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T2 MacBook Installation


General Information

CachyOS does provide out of the box T2 MacBook support and the required kernel patches are shipped in the default kernel.

The WiFi Support currently is not implemented, since this is a closed source firmware, which we are not allowed to distribute. The installation will only work with LAN internet connection, after the installation you can download on firmware manually and install it to have proper WiFi Support.

You will find below a way to install the firmware after the installation.

Proceeding with Installation

Follow the instructions in Installation Prepare on how to download the ISO and create a bootable USB drive.

Refer to Installation on Root after creating a bootable USB drive. CachyOS does automatically configure your system with CachyOS Hardware Detection, which does apply required boot parameters and other configuration.

Installation of the Firmware

The firmware can be downloaded and fetched from another mirror, which is not hosted by us.

Run the following commands, after you have booted into the Installed System:

  1. Fetch firmware package using one of the following utils:

    Terminal window
    curl -o apple-bcm-firmware-14.0-1-any.pkg.tar.zst
  2. Install firmware package

    Terminal window
    sudo pacman -U apple-bcm-firmware-14.0-1-any.pkg.tar.zst

After that modprobe the firmware and reload the wifi driver:

Terminal window
sudo modprobe -r brcmfmac_wcc; sudo modprobe -r brcmfmac; sudo modprobe brcmfmac`

You are also able to extract the firmware from an ISPW File, see the T2 Wiki: