Like clockwork, Lukas is on it.
Edit: It appears this video is geared for Nvidia 3000 owners.
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It also only works for the following CPU’s and Chipset’s
So I’m out of luck with my i9 9900K.
Happy Simming
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Maybe best to rename the topic to something like ‘Nvidia RTX ReBar with DCS’?
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Only @Chaz or a @moderators can do it - I’m not emotionally stable enough to be in that group 
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Z370 and 390 boards from Asus getting bios update in may
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Apparently I am. Who would have guessed?
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Discobot is all wise. 
(actually, I think ‘Regulars’ can changed topic titles (I forgot!), I just wanted @Chaz to be ok with it)
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Didn’t know what ReBar was until reading this thread. Pretty interesting … thanks Chaz. Since then I read that AMD 3xxx CPUs will also be supported. (still love my 3900X)
I think it might already be supporting Ryzen 3xxx CPUs! I flashed my GPU bios, flashed my mobo bios (beta) and updated my Nvidia drivers … noice …
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Get testing 
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Tested the only game in the current ReBAR supported list that I have … Red Dead Redemption 2. I set graphics to Ultra and 4K and ran the benchmark.
Without ReBAR …
With ReBAR (you set it in your mobo’s BIOS’s PCI subsystem settings) …
Nice little 10% gain there for free!
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Well. I was to fast.
Most vendors have released Bios upgrades for their Z370 and Z390 mainboards with ReBAR support.
So with a Bios upgrade of my ASUS Prime Z390-a and RTX 3070 and the proper settings I now have ReBAR enabled with my i9 9900K system.
Happy Simming
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