diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 0a03107aa66e..85802bc4459c 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/Marlin/src/HAL/HAL_LINUX/include/serial.h b/Marlin/src/HAL/HAL_LINUX/include/serial.h
index dd57d997497f..e21227640448 100644
--- a/Marlin/src/HAL/HAL_LINUX/include/serial.h
+++ b/Marlin/src/HAL/HAL_LINUX/include/serial.h
@@ -83,8 +83,9 @@ class HalSerial {
 
   HalSerial() { host_connected = true; }
 
-  void begin(int32_t baud) {
-  }
+  void begin(int32_t baud) { }
+
+  void end() { }
 
   int peek() {
     uint8_t value;
diff --git a/Marlin/src/HAL/HAL_LPC1768/MarlinSerial.h b/Marlin/src/HAL/HAL_LPC1768/MarlinSerial.h
index 4807356d739d..1f282f64a3f2 100644
--- a/Marlin/src/HAL/HAL_LPC1768/MarlinSerial.h
+++ b/Marlin/src/HAL/HAL_LPC1768/MarlinSerial.h
@@ -49,6 +49,8 @@ class MarlinSerial : public HardwareSerial<RX_BUFFER_SIZE, TX_BUFFER_SIZE> {
     {
     }
 
+  void end() { }
+
   #if ENABLED(EMERGENCY_PARSER)
     bool recv_callback(const char c) override {
       emergency_parser.update(emergency_state, c);
diff --git a/Marlin/src/HAL/shared/Marduino.h b/Marlin/src/HAL/shared/Marduino.h
index 2ba3974a4221..891646daab03 100644
--- a/Marlin/src/HAL/shared/Marduino.h
+++ b/Marlin/src/HAL/shared/Marduino.h
@@ -29,6 +29,8 @@
 #undef M_PI           // Redefined by all
 #undef _BV            // Redefined by some
 #undef sq             // Redefined by teensy3/wiring.h
+#undef SBI            // Redefined by arduino/const_functions.h
+#undef CBI            // Redefined by arduino/const_functions.h
 
 #include <Arduino.h>  // NOTE: If included earlier then this line is a NOOP
 
diff --git a/Marlin/src/gcode/config/M575.cpp b/Marlin/src/gcode/config/M575.cpp
new file mode 100644
index 000000000000..a90129f470ea
--- /dev/null
+++ b/Marlin/src/gcode/config/M575.cpp
@@ -0,0 +1,74 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(BAUD_RATE_GCODE)
+
+#include "../gcode.h"
+
+/**
+ * M575 - Change serial baud rate
+ *
+ *   P<index>    - Serial port index. Omit for all.
+ *   B<baudrate> - Baud rate (bits per second)
+ */
+void GcodeSuite::M575() {
+  const int32_t baud = parser.ulongval('B');
+  switch (baud) {
+    case 2400: case 9600: case 19200: case 38400: case 57600:
+    case 115200: case 250000: case 500000: case 1000000: {
+      const int8_t port = parser.intval('P', -99);
+      const bool set0 = (port == -99 || port == 0);
+      if (set0) {
+        SERIAL_ECHO_START();
+        SERIAL_ECHOLNPAIR(" Serial "
+          #if NUM_SERIAL > 1
+            , '0',
+          #else
+            "0"
+          #endif
+          " baud rate set to ", baud
+        );
+      }
+      #if NUM_SERIAL > 1
+        const bool set1 = (port == -99 || port == 1);
+        if (set1) {
+          SERIAL_ECHO_START();
+          SERIAL_ECHOLNPAIR(" Serial ", '1', " baud rate set to ", baud);
+        }
+      #endif
+
+      SERIAL_FLUSH();
+
+      if (set0) { MYSERIAL0.end(); MYSERIAL0.begin(baud); }
+
+      #if NUM_SERIAL > 1
+        if (set1) { MYSERIAL1.end(); MYSERIAL1.begin(baud); }
+      #endif
+
+    } break;
+    default: SERIAL_ECHO_MSG("?(B)aud rate is implausible.");
+  }
+}
+
+#endif // NUM_SERIAL > 0 && BAUD_RATE_GCODE
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index ec76671f1c1b..cbad59eac64a 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -669,6 +669,10 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 540: M540(); break;                                  // M540: Set abort on endstop hit for SD printing
       #endif
 
+      #if ENABLED(BAUD_RATE_GCODE)
+        case 575: M575(); break;                                  // M575: Set serial baudrate
+      #endif
+
       #if HAS_BED_PROBE
         case 851: M851(); break;                                  // M851: Set Z Probe Z Offset
       #endif
diff --git a/Marlin/src/gcode/gcode.h b/Marlin/src/gcode/gcode.h
index 93b91e3eec81..8de0f65a468a 100644
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -782,6 +782,10 @@ class GcodeSuite {
     static void M540();
   #endif
 
