diff --git a/flake.lock b/flake.lock
index cf47d56..b1f06f6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1759337100,
-        "narHash": "sha256-CcT3QvZ74NGfM+lSOILcCEeU+SnqXRvl1XCRHenZ0Us=",
+        "lastModified": 1760462439,
+        "narHash": "sha256-bks3rTsKGlqehk4l7rViIg2lBnUsY6we22O+ecRZB/c=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "004753ae6b04c4b18aa07192c1106800aaacf6c3",
+        "rev": "990e5ce6791ff1f497a61280a82eb66e3789e0e9",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1759036355,
-        "narHash": "sha256-0m27AKv6ka+q270dw48KflE0LwQYrO7Fm4/2//KCVWg=",
+        "lastModified": 1760284886,
+        "narHash": "sha256-TK9Kr0BYBQ/1P5kAsnNQhmWWKgmZXwUQr4ZMjCzWf2c=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e9f00bd893984bc8ce46c895c3bf7cac95331127",
+        "rev": "cf3f5c4def3c7b5f1fc012b3d839575dbe552d43",
         "type": "github"
       },
       "original": {
diff --git a/hosts/default/configuration.nix b/hosts/default/configuration.nix
index 2f9bb81..4328e00 100644
--- a/hosts/default/configuration.nix
+++ b/hosts/default/configuration.nix
@@ -237,6 +237,7 @@ in
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     freerdp # connect to KDE remotely w/RDP instead (KDE 6.1 servers)...seems it's still an xwindows client that's most tested. 🤮
+    openh264 # rather, this is the client library 
     dos2unix # convert file line endings
     dnsmasq # temporarily allowed for connection sharing
     ansible # automation/software-defined-configuration tool
@@ -383,11 +384,11 @@ in
   #services.rustdesk-server.openFirewall = false;
   # RX 6700 XT setup
   hardware.graphics.extraPackages = [
-    pkgs.amdvlk
+    #pkgs.amdvlk - replaced by RADV (enabled by default)
     pkgs.libcap
     pkgs.libva
     pkgs.mesa
-    pkgs.rocmPackages.clr.icd
+    #pkgs.rocmPackages.clr.icd ...no idea if this is causing the rocm-related build fail.
     #pkgs.pcre2
     #pkgs.libselinux
     #pkgs.rocmPackages.rocblas
@@ -397,17 +398,19 @@ in
     #pkgs.rocmPackages.rocm-device-libs
     #pkgs.rocmPackages.rpp
   ];
+  hardware.graphics.enable = true;
+  hardware.graphics.enable32Bit = true;
 
   # To enable Vulkan support for 32-bit applications, also add:
-  hardware.graphics.extraPackages32 = [
-    pkgs.driversi686Linux.amdvlk
-  ];
+  #hardware.graphics.extraPackages32 = [
+  #  pkgs.driversi686Linux.amdvlk - replaced by RADV..hopefully also 32-bit enabled by default.
+  #];
 
   hardware.amdgpu.opencl.enable = true;
 
   services.ollama = {
     enable = true;
-    acceleration = "rocm";
+    #acceleration = "rocm"; hipblaslt not compiling at present
     environmentVariables = {
       HCC_AMDGPU_TARGET = "gfx1031"; # used to be necessary, but doesn't seem to anymore
       OLLAMA_LOAD_TIMEOUT = "2m"; # Reduce load timeout (from 5 min)...if it's that big, forget it.