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https://github.com/NixOS/nixos-hardware.git
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7d9552ef6b
The common/pc/laptop/ssd folder was apparently moved a level up and was replaced by a symlink to keep things working. We can consolidate this now.
Introduction
Due to the introduction of DDG feature, you may toggle DDG frequently, so for the default settings of this laptop, we use "specialization" feature of Nix so that you can easily select the required graphics card driver in the startup menu.
But It will slow down NixOS evaluation by factor 2 and increase memory usage.
So if you don't need specialization feature, you can just use hybrid only configuration or nvidia only (DDG only) configuration
Using multiple drives with this configuration
When using more than one drive, the value of hardware.nvidia.prime.amdgpuBusId will change from the default of PCI:5:0:0.
Make sure you override this default in your personal configuration. For two drives, it should be PCI:6:0:0.
Setup at the time of testing
$ nix-info -m
- system: `"x86_64-linux"`
- host os: `Linux 6.0.9, NixOS, 22.11 (Raccoon), 22.11beta19.c9538a9b707`
- multi-user?: `yes`
- sandbox: `yes`
- version: `nix-env (Nix) 2.11.0`
- channels(root): `"nixos-22.11"`
- nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`
$ lspci
...
01:00.0 VGA compatible controller: NVIDIA Corporation GA104M [GeForce RTX 3070 Mobile / Max-Q] (rev a1)
...
06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cezanne (rev c5)
...