+  #if ENABLED(BAUD_RATE_GCODE)
+    static void M575();
+  #endif
+
   #if ENABLED(ADVANCED_PAUSE_FEATURE)
     static void M600();
     static void M603();
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index 7728d1c5b3a3..c79935ccbd6f 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -1738,3 +1738,7 @@
     #define INIT_SDCARD_ON_BOOT
   #endif
 #endif
+
+#if !NUM_SERIAL
+  #undef BAUD_RATE_GCODE
+#endif
diff --git a/buildroot/share/tests/LPC1768-tests b/buildroot/share/tests/LPC1768-tests
index bff465760bcb..26dcf8f70eb1 100755
--- a/buildroot/share/tests/LPC1768-tests
+++ b/buildroot/share/tests/LPC1768-tests
@@ -12,9 +12,7 @@ exec_test $1 $2 "Build Re-ARM Default Configuration"
 
 restore_configs
 opt_set MOTHERBOARD BOARD_RAMPS_14_RE_ARM_EFB
-opt_enable VIKI2 SDSUPPORT
-opt_enable SERIAL_PORT2
-opt_enable NEOPIXEL_LED
+opt_enable VIKI2 SDSUPPORT SERIAL_PORT2 NEOPIXEL_LED BAUD_RATE_GCODE
 opt_set NEOPIXEL_PIN P1_16
 exec_test $1 $2 "ReARM EFB VIKI2, SDSUPPORT, 2 Serial ports (USB CDC + UART0), NeoPixel"
 
diff --git a/buildroot/share/tests/LPC1769-tests b/buildroot/share/tests/LPC1769-tests
index ca8be167b3a1..831df54f4054 100755
--- a/buildroot/share/tests/LPC1769-tests
+++ b/buildroot/share/tests/LPC1769-tests
@@ -19,7 +19,7 @@ opt_enable VIKI2 SDSUPPORT ADAPTIVE_FAN_SLOWING NO_FAN_SLOWING_IN_PID_TUNING \
            FIX_MOUNTED_PROBE AUTO_BED_LEVELING_BILINEAR G29_RETRY_AND_RECOVER Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
-           Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \
+           Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE BAUD_RATE_GCODE \
            LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA
 opt_set GRID_MAX_POINTS_X 16
 exec_test $1 $2 "Smoothieboard Many Features"
@@ -31,7 +31,7 @@ opt_enable COREYX USE_XMAX_PLUG DAC_MOTOR_CURRENT_DEFAULT \
            AUTO_BED_LEVELING_UBL RESTORE_LEVELING_AFTER_G28 EEPROM_SETTINGS \
            FILAMENT_LCD_DISPLAY FILAMENT_WIDTH_SENSOR FAN_SOFT_PWM \
            SHOW_TEMP_ADC_VALUES HOME_Y_BEFORE_X EMERGENCY_PARSER FAN_KICKSTART_TIME \
-           SD_ABORT_ON_ENDSTOP_HIT ADVANCED_OK GCODE_MACROS \
+           SD_ABORT_ON_ENDSTOP_HIT ADVANCED_OK GCODE_MACROS BAUD_RATE_GCODE \
            VOLUMETRIC_DEFAULT_ON NO_WORKSPACE_OFFSETS ACTION_ON_KILL \
            EXTRA_FAN_SPEED FWRETRACT MENU_ADDAUTOSTART SDCARD_SORT_ALPHA
 opt_set FAN_MIN_PWM 50
@@ -42,7 +42,7 @@ exec_test $1 $2 "Azteeg X5 MINI WIFI Many less common options"
 restore_configs
 use_example_configs delta/generic
 opt_set MOTHERBOARD BOARD_COHESION3D_REMIX
-opt_enable AUTO_BED_LEVELING_BILINEAR EEPROM_SETTINGS EEPROM_CHITCHAT
+opt_enable AUTO_BED_LEVELING_BILINEAR EEPROM_SETTINGS EEPROM_CHITCHAT BAUD_RATE_GCODE
 opt_disable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
 opt_set X_DRIVER_TYPE TMC2130
 opt_set Y_DRIVER_TYPE TMC2130
diff --git a/buildroot/share/tests/STM32F1-tests b/buildroot/share/tests/STM32F1-tests
index 4b6c77ec5c01..30cb4e4fce43 100755
--- a/buildroot/share/tests/STM32F1-tests
+++ b/buildroot/share/tests/STM32F1-tests
@@ -12,7 +12,7 @@ opt_set EXTRUDERS 2
 opt_set SERIAL_PORT -1
 opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT \
            PAREN_COMMENTS GCODE_MOTION_MODES SINGLENOZZLE TOOLCHANGE_FILAMENT_SWAP TOOLCHANGE_PARK \
-           GCODE_MACROS NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE
+           BAUD_RATE_GCODE GCODE_MACROS NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE
 exec_test $1 $2 "STM32F1R EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT PAREN_COMMENTS GCODE_MOTION_MODES"
 
 # cleanup
diff --git a/buildroot/share/tests/alfawise_U20-tests b/buildroot/share/tests/alfawise_U20-tests
index d224a8b99b8c..85b22c1284dd 100755
--- a/buildroot/share/tests/alfawise_U20-tests
+++ b/buildroot/share/tests/alfawise_U20-tests
@@ -9,6 +9,7 @@ set -e
 use_example_configs Alfawise/U20
 opt_set MOTHERBOARD BOARD_LONGER3D_LK
 opt_set SERIAL_PORT 1
+opt_enable BAUD_RATE_GCODE
 exec_test $1 $2 "Full-featured U20 config"
 
