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https://github.com/NixOS/nixos-hardware
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36 lines
1.5 KiB
Markdown
36 lines
1.5 KiB
Markdown
# NixOS on T2 Macs
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This is the `nixos-hardware` module of the [T2 Linux Project](https://t2linux.org).
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Overall, most features (WiFi, bluetooth, audio, touchbar, ...) of Macs are supported, [see this page](https://wiki.t2linux.org/state/) for a detailed list of things that work and things that don't/partially work.
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Following [this guide](https://wiki.t2linux.org/distributions/nixos/installation/) is the recommended way to install, as it incudes the extra things you have to do on a T2 Mac.
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You can consult the [wiki](https://wiki.t2linux.org/) for information specific to T2 Macs.
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## Unlocking Internal iGPU
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The `apple-set-os-loader-installer` module serves as an installer for the [`apple-set-os-loader`](https://github.com/Redecorating/apple_set_os-loader). This tool is designed to unlock the internal integrated GPU (iGPU) on certain MacBooks. See https://wiki.t2linux.org/guides/hybrid-graphics/ for more details.
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### What it Does:
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Upon activation, this module performs the following:
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- Renames the existing `BOOTX64.EFI` file to `bootx64_original.efi`.
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- Installs the `apple-set-os-loader` hook in its place as `bootx64.efi`.
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- Before the system boots the hook unlocks the iGPU and subsequently calls the original `bootx64_original.efi`.
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- Enables the iGPU by default.
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### How to Implement:
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1. Add this into your `configuration.nix`:
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```
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hardware.apple-t2.enableAppleSetOsLoader = true;
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```
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2. **Rebuild your system**:
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```
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sudo nixos-rebuild switch
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```
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> **Note**: Always ensure compatibility and make backups of your data before making any system changes.
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