Many motherboard manufacturers have released new firmware to support Resizable BAR on.

class=" fc-smoke">Mar 31, 2021 · 2021/03/31.

Supports Intel ® Smart Connect, Intel ®. 2 SSD.

There in the details you will see "resizable BAR:" If.

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Click Resize BAR icon and set to [On] 3.

Confirm Resize BAR state with GPU-Z. Right click of mouse and select [NVIDIA Control Panel] 2. .

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Jan 24, 2023 · Enabling Resizable BAR requires a compatible CPU, motherboard, system firmware (SBIOS), R465 or higher driver, as well as GPU firmware (VBIOS) support.

(AGESA Combo V2 PI 1.

Support launches alongside GeForce RTX 30 Series laptops and GeForce RTX 3060 graphics cards, on compatible AMD and Intel CPU platforms and motherboards. Confirm Resize BAR state with GPU-Z.

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Using the feature requires you to run your machine in native UEFI mode (with CSM disabled).
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2 PCIe 3.

I have a MSI MPG z390 Gaming Pro Carbon AC motherboard, which supports resizable bar, but I've heard that this feature is only available for the 9900k, not the 9700k.

If you purchase one, all you need is a compatible motherboard and motherboard SBIOS, described above, and our newest Game Ready Driver, detailed below. . .

89 driver added the PCI-Express Resizable BAR feature on all the GeForce RTX 30 Series’ GPUs. Resizable BAR works by unlocking access to the full graphics frame buffer, instead of limiting it to 256MB block reads. 3. . Before enjoying the benefits of Resizable BAR technology, please make sure that the GPU, CPU and motherboard are supported. .

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Resizable BAR, a feature of the PCI Express® expansion bus. Support launches alongside GeForce RTX 30 Series laptops and GeForce RTX 3060 graphics cards, on compatible AMD and Intel CPU platforms and motherboards.

It is possible it won't register, but some ppl say on reddit it worked with their 9xxx CPU! I don't want to brick anything, or like that, so I Am asking for more infom.

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I'm curious as to whether there's some way to build support for Resizable BAR into OpenCore or a kext that works around the missing Mac OS support by performing some virtual memory management that under such circumstances.

It is probably a pretty substantial task.