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NVIDIA SLI


jetkid

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damn shame! imagine sli vr with 1 card per eye!

 

Now imagine each eye desynched :lol:

New hotness: I7 9700k 4.8ghz, 32gb ddr4, 2080ti, :joystick: TM Warthog. TrackIR, HP Reverb (formermly CV1)

Old-N-busted: i7 4720HQ ~3.5GHZ, +32GB DDR3 + Nvidia GTX980m (4GB VRAM) :joystick: TM Warthog. TrackIR, Rift CV1 (yes really).

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Sounds like it will be possible with Vulcan IF the developer decides to implement it. Soooo, thats a long shot.

i9 9900K @ 5.1Ghz - ASUS Maximus Hero XI - 32GB 4266 DDR4 RAM - ASUS RTX 2080Ti - 1 TB NVME - NZXT Kraken 62 Watercooling System - Thrustmaster Warthog Hotas (Virpil Base) - MFG Crosswind Pedals - Pimax 5K+

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It looks like the 3090 is the only new card that supports NVlink (SLI) and Nvidia will no longer be making drivers/profiles for it. It's on the developer to support it in DX12 or Vulkan.

 

DCS in SLI with 20 series cards works very well in 2D but not VR unfortunately. I assume Pascal 10 series cards work too but did not have any in hand to test.

 

https://forums.eagle.ru/showpost.php?p=4170083&postcount=21

 

In my tests with two 2080 Ti's scaling was at 80%+ at 4K resolutions and high AA settings (GPU bound scenario) but not worth it for 1080p. I did not test at maxed out AA settings at 1440p unfortunately, best guess scaling would be comparable to 4K resolution.

 

If you have the free PCIe slot and surplus wattage from your power supply and you can pick up a second 1080 Ti/2080 for cheap on the used market and you like to play at 1440p or higher resolution you might be pleasantly surprised at what you can achieve.

 

I would definitely put this in the advanced user category as you need to feel comfortable with Nvidia Inpector, Nvidia drivers, and compatibility bits.

 

https://forums.eagle.ru/showpost.php?p=3410823&postcount=65

 

https://forums.eagle.ru/showthread.php?t=201454

 

A big fat caveat in all this is this is a user level workaround and DCS does not support SLI in an official capacity so don't go putting in a help desk ticket or start a complaint thread if you can't get it to work. And you still have the issue with TrackIR and 60fps but a second card gives you more surplus overhead to turn up GPU bound graphic settings like resolution and antialiasing.

 

But SLI works very well in DCS if you know what you are doing.

 

 

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SLi and CrossfireX are dead.

 

DX12 Explicit/Vulkan mGPU is the current method.

Windows 10 Pro, Ryzen 2700X @ 4.6Ghz, 32GB DDR4-3200 GSkill (F4-3200C16D-16GTZR x2),

ASRock X470 Taichi Ultimate, XFX RX6800XT Merc 310 (RX-68XTALFD9)

3x ASUS VS248HP + Oculus HMD, Thrustmaster Warthog HOTAS + MFDs

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