Clean up probe config options

Marlin/Conditionals_LCD.h

    */
   #define PROBE_SELECTED (ENABLED(FIX_MOUNTED_PROBE) || ENABLED(Z_PROBE_ALLEN_KEY) || HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))
 
+  /**
+   * Clear probe pin settings when no probe is selected
+   */
+  #if !PROBE_SELECTED
+    #undef Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+    #undef Z_MIN_PROBE_ENDSTOP
+  #endif
+
 #endif //CONDITIONALS_LCD_H

Marlin/Conditionals_post.h

     #if ENABLED(USE_ZMIN_PLUG)
       #define ENDSTOPPULLUP_ZMIN
     #endif
-    #if DISABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
-      #define ENDSTOPPULLUP_ZMIN_PROBE
-    #endif
   #endif
 
   /**
    * Bed Probe dependencies
    */
   #if HAS_BED_PROBE
+    #if ENABLED(ENDSTOPPULLUPS) && HAS_Z_MIN_PROBE_PIN
+      #define ENDSTOPPULLUP_ZMIN_PROBE
+    #endif
     #ifndef Z_PROBE_OFFSET_RANGE_MIN
       #define Z_PROBE_OFFSET_RANGE_MIN -20
     #endif

Marlin/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/SanityCheck.h

 
 #if PROBE_SELECTED
 
+  /**
+   * Only allow one probe option to be defined
+   */
+  #define COUNT_PROBE_1 0
+  #if ENABLED(FIX_MOUNTED_PROBE)
+    #define COUNT_PROBE_2 INCREMENT(COUNT_PROBE_1)
+  #else
+    #define COUNT_PROBE_2 COUNT_PROBE_1
+  #endif
+  #if HAS_Z_SERVO_ENDSTOP && DISABLED(BLTOUCH)
+    #define COUNT_PROBE_3 INCREMENT(COUNT_PROBE_2)
+  #else
+    #define COUNT_PROBE_3 COUNT_PROBE_2
+  #endif
+  #if ENABLED(BLTOUCH)
+    #define COUNT_PROBE_4 INCREMENT(COUNT_PROBE_3)
+  #else
+    #define COUNT_PROBE_4 COUNT_PROBE_3
+  #endif
+  #if ENABLED(Z_PROBE_ALLEN_KEY)
+    #define COUNT_PROBE_5 INCREMENT(COUNT_PROBE_4)
+  #else
+    #define COUNT_PROBE_5 COUNT_PROBE_4
+  #endif
+  #if ENABLED(Z_PROBE_SLED)
+    #define COUNT_PROBE_6 INCREMENT(COUNT_PROBE_5)
+  #else
+    #define COUNT_PROBE_6 COUNT_PROBE_5
+  #endif
+  #if COUNT_PROBE_6 > 1
+    #error "Please enable only one probe: FIX_MOUNTED_PROBE, Z Servo, BLTOUCH, Z_PROBE_ALLEN_KEY, or Z_PROBE_SLED."
+  #endif
+
+  /**
+   * Z_PROBE_SLED is incompatible with DELTA
+   */
   #if ENABLED(Z_PROBE_SLED) && ENABLED(DELTA)
     #error "You cannot use Z_PROBE_SLED with DELTA."
   #endif
   #endif
 