 # cleanup
diff --git a/buildroot/share/tests/black_stm32f407ve-tests b/buildroot/share/tests/black_stm32f407ve-tests
index 62ef6dc684bd..c35b279b0f58 100755
--- a/buildroot/share/tests/black_stm32f407ve-tests
+++ b/buildroot/share/tests/black_stm32f407ve-tests
@@ -7,6 +7,7 @@
 set -e
 
 use_example_configs STM32/Black_STM32F407VET6
+opt_enable BAUD_RATE_GCODE
 exec_test $1 $2 "Full-featured Sample Black STM32F407VET6 config"
 
 # cleanup
diff --git a/buildroot/share/tests/esp32-tests b/buildroot/share/tests/esp32-tests
index 6bffdf50f866..42466fddf6e6 100755
--- a/buildroot/share/tests/esp32-tests
+++ b/buildroot/share/tests/esp32-tests
@@ -8,7 +8,7 @@ set -e
 
 restore_configs
 opt_set MOTHERBOARD BOARD_ESP32
-opt_enable WIFISUPPORT GCODE_MACROS
+opt_enable WIFISUPPORT GCODE_MACROS BAUD_RATE_GCODE
 opt_set "WIFI_SSID \"ssid\""
 opt_set "WIFI_PWD \"password\""
 opt_set TX_BUFFER_SIZE 64
diff --git a/buildroot/share/tests/linux_native-tests b/buildroot/share/tests/linux_native-tests
index cc45f5c29be4..1ea3fd5bb68c 100755
--- a/buildroot/share/tests/linux_native-tests
+++ b/buildroot/share/tests/linux_native-tests
@@ -9,7 +9,7 @@ set -e
 restore_configs
 opt_set MOTHERBOARD BOARD_LINUX_RAMPS
 opt_set TEMP_SENSOR_BED 1
-opt_enable PIDTEMPBED EEPROM_SETTINGS
+opt_enable PIDTEMPBED EEPROM_SETTINGS BAUD_RATE_GCODE
 exec_test $1 $2 "Linux with EEPROM"
 
