diff --git a/hosts/FredOS-Mediaserver.nix b/hosts/FredOS-Mediaserver.nix
index 82e6f75..ed2cba0 100644
--- a/hosts/FredOS-Mediaserver.nix
+++ b/hosts/FredOS-Mediaserver.nix
@@ -34,7 +34,7 @@
     networking.useDHCP = lib.mkDefault true;
 
     # Open firewall for SSH
-    networking.firewall.allowedTCPPorts = [ 22 ];
+    networking.firewall.allowedTCPPorts = [ 22 11434 ];
     services.openssh = {
       enable = true;
       settings = {
diff --git a/services/ollama.nix b/services/ollama.nix
index 1f322b4..e946ac8 100644
--- a/services/ollama.nix
+++ b/services/ollama.nix
@@ -3,7 +3,14 @@
     config = lib.mkIf (config.networking.hostName == "FredOS-Mediaserver") {
 
         services.ollama.enable = true;
-        services.ollama.acceleration = "cuda";
+        # nixpkgs ollama-cuda builds against CUDA 12.8, which requires driver ≥570.
+        # The Quadro M2000's legacy_535 driver only supports up to CUDA 12.2,
+        # so we override cudaPackages to build against 12.2 instead.
+        services.ollama.package = pkgs.ollama.override {
+          acceleration = "cuda";
+          cudaPackages = pkgs.cudaPackages_12_2;
+          cudaArches = [ "sm_52" ]; # Maxwell GM206 compute capability
+        };
 
         services.open-webui.enable = true;
         services.open-webui.port = 8888;