   /**
-   * A probe needs a pin
-   */
-  #if !PROBE_PIN_CONFIGURED
-    #error "A probe needs a pin! Use Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN or Z_MIN_PROBE_PIN."
-  #endif
-
-  /**
-   * Require a Z min pin
+   * Require pin options and pins to be defined
    */
-  #if HAS_Z_MIN
-     // Z_MIN_PIN and Z_MIN_PROBE_PIN can't co-exist when Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
-    #if HAS_Z_MIN_PROBE_PIN && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
-      #error "A probe cannot have more than one pin! Use Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN or Z_MIN_PROBE_PIN."
+  #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
+    #if ENABLED(Z_MIN_PROBE_ENDSTOP)
+      #error "Enable only one option: Z_MIN_PROBE_ENDSTOP or Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN."
+    #elif DISABLED(USE_ZMIN_PLUG)
+      #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires USE_ZMIN_PLUG to be enabled."
+    #elif !HAS_Z_MIN
+      #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires the Z_MIN_PIN to be defined."
     #endif
-  #elif !HAS_Z_MIN_PROBE_PIN || (DISABLED(Z_MIN_PROBE_ENDSTOP) || ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP))
-    // A pin was set for the Z probe, but not enabled.
-    #error "A probe requires a Z_MIN or Z_PROBE pin. Z_MIN_PIN or Z_MIN_PROBE_PIN must point to a valid hardware pin."
-  #endif
-
-  /**
-   * Make sure the plug is enabled if it's used
-   */
-  #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN) && DISABLED(USE_ZMIN_PLUG)
-    #error "You must enable USE_ZMIN_PLUG if any probe or endstop is connected to the ZMIN plug."
-  #endif
-
-  /**
-   * Only allow one probe option to be defined
-   */
-  #if (ENABLED(FIX_MOUNTED_PROBE) && (ENABLED(Z_PROBE_ALLEN_KEY) || HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))) \
-       || (ENABLED(Z_PROBE_ALLEN_KEY) && (HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))) \
-       || (HAS_Z_SERVO_ENDSTOP && ENABLED(Z_PROBE_SLED))
-    #error "Please define only one type of probe: Z Servo/BLTOUCH, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or FIX_MOUNTED_PROBE."
-  #endif
-
-  /**
-   * Don't allow nonsense probe-pin settings
-   */
-  #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN) && ENABLED(Z_MIN_PROBE_ENDSTOP)
-    #error "You can't enable both Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN and Z_MIN_PROBE_ENDSTOP."
-  #elif ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN) && ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
-    #error "Don't enable DISABLE_Z_MIN_PROBE_ENDSTOP with Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN."
-  #elif ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP) && DISABLED(Z_MIN_PROBE_ENDSTOP)
-    #error "DISABLE_Z_MIN_PROBE_ENDSTOP requires Z_MIN_PROBE_ENDSTOP to be set."
-  #endif
-
-  /**
-   * Require a Z probe pin if Z_MIN_PROBE_ENDSTOP is enabled.
-   */
-  #if ENABLED(Z_MIN_PROBE_ENDSTOP)
+  #elif ENABLED(Z_MIN_PROBE_ENDSTOP)
     #if !HAS_Z_MIN_PROBE_PIN
-      #error "Z_MIN_PROBE_ENDSTOP requires a Z_MIN_PROBE_PIN in your board's pins_XXXX.h file."
+      #error "Z_MIN_PROBE_ENDSTOP requires the Z_MIN_PROBE_PIN to be defined."
     #endif
-    // Forcing Servo definitions can break some hall effect sensor setups. Leaving these here for further comment.
-    //#ifndef NUM_SERVOS
-    //  #error "You must have NUM_SERVOS defined and there must be at least 1 configured to use Z_MIN_PROBE_ENDSTOP."
-    //#endif
-    //#if defined(NUM_SERVOS) && NUM_SERVOS < 1
-    //  #error "You must have at least 1 servo defined for NUM_SERVOS to use Z_MIN_PROBE_ENDSTOP."
-    //#endif
-    //#if Z_ENDSTOP_SERVO_NR < 0
-    //  #error "You must have Z_ENDSTOP_SERVO_NR set to at least 0 or above to use Z_MIN_PROBE_ENDSTOP."
-    //#endif
-    //#ifndef Z_SERVO_ANGLES
-    //  #error "You must have Z_SERVO_ANGLES defined for Z Extend and Retract to use Z_MIN_PROBE_ENDSTOP."
-    //#endif
+  #else
+    #error "You must enable either Z_MIN_PROBE_ENDSTOP or Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use a probe."
   #endif
 
