flake.nix

@@ -6,14 +6,10 @@
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
-  outputs = {
+  outputs = { self, nixpkgs, nixpkgs-unstable, ... }@inputs: 
-    self,
+  let
-    nixpkgs,
-    nixpkgs-unstable,
-    ...
-  } @ inputs: let
     system = "x86_64-linux";
-
+    
     # Create unstable package set
     unstable = import nixpkgs-unstable {
       inherit system;
@@ -24,15 +20,17 @@
     specialArgs = {
       inherit inputs unstable;
     };
+
   in {
     # NixOS system configurations
     nixosConfigurations = {
+      
       # congenital-optimist - AMD Threadripper workstation
       congenital-optimist = nixpkgs.lib.nixosSystem {
         inherit system specialArgs;
         modules = [
           ./machines/congenital-optimist/configuration.nix
-          ./machines/congenital-optimist/hardware-co.nix
+          ./machines/congenital-optimist/hardware-configuration.nix
           ./modules/common/nix.nix
           ./modules/common/base.nix
           ./modules/common/tty.nix
@@ -77,8 +75,8 @@
     };
 
     # Custom packages for the home lab
-    packages.${system} = import ./packages {
+    packages.${system} = import ./packages { 
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = nixpkgs.legacyPackages.${system}; 
     };
 
     # Development shells for different projects
@@ -149,4 +147,4 @@
     # Formatter for Nix files
     formatter.${system} = nixpkgs.legacyPackages.${system}.alejandra;
   };
-}
+}

machines/congenital-optimist/configuration.nix

@@ -6,8 +6,7 @@
   ...
 }: {
   imports = [
-    ./hardware-co.nix
+    ./hardware-configuration.nix
-    ./disk-ram-co.nix
     ./network-congenital-optimist.nix
 
     # Security modules
@@ -19,6 +18,9 @@
     # Services
     ../../modules/services/nfs-client.nix
 
+    # Hardware modules
+    ../../modules/hardware/amd-workstation.nix
+
     # Desktop environments
     ../../modules/desktop/common.nix
     ../../modules/desktop/gnome.nix

modules/hardware/amd-workstation.nix

@@ -1,7 +1,6 @@
 {
   config,
   pkgs,
-  lib,
   ...
 }: {
   # AMD GPU configuration
@@ -17,8 +16,12 @@
     powerOnBoot = true;
   };
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  # ZRAM swap configuration
-  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  zramSwap = {
+    enable = true;
+    algorithm = "zstd";
+  };
+
   # Audio system (PipeWire)
   services.pipewire = {
     enable = true;