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+# MacBook Pro 8,1
+
+## Enable unfree packages in your nix config for b43-firmware (wifi driver) to work
+
+### For b43-firmware only (Ideal)
+
+```nix
+{lib, ...}:
+
+{
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "b43-firmware"
+  ];
+}
+
+```
+
+### For all packages
+
+```nix
+{
+  nixpkgs.config.allowUnfree = true;
+}
+```