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diff --git a/Marlin/src/pins/sam/pins_ALLIGATOR_R2.h b/Marlin/src/pins/sam/pins_ALLIGATOR_R2.h
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Alligator Board R2
+ * https://reprap.org/wiki/Alligator_Board
+ */
+
+#if NOT_TARGET(__SAM3X8E__)
+  #error "Oops! Select 'Arduino Due' in 'Tools > Board.'"
+#endif
+
+#define BOARD_INFO_NAME    "Alligator Board R2"
+
+//
+// Servos
+//
+#define SERVO0_PIN                            36
+#define SERVO1_PIN                            40
+#define SERVO2_PIN                            41
+#define SERVO3_PIN                            -1
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN                             33  // PC1
+#define X_MAX_PIN                             34  // PC2
+#define Y_MIN_PIN                             35  // PC3
+#define Y_MAX_PIN                             37  // PC5
+#define Z_MIN_PIN                             38  // PC6
+#define Z_MAX_PIN                             39  // PC7
+
+//
+// Steppers
+//
+#define X_STEP_PIN                            96  // PB24
+#define X_DIR_PIN                              2  // PB25
+#define X_ENABLE_PIN                          24  // PA15, motor RESET pin
+
+#define Y_STEP_PIN                            94  // PB22
+#define Y_DIR_PIN                             95  // PB23
+#define Y_ENABLE_PIN                          24  // PA15, motor RESET pin
+
+#define Z_STEP_PIN                            98  // PC27
+#define Z_DIR_PIN                              3  // PC28
+#define Z_ENABLE_PIN                          24  // PA15, motor RESET pin
+
+#define E0_STEP_PIN                            5  // PC25
+#define E0_DIR_PIN                             4  // PC26
+#define E0_ENABLE_PIN                         24  // PA15, motor RESET pin
+
+#define E1_STEP_PIN                           28  // PD3 on piggy
+#define E1_DIR_PIN                            27  // PD2 on piggy
+#define E1_ENABLE_PIN                         24  // PA15, motor RESET pin
+
+#define E2_STEP_PIN                           11  // PD7 on piggy
+#define E2_DIR_PIN                            29  // PD6 on piggy
+#define E2_ENABLE_PIN                         24  // PA15, motor RESET pin
+
+#define E3_STEP_PIN                           30  // PD9 on piggy
+#define E3_DIR_PIN                            12  // PD8 on piggy
+#define E3_ENABLE_PIN                         24  // PA15, motor RESET pin
+
+// Microstepping pins - Mapping not from fastio.h (?)
+#define X_MS1_PIN                             99  // PC10
+#define Y_MS1_PIN                             10  // PC29
+#define Z_MS1_PIN                             44  // PC19
+#define E0_MS1_PIN                            45  // PC18
+
+//#define MOTOR_FAULT_PIN                     22  // PB26 , motor X-Y-Z-E0 motor FAULT
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                             1  // Analog Input (PA24)
+#define TEMP_1_PIN                             2  // Analog Input (PA23 on piggy)
+#define TEMP_2_PIN                             3  // Analog Input (PA22 on piggy)
+#define TEMP_3_PIN                             4  // Analog Input (PA6 on piggy)
+#define TEMP_BED_PIN                           0  // Analog Input (PA16)
+
+//
+// Heaters / Fans
+//
+// Note that on the Due pin A0 on the board is channel 2 on the ARM chip
+#define HEATER_0_PIN                          68  // PA1
+#define HEATER_1_PIN                           8  // PC22 on piggy
+#define HEATER_2_PIN                           9  // PC21 on piggy
+#define HEATER_3_PIN                          97  // PC20 on piggy
+#define HEATER_BED_PIN                        69  // PA0
+
+#ifndef FAN_PIN
+  #define FAN_PIN                             92  // PA5
+#endif
+#define FAN1_PIN                              31  // PA7
+
+//
+// Misc. Functions
+//
+#define SDSS                                  77  // PA28
+#define SD_DETECT_PIN                         87  // PA29
+#define LED_RED_PIN                           40  // PC8
+#define LED_GREEN_PIN                         41  // PC9
+
+#define EXP_VOLTAGE_LEVEL_PIN                 65
+
+#define SPI_CHAN_DAC                           1
+
+#define DAC0_SYNC                             53  // PB14
+#define DAC1_SYNC                              6  // PC24
+
+// 64K SPI EEPROM
+#define SPI_EEPROM
+#define SPI_CHAN_EEPROM1                       2
+#define SPI_EEPROM1_CS                        25  // PD0
+
+// 2K SPI EEPROM
+#define SPI_EEPROM2_CS                        26  // PD1
+
+// FLASH SPI
+// 32Mb
+#define SPI_FLASH_CS                          23  // PA14
+
+//
+// LCD / Controller
+//
+#if IS_RRD_FG_SC
+  #define LCD_PINS_RS                         18
+  #define LCD_PINS_ENABLE                     15
+  #define LCD_PINS_D4                         19
+  #define BEEPER_PIN                          64
+  #undef UI_VOLTAGE_LEVEL
+  #define UI_VOLTAGE_LEVEL                     1
+#endif
+
+#if IS_NEWPANEL
+  #define BTN_EN1                             14
+  #define BTN_EN2                             16
+  #define BTN_ENC                             17
+#endif