diff --git a/Marlin/src/inc/Conditionals-2-LCD.h b/Marlin/src/inc/Conditionals-2-LCD.h
index 53daae462f..579d88bada 100644
--- a/Marlin/src/inc/Conditionals-2-LCD.h
+++ b/Marlin/src/inc/Conditionals-2-LCD.h
@@ -542,14 +542,14 @@
 
 #if ENABLED(MIGHTYBOARD_INTERFACE)
   #define MIGHTYBOARD_LCD
-  // #define IS_ULTIPANEL 1
+  #define IS_ULTIPANEL 1    // Enables button menu navigation and functions (Marlin UI)
   // #define HAS_WIRED_LCD 1
   #define LCD_WIDTH 20
   #define LCD_HEIGHT 4
 #endif
 
 #if ANY(IS_ULTIPANEL, ULTRA_LCD, MIGHTYBOARD_LCD)
-  #define HAS_WIRED_LCD 1
+  #define HAS_WIRED_LCD 1   // Enables LCD and button detection
 #endif
 
 
diff --git a/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVG.h b/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVG.h
index bfd351ea96..3bf7422d6b 100644
--- a/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVG.h
+++ b/Marlin/src/pins/mega/pins_MIGHTYBOARD_REVG.h
@@ -191,6 +191,22 @@
 
     #define BEEPER_PIN                         6  // H3
 
+    //
+    // SD Card
+    //
+    // --- Secure Digital Card configuration ---
+    // NOTE: If SD support is enabled, it is implicitly assumed that the
+    // following pins are connected:
+    //  AVR    |   SD header
+    //---------|--------------
+    //  MISO   |   DATA_OUT
+    //  MOSI   |   DATA_IN
+    //  SCK    |   CLK
+
+    #define SD_WRITE_PIN                          41  // Sailfish mighty two: G0(41)  H5(D8)  -
+    #define SD_DETECT_PIN                         40  // Sailfish mighty two: G1(40) H6(D9)  L0(D49)
+    #define SD_SS_PIN                             53  // Sailfish mighty two: B0(53)
+
   #endif
 
 #endif // HAS_WIRED_LCD