 # cleanup
diff --git a/buildroot/share/tests/megaatmega2560-tests b/buildroot/share/tests/megaatmega2560-tests
index fa9e22b0989c..dd69f1c49b8c 100755
--- a/buildroot/share/tests/megaatmega2560-tests
+++ b/buildroot/share/tests/megaatmega2560-tests
@@ -32,7 +32,7 @@ opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER LCD_PROGRESS_BAR LCD_PROGRESS_BAR_TE
            NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE FILAMENT_RUNOUT_DISTANCE_MM FILAMENT_RUNOUT_SENSOR \
            AUTO_BED_LEVELING_LINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            SKEW_CORRECTION SKEW_CORRECTION_FOR_Z SKEW_CORRECTION_GCODE \
-           BACKLASH_COMPENSATION BACKLASH_GCODE \
+           BACKLASH_COMPENSATION BACKLASH_GCODE BAUD_RATE_GCODE \
            FWRETRACT ARC_P_CIRCLES CNC_WORKSPACE_PLANES CNC_COORDINATE_SYSTEMS \
            PSU_CONTROL AUTO_POWER_CONTROL POWER_LOSS_RECOVERY POWER_LOSS_PIN POWER_LOSS_STATE \
            SLOW_PWM_HEATERS THERMAL_PROTECTION_CHAMBER \
diff --git a/buildroot/share/tests/teensy35-tests b/buildroot/share/tests/teensy35-tests
index 4b992113ae46..9661666c4a1a 100755
--- a/buildroot/share/tests/teensy35-tests
+++ b/buildroot/share/tests/teensy35-tests
@@ -22,7 +22,7 @@ opt_set TEMP_SENSOR_0 1
 opt_set TEMP_SENSOR_1 5
 opt_set TEMP_SENSOR_BED 1
 opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER LCD_INFO_MENU SDSUPPORT SDCARD_SORT_ALPHA \
-           FILAMENT_WIDTH_SENSOR FILAMENT_LCD_DISPLAY CALIBRATION_GCODE \
+           FILAMENT_WIDTH_SENSOR FILAMENT_LCD_DISPLAY CALIBRATION_GCODE BAUD_RATE_GCODE \
            FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT M100_FREE_MEMORY_WATCHER \
diff --git a/config/default/Configuration_adv.h b/config/default/Configuration_adv.h
index acf3f7fa7d35..fd9eb22e1e83 100644
--- a/config/default/Configuration_adv.h
+++ b/config/default/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h
index 3ef33ac9a32c..d4401ca93c90 100644
--- a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h
+++ b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/AlephObjects/TAZ4/Configuration_adv.h b/config/examples/AlephObjects/TAZ4/Configuration_adv.h
index 3909633f0915..6e9f10badf6f 100644
--- a/config/examples/AlephObjects/TAZ4/Configuration_adv.h
+++ b/config/examples/AlephObjects/TAZ4/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Alfawise/U20/Configuration_adv.h b/config/examples/Alfawise/U20/Configuration_adv.h
index 222ca5e89d17..dada63112bf1 100644
--- a/config/examples/Alfawise/U20/Configuration_adv.h
+++ b/config/examples/Alfawise/U20/Configuration_adv.h
@@ -1367,6 +1367,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/AliExpress/UM2pExt/Configuration_adv.h b/config/examples/AliExpress/UM2pExt/Configuration_adv.h
index bfc513652408..dbd0f914e296 100644
--- a/config/examples/AliExpress/UM2pExt/Configuration_adv.h
+++ b/config/examples/AliExpress/UM2pExt/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/A2/Configuration_adv.h b/config/examples/Anet/A2/Configuration_adv.h
index 06ae9cdb7cf3..0e8f2b8ae0da 100644
--- a/config/examples/Anet/A2/Configuration_adv.h
+++ b/config/examples/Anet/A2/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/A2plus/Configuration_adv.h b/config/examples/Anet/A2plus/Configuration_adv.h
index 06ae9cdb7cf3..0e8f2b8ae0da 100644
--- a/config/examples/Anet/A2plus/Configuration_adv.h
+++ b/config/examples/Anet/A2plus/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/A6/Configuration_adv.h b/config/examples/Anet/A6/Configuration_adv.h
index ae124115c92e..4bad31ed28d7 100644
--- a/config/examples/Anet/A6/Configuration_adv.h
+++ b/config/examples/Anet/A6/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/A8/Configuration_adv.h b/config/examples/Anet/A8/Configuration_adv.h
index b76e99440c95..45be53ef8ad4 100644
--- a/config/examples/Anet/A8/Configuration_adv.h
+++ b/config/examples/Anet/A8/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/A8plus/Configuration_adv.h b/config/examples/Anet/A8plus/Configuration_adv.h
index 0df718fe8cc7..d54d1021b4d7 100644
--- a/config/examples/Anet/A8plus/Configuration_adv.h
+++ b/config/examples/Anet/A8plus/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Anet/E16/Configuration_adv.h b/config/examples/Anet/E16/Configuration_adv.h
index 1914c1b3d36a..2af2e2986299 100644
--- a/config/examples/Anet/E16/Configuration_adv.h
+++ b/config/examples/Anet/E16/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/AnyCubic/i3/Configuration_adv.h b/config/examples/AnyCubic/i3/Configuration_adv.h
index ccb7838e05a9..af4943ac4884 100644
--- a/config/examples/AnyCubic/i3/Configuration_adv.h
+++ b/config/examples/AnyCubic/i3/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/ArmEd/Configuration_adv.h b/config/examples/ArmEd/Configuration_adv.h
index da7e38ec5f94..f93188c193b4 100644
--- a/config/examples/ArmEd/Configuration_adv.h
+++ b/config/examples/ArmEd/Configuration_adv.h
@@ -1368,6 +1368,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h b/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
index 8ca487e1065c..76d9c18c841e 100644
--- a/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
+++ b/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/BIBO/TouchX/default/Configuration_adv.h b/config/examples/BIBO/TouchX/default/Configuration_adv.h
index 17ac8d3b775c..4e87bf719622 100644
--- a/config/examples/BIBO/TouchX/default/Configuration_adv.h
+++ b/config/examples/BIBO/TouchX/default/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/BQ/Hephestos/Configuration_adv.h b/config/examples/BQ/Hephestos/Configuration_adv.h
index 25a59be6bf0e..35ce997d1f8d 100644
--- a/config/examples/BQ/Hephestos/Configuration_adv.h