   /**

Marlin/endstops.cpp

     #endif
   #endif
 
-  #if HAS_Z_MIN_PROBE_PIN && ENABLED(Z_MIN_PROBE_ENDSTOP) // Check for Z_MIN_PROBE_ENDSTOP so we don't pull a pin high unless it's to be used.
+  #if ENABLED(Z_MIN_PROBE_ENDSTOP)
     SET_INPUT(Z_MIN_PROBE_PIN);
     #if ENABLED(ENDSTOPPULLUP_ZMIN_PROBE)
       WRITE(Z_MIN_PROBE_PIN,HIGH);
     SERIAL_PROTOCOLPGM(MSG_Z2_MAX);
     SERIAL_PROTOCOLLN(((READ(Z2_MAX_PIN)^Z2_MAX_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
   #endif
-  #if HAS_Z_MIN_PROBE_PIN
+  #if ENABLED(Z_MIN_PROBE_ENDSTOP)
     SERIAL_PROTOCOLPGM(MSG_Z_PROBE);
     SERIAL_PROTOCOLLN(((READ(Z_MIN_PROBE_PIN)^Z_MIN_PROBE_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
   #endif
 
           #else // !Z_DUAL_ENDSTOPS
 
-            #if HAS_BED_PROBE && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
+            #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
               if (z_probe_enabled) UPDATE_ENDSTOP(Z, MIN);
             #else
               UPDATE_ENDSTOP(Z, MIN);
 
         #endif // HAS_Z_MIN
 
-        #if HAS_BED_PROBE && ENABLED(Z_MIN_PROBE_ENDSTOP) && DISABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
+        #if ENABLED(Z_MIN_PROBE_ENDSTOP)
           if (z_probe_enabled) {
             UPDATE_ENDSTOP(Z, MIN_PROBE);
             if (TEST_ENDSTOP(Z_MIN_PROBE)) SBI(endstop_hit_bits, Z_MIN_PROBE);

Marlin/example_configurations/Cartesio/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/Felix/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/Felix/DUAL/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/Hephestos/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 #define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/Hephestos_2/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 #define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/K8200/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/K8400/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/K8400/Dual-head/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/RigidBot/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/SCARA/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/TAZ4/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/WITBOX/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/delta/biv2.5/Configuration.h

 
 #endif // Z_PROBE_ALLEN_KEY
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/delta/generic/Configuration.h

 
 #endif // Z_PROBE_ALLEN_KEY
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 #define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 
 #endif // Z_PROBE_ALLEN_KEY
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 
 #endif // Z_PROBE_ALLEN_KEY
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 
 #endif // Z_PROBE_ALLEN_KEY
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 #define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/makibox/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // Allen Key Probe is defined in the Delta example configurations.
 //
 
-// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
-// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
-//
 // *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
 //
 // To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
 //
 // Normally-closed switches are advised and are the default.
 //
+
+//
 // The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
 // Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
-// default pin for all RAMPS-based boards. Some other boards map differently.
-// To set or change the pin for your board, edit the appropriate pins_XXXXX.h file.
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
 //
 // WARNING:
 // Setting the wrong pin may have unexpected and potentially disastrous consequences.
 // Use with caution and do your homework.
 //
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
 //#define Z_MIN_PROBE_ENDSTOP
 
 // Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
 
 // To use a probe you must enable one of the two options above!
 
-// This option disables the use of the Z_MIN_PROBE_PIN
-// To enable the Z probe pin but disable its use, uncomment the line below. This only affects a
-// Z probe switch if you have a separate Z min endstop also and have activated Z_MIN_PROBE_ENDSTOP above.
-// If you're using the Z MIN endstop connector for your Z probe, this has no effect.
-//#define DISABLE_Z_MIN_PROBE_ENDSTOP
-
 // Enable Z Probe Repeatability test to see how accurate your probe is
 //#define Z_MIN_PROBE_REPEATABILITY_TEST
 

Marlin/pins.h

 //
 // Disable unused endstop / probe pins
 //
-#if ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP) || DISABLED(Z_MIN_PROBE_ENDSTOP) // Allow code to compile regardless of Z_MIN_PROBE_ENDSTOP setting.
+#if DISABLED(Z_MIN_PROBE_ENDSTOP)
   #undef Z_MIN_PROBE_PIN
   #define Z_MIN_PROBE_PIN    -1
 #endif