diff --git a/Marlin/example_configurations/Infitary/i3-M508/Configuration.h b/Marlin/example_configurations/Infitary/i3-M508/Configuration.h
index 10bf51ee9f..eadfa6a4db 100644
--- a/Marlin/example_configurations/Infitary/i3-M508/Configuration.h
+++ b/Marlin/example_configurations/Infitary/i3-M508/Configuration.h
@@ -58,15 +58,15 @@
 //===========================================================================
 //============================= DELTA Printer ===============================
 //===========================================================================
-// For a Delta printer replace the configuration files with the files in the
-// example_configurations/delta directory.
+// For a Delta printer start with one of the configuration files in the
+// example_configurations/delta directory and customize for your machine.
 //
 
 //===========================================================================
 //============================= SCARA Printer ===============================
 //===========================================================================
-// For a Scara printer replace the configuration files with the files in the
-// example_configurations/SCARA directory.
+// For a SCARA printer start with the configuration files in
+// example_configurations/SCARA and customize for your machine.
 //
 
 // @section info
@@ -138,11 +138,33 @@
 // For Cyclops or any "multi-extruder" that shares a single nozzle.
 //#define SINGLENOZZLE
 
+/**
+ * Průša MK2 Single Nozzle Multi-Material Multiplexer, and variants.
+ *
+ * This device allows one stepper driver on a control board to drive
+ * two to eight stepper motors, one at a time, in a manner suitable
+ * for extruders.
+ *
+ * This option only allows the multiplexer to switch on tool-change.
+ * Additional options to configure custom E moves are pending.
+ */
+//#define MK2_MULTIPLEXER
+#if ENABLED(MK2_MULTIPLEXER)
+  // Override the default DIO selector pins here, if needed.
+  // Some pins files may provide defaults for these pins.
+  //#define E_MUX0_PIN 40  // Always Required
+  //#define E_MUX1_PIN 42  // Needed for 3 to 8 steppers
+  //#define E_MUX2_PIN 44  // Needed for 5 to 8 steppers
+#endif
+
 // A dual extruder that uses a single stepper motor
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
   #define SWITCHING_EXTRUDER_SERVO_NR 0
-  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
+  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1[, E2, E3]
+  #if EXTRUDERS > 3
+    #define SWITCHING_EXTRUDER_E23_SERVO_NR 1
+  #endif
 #endif
 
 // A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
@@ -312,6 +334,7 @@
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
+
   // Ultimaker
   //#define  DEFAULT_Kp 22.2
   //#define  DEFAULT_Ki 1.08
@@ -569,7 +592,6 @@
  *
  */
 //#define Z_MIN_PROBE_ENDSTOP
-//#define Z_MIN_PROBE_PIN Z_MAX_PIN
 
 /**
  * Probe Type
@@ -884,12 +906,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
-  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+
+  #define UBL_PROBE_PT_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #define UBL_PROBE_PT_2_X 39
   #define UBL_PROBE_PT_2_Y 20
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 
@@ -971,11 +995,8 @@
 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //
 //#define EEPROM_SETTINGS // Enable for M500 and M501 commands
-
-#if ENABLED(EEPROM_SETTINGS)
-  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-  #define EEPROM_CHITCHAT // Please keep turned on if you can.
-#endif
+//#define DISABLE_M503    // Saves ~2700 bytes of PROGMEM. Disable for release!
+#define EEPROM_CHITCHAT   // Give feedback on EEPROM commands. Disable to save PROGMEM.
 
 //
 // Host Keepalive
@@ -1135,10 +1156,11 @@
  *
  * Select the language to display on the LCD. These languages are available:
  *
- *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
- *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *    en, an, bg, ca, cn, cz, cz_utf8, de, el, el-gr, es, eu, fi, fr, gl, hr,
+ *    it, kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk,
+ *    zh_CN, zh_TW, test
  *
- * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'cz_utf8':'Czech (UTF8)', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Taiwan)', test':'TEST' }
  */
 #define LCD_LANGUAGE en
 
@@ -1160,7 +1182,7 @@
  *  - Click the controller to view the LCD menu
  *  - The LCD will display Japanese, Western, or Cyrillic text
  *
- * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ * See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
  *
  * :['JAPANESE', 'WESTERN', 'CYRILLIC']
  */
@@ -1374,6 +1396,16 @@
 //
 //#define BQ_LCD_SMART_CONTROLLER
 
+//
+// ANET_10 Controller supported displays.
+//
+//#define ANET_KEYPAD_LCD         // Requires ADC_KEYPAD_PIN to be assigned to an analog pin.
+                                  // This LCD is known to be susceptible to electrical interference
+                                  // which scrambles the display.  Pressing any button clears it up.
+//#define ANET_FULL_GRAPHICS_LCD  // Anet 128x64 full graphics lcd with rotary encoder as used on Anet A6
+                                  // A clone of the RepRapDiscount full graphics display but with
+                                  // different pins/wiring (see pins_ANET_10.h).
+
 //
 // LCD for Melzi Card with Graphical LCD
 //
@@ -1395,6 +1427,9 @@
 //
 // Sainsmart YW Robot (LCM1602) LCD Display
 //
+// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
+//
 //#define LCD_I2C_SAINSMART_YWROBOT
 
 //
@@ -1485,12 +1520,15 @@
 // SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
 //#define SF_ARC_FIX
 
-// Support for the BariCUDA Paste Extruder.
+// Support for the BariCUDA Paste Extruder
 //#define BARICUDA
 
-//define BlinkM/CyzRgb Support
+// Support for BlinkM/CyzRgb
 //#define BLINKM
 
+// Support for PCA9632 PWM LED driver
+//#define PCA9632
+
 /**
  * RGB LED / LED Strip Control
  *