+++ b/config/examples/BQ/Hephestos/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/BQ/Hephestos_2/Configuration_adv.h b/config/examples/BQ/Hephestos_2/Configuration_adv.h
index 90e657c77bb6..8c56eaad9b20 100644
--- a/config/examples/BQ/Hephestos_2/Configuration_adv.h
+++ b/config/examples/BQ/Hephestos_2/Configuration_adv.h
@@ -1372,6 +1372,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/BQ/WITBOX/Configuration_adv.h b/config/examples/BQ/WITBOX/Configuration_adv.h
index 25a59be6bf0e..35ce997d1f8d 100644
--- a/config/examples/BQ/WITBOX/Configuration_adv.h
+++ b/config/examples/BQ/WITBOX/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Cartesio/Configuration_adv.h b/config/examples/Cartesio/Configuration_adv.h
index 88b439e7d5f6..776c44ddf182 100644
--- a/config/examples/Cartesio/Configuration_adv.h
+++ b/config/examples/Cartesio/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-10/Configuration_adv.h b/config/examples/Creality/CR-10/Configuration_adv.h
index 67901ed205a3..52dc3ebbefdf 100644
--- a/config/examples/Creality/CR-10/Configuration_adv.h
+++ b/config/examples/Creality/CR-10/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-10S/Configuration_adv.h b/config/examples/Creality/CR-10S/Configuration_adv.h
index 10a5dedf3f9b..194b48447110 100644
--- a/config/examples/Creality/CR-10S/Configuration_adv.h
+++ b/config/examples/Creality/CR-10S/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-10_5S/Configuration_adv.h b/config/examples/Creality/CR-10_5S/Configuration_adv.h
index 700704aafc10..9a609ccdef60 100644
--- a/config/examples/Creality/CR-10_5S/Configuration_adv.h
+++ b/config/examples/Creality/CR-10_5S/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-10mini/Configuration_adv.h b/config/examples/Creality/CR-10mini/Configuration_adv.h
index 7f9c2d73f942..f6bfabd7827f 100644
--- a/config/examples/Creality/CR-10mini/Configuration_adv.h
+++ b/config/examples/Creality/CR-10mini/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-20 Pro/Configuration_adv.h b/config/examples/Creality/CR-20 Pro/Configuration_adv.h
index 1c2d8a780e82..6b7975a8b3b1 100644
--- a/config/examples/Creality/CR-20 Pro/Configuration_adv.h	
+++ b/config/examples/Creality/CR-20 Pro/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-20/Configuration_adv.h b/config/examples/Creality/CR-20/Configuration_adv.h
index 5773dbc91f92..44534ce480ef 100644
--- a/config/examples/Creality/CR-20/Configuration_adv.h
+++ b/config/examples/Creality/CR-20/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/CR-8/Configuration_adv.h b/config/examples/Creality/CR-8/Configuration_adv.h
index 2b32402ea011..01b115706644 100644
--- a/config/examples/Creality/CR-8/Configuration_adv.h
+++ b/config/examples/Creality/CR-8/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/Ender-2/Configuration_adv.h b/config/examples/Creality/Ender-2/Configuration_adv.h
index 92d2fcc7beff..71c102a87e61 100644
--- a/config/examples/Creality/Ender-2/Configuration_adv.h
+++ b/config/examples/Creality/Ender-2/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/Ender-3/Configuration_adv.h b/config/examples/Creality/Ender-3/Configuration_adv.h
index 1c2d8a780e82..6b7975a8b3b1 100644
--- a/config/examples/Creality/Ender-3/Configuration_adv.h
+++ b/config/examples/Creality/Ender-3/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/Ender-4/Configuration_adv.h b/config/examples/Creality/Ender-4/Configuration_adv.h
index 751c85c9867d..3c744f568d10 100644
--- a/config/examples/Creality/Ender-4/Configuration_adv.h
+++ b/config/examples/Creality/Ender-4/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Creality/Ender-5/Configuration_adv.h b/config/examples/Creality/Ender-5/Configuration_adv.h
index 32c5c20d4ed4..a2ba05bd30f5 100644
--- a/config/examples/Creality/Ender-5/Configuration_adv.h
+++ b/config/examples/Creality/Ender-5/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Dagoma/Disco Ultimate/Configuration_adv.h b/config/examples/Dagoma/Disco Ultimate/Configuration_adv.h
index 5830f58995a0..b3b087d5bff6 100644
--- a/config/examples/Dagoma/Disco Ultimate/Configuration_adv.h	
+++ b/config/examples/Dagoma/Disco Ultimate/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration_adv.h b/config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration_adv.h
index fc35c2b4ee92..40a71164c196 100755
--- a/config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration_adv.h	
+++ b/config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Einstart-S/Configuration_adv.h b/config/examples/Einstart-S/Configuration_adv.h
index 602c0e09d576..1de77a9d89d4 100644
--- a/config/examples/Einstart-S/Configuration_adv.h
+++ b/config/examples/Einstart-S/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/AIO_II/Configuration_adv.h b/config/examples/FYSETC/AIO_II/Configuration_adv.h
index dcc879ab065b..6fb70f4ef37a 100644
--- a/config/examples/FYSETC/AIO_II/Configuration_adv.h
+++ b/config/examples/FYSETC/AIO_II/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/Cheetah 1.2/BLTouch/Configuration_adv.h b/config/examples/FYSETC/Cheetah 1.2/BLTouch/Configuration_adv.h
index 99a9c517a71a..7591e62c7161 100644
--- a/config/examples/FYSETC/Cheetah 1.2/BLTouch/Configuration_adv.h	
+++ b/config/examples/FYSETC/Cheetah 1.2/BLTouch/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/Cheetah 1.2/base/Configuration_adv.h b/config/examples/FYSETC/Cheetah 1.2/base/Configuration_adv.h
index 99a9c517a71a..7591e62c7161 100644
--- a/config/examples/FYSETC/Cheetah 1.2/base/Configuration_adv.h	
+++ b/config/examples/FYSETC/Cheetah 1.2/base/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/Cheetah/BLTouch/Configuration_adv.h b/config/examples/FYSETC/Cheetah/BLTouch/Configuration_adv.h
