diff --git a/Marlin/pins_PRINTRBOARD_REVF.h b/Marlin/pins_PRINTRBOARD_REVF.h
old mode 100755
new mode 100644
index f83bdf5ab065a4958d2e4290fc46aff207da641f..3adeb120345d6d2aabedf88fd08798c34ed390ce
--- a/Marlin/pins_PRINTRBOARD_REVF.h
+++ b/Marlin/pins_PRINTRBOARD_REVF.h
@@ -31,10 +31,12 @@
* and with the mainstream Marlin software.
*
* Teensyduino - http://www.pjrc.com/teensy/teensyduino.html
+ * Installation instructions are at the above URL.
+ *
* Select Teensy++ 2.0 in Arduino IDE from the 'Tools -> Boards' menu
- *
- * Installation instructions are at the above URL. Don't bother loading the
- * libraries - they are not used with the Marlin software.
+ *
+ * Note: With Teensyduino extension, the Arduino IDE will report 130048 bytes of program storage space available,
+ * but there is actually only 122880 bytes due to the larger DFU bootloader shipped by default on all Printrboard RevF.
*
* Printrboard - https://github.com/scwimbush/Printrboard-HID-Arduino-IDE-Support
*
@@ -48,12 +50,11 @@
* 3. Restart Arduino.
* 4. Select "Printrboard" from the 'Tools -> Boards' menu.
*
- * Teensyduino is the most popular option. Printrboard is used if your board doesn't have
- * the Teensyduino bootloader on it.
+ * Teensyduino is the most popular and easiest option.
*/
/**
- * To burn the bootloader that comes with Printrboard:
+ * To burn the bootloader that comes with Printrboard HID extension:
*
* 1. Connect your programmer to the board.
* 2. In the Arduino IDE select "Printrboard" and then select the programmer.
@@ -94,9 +95,15 @@
#define E0_DIR_PIN 35 // A7
#define E0_ENABLE_PIN 13 // C3
-// uncomment to enable an I2C based DAC like on the Printrboard REVF
+// Enable control of stepper motor currents with the I2C based MCP4728 DAC used on Printrboard REVF
#define DAC_STEPPER_CURRENT
-// Number of channels available for DAC, For Printrboar REVF there are 4
+
+// Set default drive strength percents if not already defined - X, Y, Z, E axis
+#ifndef DAC_MOTOR_CURRENT_DEFAULT
+ #define DAC_MOTOR_CURRENT_DEFAULT { 70, 70, 50, 70 }
+#endif
+
+// Number of channels available for DAC
#define DAC_STEPPER_ORDER { 3, 2, 1, 0 }
#define DAC_STEPPER_SENSE 0.11
@@ -122,15 +129,11 @@
#define FAN_PIN 16 // C6 PWM3A
-//
-// Misc. Functions
-//
-#define SDSS 20 // B0 SS
-#define FILWIDTH_PIN 2 // Analog Input
-
//
// LCD / Controller
//
+//#define USE_INTERNAL_SD
+
#if ENABLED(ULTRA_LCD)
#define BEEPER_PIN -1
@@ -164,3 +167,53 @@
#define STAT_LED_RED_PIN 12 // C2 JP11-14
#define STAT_LED_BLUE_PIN 10 // C0 JP11-12
#endif
+
+#if ENABLED(MINIPANEL)
+ #if ENABLED(USE_INTERNAL_SD)
+ // PIN FASTIO PIN# ATUSB90 PIN# Teensy2.0++ PIN#
+ #define SDSS 20 // 10 B0
+ #define SD_DETECT_PIN -1 // no auto-detect SD insertion on built-in Printrboard SD reader
+ #else
+ // PIN FASTIO PIN# ATUSB90 PIN# Teensy2.0++ PIN# Printrboard RevF Conn. MKSLCD12864 PIN#
+ #define SDSS 11 // 36 C1 EXP2-13 EXP2-07
+ #define SD_DETECT_PIN 9 // 34 E1 EXP2-11 EXP2-04
+ #endif
+
+ // PIN FASTIO PIN# ATUSB90 PIN# Teensy2.0++ PIN# Printrboard RevF Conn. MKSLCD12864 PIN#
+ #define DOGLCD_A0 4 // 29 D4 EXP2-05 EXP1-04
+ #define DOGLCD_CS 5 // 30 D5 EXP2-06 EXP1-05
+ #define BTN_ENC 6 // 31 D6 EXP2-07 EXP1-09
+ #define BEEPER_PIN 7 // 32 D7 EXP2-08 EXP1-10
+ #define KILL_PIN 8 // 33 E0 EXP2-10 EXP2-03
+ #define BTN_EN1 10 // 35 C0 EXP2-12 EXP2-06
+ #define BTN_EN2 12 // 37 C2 EXP2-14 EXP2-08
+ //#define LCD_BACKLIGHT_PIN 43 // 56 F5 EXP1-12 Not Implemented
+ //#define SCK 21 // 11 B1 ICSP-04 EXP2-09
+ //#define MOSI 22 // 12 B2 ICSP-03 EXP2-05
+ //#define MISO 23 // 13 B3 ICSP-06 EXP2-05
+
+ // encoder connections present
+ #define BLEN_A 0
+ #define BLEN_B 1
+ #define BLEN_C 2
+
+ // encoder rotation values
+ #define encrot0 0
+ #define encrot1 2
+ #define encrot2 3
+ #define encrot3 1
+
+ // increase delays to max
+ #define ST7920_DELAY_1 DELAY_5_NOP
+ #define ST7920_DELAY_2 DELAY_5_NOP
+ #define ST7920_DELAY_3 DELAY_5_NOP
+#endif
+
+//
+// Misc. Functions
+//
+#ifndef SDSS
+ #define SDSS 20 // B0 SS
+#endif
+
+#define FILWIDTH_PIN 2 // Analog Input