diff --git a/fedac/native/kernel/config-minimal b/fedac/native/kernel/config-minimal
index 1c1e13bf4b..5e84493fcb 100644
--- a/fedac/native/kernel/config-minimal
+++ b/fedac/native/kernel/config-minimal
@@ -3343,6 +3343,8 @@ CONFIG_USB_SERIAL=y
 # CONFIG_USB_SERIAL_GENERIC is not set
 # CONFIG_USB_SERIAL_SIMPLE is not set
 CONFIG_USB_SERIAL_FTDI_SIO=y
+CONFIG_USB_SERIAL_CP210X=y
+CONFIG_USB_SERIAL_CH341=y
 
 #
 # USB Miscellaneous drivers
diff --git a/fedac/native/pieces/notepat.mjs b/fedac/native/pieces/notepat.mjs
index 7894201218..144e75bffc 100644
--- a/fedac/native/pieces/notepat.mjs
+++ b/fedac/native/pieces/notepat.mjs
@@ -473,11 +473,12 @@ let bgTarget = dark ? [20, 20, 25] : [240, 238, 232];
 
 // DMX light mirrors bgColor via system.dmxSend (USB DMX PRO widget).
 // dmxMap turns rgb into universe slots (index 0 = channel 1) — swap this
-// per fixture. House light: Chauvet Wedge Tri, 3ch personality at d.490
-// (plain R G B on 490/491/492, no dimmer gate). One reused frame buffer.
-const dmxSlots = new Array(492).fill(0);
+// per fixture. House default: 3ch rgb at the TOP of the universe, d.510
+// (R 510, G 511, B 512 — a 3ch head can't start higher). Shared with
+// npscore.mjs and Menu Band's DMXOut. One reused full-universe buffer.
+const dmxSlots = new Array(512).fill(0);
 const dmxMap = (r, g, b) => {
-  dmxSlots[489] = r; dmxSlots[490] = g; dmxSlots[491] = b;
+  dmxSlots[509] = r; dmxSlots[510] = g; dmxSlots[511] = b;
   return dmxSlots;
 };
 let dmxLast = [-1, -1, -1];
diff --git a/fedac/native/pieces/npscore.mjs b/fedac/native/pieces/npscore.mjs
index 3adddad66c..7d74e479b5 100644
--- a/fedac/native/pieces/npscore.mjs
+++ b/fedac/native/pieces/npscore.mjs
@@ -47,10 +47,10 @@ const DRUM_LETTER = {
   ride: "b", crash: "c#", splash: "d#", cowbell: "f#", block: "g#", tambo: "a#",
 };
 
-// House fixture map — Chauvet Wedge Tri, 3ch at d.490 (see notepat.mjs).
-const dmxSlots = new Array(492).fill(0);
+// House fixture map — 3ch rgb at d.510, top of the universe (see notepat.mjs).
+const dmxSlots = new Array(512).fill(0);
 const dmxMap = (r, g, b) => {
-  dmxSlots[489] = r; dmxSlots[490] = g; dmxSlots[491] = b;
+  dmxSlots[509] = r; dmxSlots[510] = g; dmxSlots[511] = b;
   return dmxSlots;
 };