index 2fedb22ba984..05555023d798 100644
--- a/config/examples/FYSETC/Cheetah/BLTouch/Configuration_adv.h
+++ b/config/examples/FYSETC/Cheetah/BLTouch/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/Cheetah/base/Configuration_adv.h b/config/examples/FYSETC/Cheetah/base/Configuration_adv.h
index 2fedb22ba984..05555023d798 100644
--- a/config/examples/FYSETC/Cheetah/base/Configuration_adv.h
+++ b/config/examples/FYSETC/Cheetah/base/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FYSETC/F6_13/Configuration_adv.h b/config/examples/FYSETC/F6_13/Configuration_adv.h
index 9dec7c12c008..e52a0b3fe916 100644
--- a/config/examples/FYSETC/F6_13/Configuration_adv.h
+++ b/config/examples/FYSETC/F6_13/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Felix/Configuration_adv.h b/config/examples/Felix/Configuration_adv.h
index 9e45549dba79..b9d8a10fda4b 100644
--- a/config/examples/Felix/Configuration_adv.h
+++ b/config/examples/Felix/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FlashForge/CreatorPro/Configuration_adv.h b/config/examples/FlashForge/CreatorPro/Configuration_adv.h
index c2c1cb6dc2c4..7b374b7218be 100644
--- a/config/examples/FlashForge/CreatorPro/Configuration_adv.h
+++ b/config/examples/FlashForge/CreatorPro/Configuration_adv.h
@@ -1363,6 +1363,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/FolgerTech/i3-2020/Configuration_adv.h b/config/examples/FolgerTech/i3-2020/Configuration_adv.h
index 2db158e21f6b..9a92b5491042 100644
--- a/config/examples/FolgerTech/i3-2020/Configuration_adv.h
+++ b/config/examples/FolgerTech/i3-2020/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Formbot/Raptor/Configuration_adv.h b/config/examples/Formbot/Raptor/Configuration_adv.h
index e5c2e18b5dd2..bb450ea69cd1 100644
--- a/config/examples/Formbot/Raptor/Configuration_adv.h
+++ b/config/examples/Formbot/Raptor/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Formbot/T_Rex_2+/Configuration_adv.h b/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
index 4bbc3838c3e5..20d911387fa5 100644
--- a/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
+++ b/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
@@ -1368,6 +1368,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Formbot/T_Rex_3/Configuration_adv.h b/config/examples/Formbot/T_Rex_3/Configuration_adv.h
index 1e585274537c..40ae30e37df0 100644
--- a/config/examples/Formbot/T_Rex_3/Configuration_adv.h
+++ b/config/examples/Formbot/T_Rex_3/Configuration_adv.h
@@ -1368,6 +1368,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/A10/Configuration_adv.h b/config/examples/Geeetech/A10/Configuration_adv.h
index 5b53500f4969..b382f4fdd40b 100644
--- a/config/examples/Geeetech/A10/Configuration_adv.h
+++ b/config/examples/Geeetech/A10/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/A10M/Configuration_adv.h b/config/examples/Geeetech/A10M/Configuration_adv.h
index afe3813b33c7..9d7a538d7e82 100644
--- a/config/examples/Geeetech/A10M/Configuration_adv.h
+++ b/config/examples/Geeetech/A10M/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/A20M/Configuration_adv.h b/config/examples/Geeetech/A20M/Configuration_adv.h
index 5c6409025cca..2e9d6dcffa76 100644
--- a/config/examples/Geeetech/A20M/Configuration_adv.h
+++ b/config/examples/Geeetech/A20M/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/MeCreator2/Configuration_adv.h b/config/examples/Geeetech/MeCreator2/Configuration_adv.h
index d13aa552ba61..f5743b8033be 100644
--- a/config/examples/Geeetech/MeCreator2/Configuration_adv.h
+++ b/config/examples/Geeetech/MeCreator2/Configuration_adv.h
@@ -1363,6 +1363,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h b/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h
index 5b53500f4969..b382f4fdd40b 100644
--- a/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
+++ b/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h b/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h
index 5b53500f4969..b382f4fdd40b 100644
--- a/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
+++ b/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Infitary/i3-M508/Configuration_adv.h b/config/examples/Infitary/i3-M508/Configuration_adv.h
index 84672d36bf2c..f7fd7c1faf66 100644
--- a/config/examples/Infitary/i3-M508/Configuration_adv.h
+++ b/config/examples/Infitary/i3-M508/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/JGAurora/A1/Configuration_adv.h b/config/examples/JGAurora/A1/Configuration_adv.h
index 0be1cc1619b4..7ebc1de6e7a8 100644
--- a/config/examples/JGAurora/A1/Configuration_adv.h
+++ b/config/examples/JGAurora/A1/Configuration_adv.h
@@ -1369,6 +1369,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/JGAurora/A5/Configuration_adv.h b/config/examples/JGAurora/A5/Configuration_adv.h
index 94a83c82d31a..1fdbc93eac49 100644
--- a/config/examples/JGAurora/A5/Configuration_adv.h
+++ b/config/examples/JGAurora/A5/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/JGAurora/A5S/Configuration_adv.h b/config/examples/JGAurora/A5S/Configuration_adv.h
index b9f3802c220d..c74ec07f7e7c 100644
--- a/config/examples/JGAurora/A5S/Configuration_adv.h
+++ b/config/examples/JGAurora/A5S/Configuration_adv.h
@@ -1369,6 +1369,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/MakerParts/Configuration_adv.h b/config/examples/MakerParts/Configuration_adv.h
index 2df7dba58fce..ad50ab972596 100644
--- a/config/examples/MakerParts/Configuration_adv.h
+++ b/config/examples/MakerParts/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   #define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Malyan/M150/Configuration_adv.h b/config/examples/Malyan/M150/Configuration_adv.h
