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Resizable BAR showing as not enabled in BIOS.... after enabling

CJMM767
By CJMM767
in Troubleshooting
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Posted

I recently realised I hadn't enabled resizable BAR on my system so went about doing it today (updated MOBO bios, ensured VBIOS & Drivers for RTX 3070 were working) and once I enabled it in my motherboard BIOS it is still showing as not enabled in Nvidia Control Panel and GPU-Z (screenshot below). Not sure what else I can do so here I am :P. Specs below, TYIA

Motherboard: ASRock B550 Phantom Gaming 4a/c

CPU: Ryzen 7 3700x

GPU: ZOTAC RTX 3070 8GB

RAM: 32GB DDR4 3200

PSU: 750W 80+ Gold

 

image.png

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Posted

Don't you have to enable ReBAR before installing windows? This is a vague recollection
Also, can you snap a pic of it being enabled in BIOS? Sometimes BIOS likes to revert stuff

5950X/3080Ti primary rig  |  1920X/1070Ti Unraid for dockers  |  200TB TrueNAS w/ 1:1 backup

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39 minutes ago, OddOod said:

Don't you have to enable ReBAR before installing windows? This is a vague recollection

Nope.

 

OP try clearing your CMOS then setting everything manually. Some board bioses are buggy.

mY sYsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??  HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!! dId i WiN teH SiLiCON LotTerrY? yOu ShoUlD dEsHrOuD uR GPU. my SYstEm iS UNDerPerforMiNg iN WarzONE. can mY Pc Run WiNdOwS 11 ?? woUld BaKInG MY GRaPHics card fIX it? MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's YOU SHoUlD oVERCloCk yOUR ramS To 5000C18

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42 minutes ago, OddOod said:

Don't you have to enable ReBAR before installing windows?

No, you can enable/disable it dynamically. You should only have to enable reBar and above 4G support, then you can enable it in the driver.

 

But I agree with double checking the setting. My board (B550 Tomahawk) has a weird bug where search shows some BIOS settings twice. Changing one of these is shown as changed when clicking on Save+Reboot, while the other isn't. So you have to pay attention if the change actually did anything.

Remember to either quote or @mention others, so they are notified of your reply

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