{ config, lib, ... }: { boot.initrd = { availableKernelModules = [ "ahci" "nvme" "sd_mod" "xhci_pci" ]; kernelModules = [ "dm-snapshot" ]; }; nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux"; hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware; }