fingers are all in proper working order?
2018/01/06 14:49:04
GunslingerOCS
Cards are fine. 
2018/01/06 14:52:42
Sajin
GunslingerOCS
The bridge you have pictured is not even on EVGA's product page...

https://www.ebay.com/sch/...W-0032-LR&_sacat=0
2018/01/06 15:24:25
GunslingerOCS
Vince says it's not the bridge.  It's probably a motherboard PCIe bios setting.

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