Gigabyte Nvidia RTX 4090 OC

Functionality	Driver Required?	More Info
Currently Testing	Yes	GitHub Issue

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Description and Notes

The RTX 4090 is supported by both Nvidia’s proprietary driver and the open source Nouveau driver in the Linux Kernel.

It will require a 1x to 16x adapter, or some other means of adapting the 16x-sized card pins into the 1x slot on the CM4 IO Board. You also need to supply at least 450W through the card’s ATX12VO power plug.

There are two ways to try installing the driver:

Proprietary Nvidia driver

After flashing the 64-bit Pi OS beta to my Pi, I made sure to upgrade everything on it, and install the kernel source, so the Nvidia driver would compile:

sudo apt-get update
sudo apt-get -y dist-upgrade
sudo apt-get install -y raspberrypi-kernel-headers
sudo reboot

After rebooting, if you have X server running (e.g. you are logged in via GUI), you need to log out. If you’re running this over SSH or serial connection, you can quit X server with: sudo systemctl stop lightdm.

Now, download Nvidia’s latest AARCH64 Driver for ARM 64-bit processors, make the downloaded .run file executable, and run it with sudo:

chmod +x NVIDIA-Linux-aarch64-525.89.02.run
sudo ./NVIDIA-Linux-aarch64-525.89.02.run

TODO: What happens?

Nouveau (open source) driver

To get the Nouveau driver loaded, you have to recompile the Linux kernel for Pi OS.

Go to Device Drivers > Graphics support on the menuconfig step, and select the Nouveau driver to install.

If you want to be able to boot the Pi all the way, make sure to blacklist the nouveau kernel module:

sudo nano /etc/modprobe.d/blacklist-nouveau.conf

# Put this inside the file and save it:
blacklist nouveau

Now, after a reboot, you can explicitly load the module and see what happens by following dmesg in another terminal session:

sudo modprobe nouveau

TODO: What happens?

See the linked GitHub issue for more details.

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Gigabyte Nvidia RTX 4090 OC