index 6822af6268c2..474c925e3f7c 100644
--- a/config/examples/Malyan/M150/Configuration_adv.h
+++ b/config/examples/Malyan/M150/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Malyan/M200/Configuration_adv.h b/config/examples/Malyan/M200/Configuration_adv.h
index a176e9ef0323..fb7e0373b6af 100644
--- a/config/examples/Malyan/M200/Configuration_adv.h
+++ b/config/examples/Malyan/M200/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Micromake/C1/enhanced/Configuration_adv.h b/config/examples/Micromake/C1/enhanced/Configuration_adv.h
index 5be6be4f9576..7550c313f669 100644
--- a/config/examples/Micromake/C1/enhanced/Configuration_adv.h
+++ b/config/examples/Micromake/C1/enhanced/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Mks/Robin/Configuration_adv.h b/config/examples/Mks/Robin/Configuration_adv.h
index ec8aee780690..6da013a3a924 100644
--- a/config/examples/Mks/Robin/Configuration_adv.h
+++ b/config/examples/Mks/Robin/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Mks/Sbase/Configuration_adv.h b/config/examples/Mks/Sbase/Configuration_adv.h
index 8072550350ef..202c0f625242 100644
--- a/config/examples/Mks/Sbase/Configuration_adv.h
+++ b/config/examples/Mks/Sbase/Configuration_adv.h
@@ -1365,6 +1365,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/RapideLite/RL200/Configuration_adv.h b/config/examples/RapideLite/RL200/Configuration_adv.h
index 5d87137e31eb..671fed15d32a 100644
--- a/config/examples/RapideLite/RL200/Configuration_adv.h
+++ b/config/examples/RapideLite/RL200/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/RigidBot/Configuration_adv.h b/config/examples/RigidBot/Configuration_adv.h
index d4d0c30f2880..ab79d7687db1 100644
--- a/config/examples/RigidBot/Configuration_adv.h
+++ b/config/examples/RigidBot/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/SCARA/Configuration_adv.h b/config/examples/SCARA/Configuration_adv.h
index 663173352913..e27427304af2 100644
--- a/config/examples/SCARA/Configuration_adv.h
+++ b/config/examples/SCARA/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/STM32/Black_STM32F407VET6/Configuration_adv.h b/config/examples/STM32/Black_STM32F407VET6/Configuration_adv.h
index 1bf1a93da942..6e708500d924 100644
--- a/config/examples/STM32/Black_STM32F407VET6/Configuration_adv.h
+++ b/config/examples/STM32/Black_STM32F407VET6/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Sanguinololu/Configuration_adv.h b/config/examples/Sanguinololu/Configuration_adv.h
index a5c34524295a..1b24998f0744 100644
--- a/config/examples/Sanguinololu/Configuration_adv.h
+++ b/config/examples/Sanguinololu/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tevo/Michelangelo/Configuration_adv.h b/config/examples/Tevo/Michelangelo/Configuration_adv.h
index c6d0e282245c..0e4db5b61d6e 100644
--- a/config/examples/Tevo/Michelangelo/Configuration_adv.h
+++ b/config/examples/Tevo/Michelangelo/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tevo/Tarantula Pro/Configuration_adv.h b/config/examples/Tevo/Tarantula Pro/Configuration_adv.h
index e4d7ab805d38..c4ed054fd2ae 100755
--- a/config/examples/Tevo/Tarantula Pro/Configuration_adv.h	
+++ b/config/examples/Tevo/Tarantula Pro/Configuration_adv.h	
@@ -1360,6 +1360,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tevo/Tornado/V1 (MKS Base)/Configuration_adv.h b/config/examples/Tevo/Tornado/V1 (MKS Base)/Configuration_adv.h
index 6f0eb113a39e..4f40900f75c8 100755
--- a/config/examples/Tevo/Tornado/V1 (MKS Base)/Configuration_adv.h	
+++ b/config/examples/Tevo/Tornado/V1 (MKS Base)/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tevo/Tornado/V2 (MKS GEN-L)/Configuration_adv.h b/config/examples/Tevo/Tornado/V2 (MKS GEN-L)/Configuration_adv.h
index 6f0eb113a39e..4f40900f75c8 100755
--- a/config/examples/Tevo/Tornado/V2 (MKS GEN-L)/Configuration_adv.h	
+++ b/config/examples/Tevo/Tornado/V2 (MKS GEN-L)/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/TheBorg/Configuration_adv.h b/config/examples/TheBorg/Configuration_adv.h
index 3cd097da62c2..5fbcc56a6081 100644
--- a/config/examples/TheBorg/Configuration_adv.h
+++ b/config/examples/TheBorg/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/TinyBoy2/Configuration_adv.h b/config/examples/TinyBoy2/Configuration_adv.h
index c02460f3fcb6..d9c5dc5fefb6 100644
--- a/config/examples/TinyBoy2/Configuration_adv.h
+++ b/config/examples/TinyBoy2/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tronxy/X3A/Configuration_adv.h b/config/examples/Tronxy/X3A/Configuration_adv.h
index 191f8d274a1b..8c5f8f9e94ad 100644
--- a/config/examples/Tronxy/X3A/Configuration_adv.h
+++ b/config/examples/Tronxy/X3A/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Tronxy/X5S-2E/Configuration_adv.h b/config/examples/Tronxy/X5S-2E/Configuration_adv.h
index 3d55d7c5bcb2..44a94dc8aba1 100644
--- a/config/examples/Tronxy/X5S-2E/Configuration_adv.h
+++ b/config/examples/Tronxy/X5S-2E/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/UltiMachine/Archim1/Configuration_adv.h b/config/examples/UltiMachine/Archim1/Configuration_adv.h
index 45d441789ddf..330556c50945 100644
--- a/config/examples/UltiMachine/Archim1/Configuration_adv.h
+++ b/config/examples/UltiMachine/Archim1/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/UltiMachine/Archim2/Configuration_adv.h b/config/examples/UltiMachine/Archim2/Configuration_adv.h
index d48af69ccce6..d41d0d31bff1 100644
--- a/config/examples/UltiMachine/Archim2/Configuration_adv.h
+++ b/config/examples/UltiMachine/Archim2/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/VORONDesign/Configuration_adv.h b/config/examples/VORONDesign/Configuration_adv.h
