fixed up things

hosts/fenix/hardware-configuration.nix

@@ -0,0 +1,37 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "xhci_pci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.blacklistedKernelModules = [ "bcma" "b43" "ssb" "brcmsmac" ];
+  boot.kernelParams = [ "radeon.si_support=0" "amdgpu.si_support=1" ];
+  services.mbpfan = {
+    enable = true;
+    settings.general.max_temp = 70;
+    settings.general.high_temp = 55;
+    settings.general.low_temp = 50;
+  };
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f5f5207a-bade-4201-baf6-19898093c459";
+      fsType = "xfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/4FB9-0D14";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}