index 47a8a06aceda..9c556d5b89c2 100644
--- a/config/examples/VORONDesign/Configuration_adv.h
+++ b/config/examples/VORONDesign/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Velleman/K8200/Configuration_adv.h b/config/examples/Velleman/K8200/Configuration_adv.h
index a99d732da68d..2778edc69e87 100644
--- a/config/examples/Velleman/K8200/Configuration_adv.h
+++ b/config/examples/Velleman/K8200/Configuration_adv.h
@@ -1377,6 +1377,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Velleman/K8400/Configuration_adv.h b/config/examples/Velleman/K8400/Configuration_adv.h
index 6e3a2aeeb7ef..0ce3cb95cbd0 100644
--- a/config/examples/Velleman/K8400/Configuration_adv.h
+++ b/config/examples/Velleman/K8400/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/WASP/PowerWASP/Configuration_adv.h b/config/examples/WASP/PowerWASP/Configuration_adv.h
index b19ca6cab48c..0ee9b8409436 100644
--- a/config/examples/WASP/PowerWASP/Configuration_adv.h
+++ b/config/examples/WASP/PowerWASP/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Wanhao/Duplicator 6/Configuration_adv.h b/config/examples/Wanhao/Duplicator 6/Configuration_adv.h
index bd94e4a1eca4..27fe9b1c44e0 100644
--- a/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
+++ b/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/Wanhao/Duplicator i3 Mini/Configuration_adv.h b/config/examples/Wanhao/Duplicator i3 Mini/Configuration_adv.h
index 23ebf8c55bb8..bb93b74502b4 100644
--- a/config/examples/Wanhao/Duplicator i3 Mini/Configuration_adv.h	
+++ b/config/examples/Wanhao/Duplicator i3 Mini/Configuration_adv.h	
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/Anycubic/Kossel/Configuration_adv.h b/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
index 398106aa0b1c..2575eb13d615 100644
--- a/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
+++ b/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h b/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
index 037751bba9ce..7bed181921c2 100644
--- a/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
+++ b/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/FLSUN/kossel/Configuration_adv.h b/config/examples/delta/FLSUN/kossel/Configuration_adv.h
index 037751bba9ce..7bed181921c2 100644
--- a/config/examples/delta/FLSUN/kossel/Configuration_adv.h
+++ b/config/examples/delta/FLSUN/kossel/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h b/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
index f66044588065..550382ed9310 100644
--- a/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
+++ b/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h b/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h
index 33793a06f7a7..bd229b37e46e 100644
--- a/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
+++ b/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/MKS/SBASE/Configuration_adv.h b/config/examples/delta/MKS/SBASE/Configuration_adv.h
index a90f65e68324..2d9939b1fe2e 100644
--- a/config/examples/delta/MKS/SBASE/Configuration_adv.h
+++ b/config/examples/delta/MKS/SBASE/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/Tevo Little Monster/Configuration_adv.h b/config/examples/delta/Tevo Little Monster/Configuration_adv.h
index f68568eef551..7d02ea70c19c 100644
--- a/config/examples/delta/Tevo Little Monster/Configuration_adv.h	
+++ b/config/examples/delta/Tevo Little Monster/Configuration_adv.h	
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/generic/Configuration_adv.h b/config/examples/delta/generic/Configuration_adv.h
index f66044588065..550382ed9310 100644
--- a/config/examples/delta/generic/Configuration_adv.h
+++ b/config/examples/delta/generic/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/kossel_mini/Configuration_adv.h b/config/examples/delta/kossel_mini/Configuration_adv.h
index f66044588065..550382ed9310 100644
--- a/config/examples/delta/kossel_mini/Configuration_adv.h
+++ b/config/examples/delta/kossel_mini/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/delta/kossel_xl/Configuration_adv.h b/config/examples/delta/kossel_xl/Configuration_adv.h
index 476b8d6bd4a4..904352c1eb05 100644
--- a/config/examples/delta/kossel_xl/Configuration_adv.h
+++ b/config/examples/delta/kossel_xl/Configuration_adv.h
@@ -1366,6 +1366,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/gCreate/gMax1.5+/Configuration_adv.h b/config/examples/gCreate/gMax1.5+/Configuration_adv.h
index 74be1aefdc75..63935df84a8d 100644
--- a/config/examples/gCreate/gMax1.5+/Configuration_adv.h
+++ b/config/examples/gCreate/gMax1.5+/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/makibox/Configuration_adv.h b/config/examples/makibox/Configuration_adv.h
index 66e0fe096ab4..6ae0bb530401 100644
--- a/config/examples/makibox/Configuration_adv.h
+++ b/config/examples/makibox/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/tvrrug/Round2/Configuration_adv.h b/config/examples/tvrrug/Round2/Configuration_adv.h
index 9706097338ae..76fe72e3fcf8 100644
--- a/config/examples/tvrrug/Round2/Configuration_adv.h
+++ b/config/examples/tvrrug/Round2/Configuration_adv.h
@@ -1364,6 +1364,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.
diff --git a/config/examples/wt150/Configuration_adv.h b/config/examples/wt150/Configuration_adv.h
index af6c38c7b32a..49458fb3af9d 100644
--- a/config/examples/wt150/Configuration_adv.h
+++ b/config/examples/wt150/Configuration_adv.h
@@ -1365,6 +1365,9 @@
   //#define SERIAL_XON_XOFF
 #endif
 
+// Add M575 G-code to change the baud rate
+//#define BAUD_RATE_GCODE
+
 #if ENABLED(SDSUPPORT)
   // Enable this option to collect and display the maximum
   // RX queue usage after transferring a file to SD.