diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 531057de3fe3..8b2399674e1e 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -139,14 +139,14 @@
  *          TMC5130, TMC5130_STANDALONE, TMC5160, TMC5160_STANDALONE
  * :['A4988', 'A5984', 'DRV8825', 'LV8729', 'TB6560', 'TB6600', 'TMC2100', 'TMC2130', 'TMC2130_STANDALONE', 'TMC2160', 'TMC2160_STANDALONE', 'TMC2208', 'TMC2208_STANDALONE', 'TMC2209', 'TMC2209_STANDALONE', 'TMC26X', 'TMC26X_STANDALONE', 'TMC2660', 'TMC2660_STANDALONE', 'TMC5130', 'TMC5130_STANDALONE', 'TMC5160', 'TMC5160_STANDALONE']
  */
-#define X_DRIVER_TYPE  TB6560
-#define Y_DRIVER_TYPE  TB6560
-#define Z_DRIVER_TYPE  TB6560
+#define X_DRIVER_TYPE  TB6600
+#define Y_DRIVER_TYPE  TB6600
+#define Z_DRIVER_TYPE  TB6600
 //#define X2_DRIVER_TYPE A4988
-#define Y2_DRIVER_TYPE TB6560
-#define Z2_DRIVER_TYPE TB6560
-#define Z3_DRIVER_TYPE TB6560
-#define Z4_DRIVER_TYPE TB6560
+#define Y2_DRIVER_TYPE TB6600
+#define Z2_DRIVER_TYPE TB6600
+#define Z3_DRIVER_TYPE TB6600
+#define Z4_DRIVER_TYPE TB6600
 //#define I_DRIVER_TYPE  A4988
 //#define J_DRIVER_TYPE  A4988
 //#define K_DRIVER_TYPE  A4988
@@ -392,7 +392,7 @@
  * Enable and connect the power supply to the PS_ON_PIN.
  * Specify whether the power supply is active HIGH or active LOW.
  */
-#define PSU_CONTROL
+//#define PSU_CONTROL
 //#define PSU_NAME "Power Supply"
 
 #if ENABLED(PSU_CONTROL)
@@ -1177,9 +1177,9 @@
  * Endstop "Hit" State
  * Set to the state (HIGH or LOW) that applies to each endstop.
  */
-#define X_MIN_ENDSTOP_HIT_STATE HIGH
+#define X_MIN_ENDSTOP_HIT_STATE LOW
 #define X_MAX_ENDSTOP_HIT_STATE HIGH
-#define Y_MIN_ENDSTOP_HIT_STATE HIGH
+#define Y_MIN_ENDSTOP_HIT_STATE LOW
 #define Y_MAX_ENDSTOP_HIT_STATE HIGH
 #define Z_MIN_ENDSTOP_HIT_STATE HIGH
 #define Z_MAX_ENDSTOP_HIT_STATE HIGH
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 7f06b0a0a486..a3b9360320fb 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1913,7 +1913,7 @@
    *
    * :[ 'LCD', 'ONBOARD', 'CUSTOM_CABLE' ]
    */
-  //#define SDCARD_CONNECTION LCD
+  #define SDCARD_CONNECTION ONBOARD
 
   // Enable if SD detect is rendered useless (e.g., by using an SD extender)
   //#define NO_SD_DETECT
@@ -2565,7 +2565,7 @@
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MINIMUM_STEPPER_PULSE 2
+#define MINIMUM_STEPPER_PULSE 10
 
 /**
  * Maximum stepping rate (in Hz) the stepper driver allows
@@ -2579,7 +2579,7 @@
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MAXIMUM_STEPPER_RATE 250000
+#define MAXIMUM_STEPPER_RATE 150000
 
 // @section temperature
 
diff --git a/Marlin/src/HAL/LPC4078/HAL.h b/Marlin/src/HAL/LPC4078/HAL.h
index c4803909a71f..ceaac6492fac 100644
--- a/Marlin/src/HAL/LPC4078/HAL.h
+++ b/Marlin/src/HAL/LPC4078/HAL.h
@@ -108,7 +108,8 @@ extern DefaultSerial1 USBSerial;
 
 #define CRITICAL_SECTION_START()  const bool irqon = !MCUCore::primask(); MCUCore::nvic_interrupts_disable()
 #define CRITICAL_SECTION_END()    if (irqon) MCUCore::nvic_interrupts_enable()
-
+#define cli() noInterrupts()
+#define sei() interrupts()
 //
 // ADC
 //
@@ -143,6 +144,14 @@ constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t pin) {
   return (MCUI::pin_is_valid(pin) && MCUI::pin_has_adc(pin)) ? pin : -1;
 }
 
+//
+// Misc. Functions
+//
+#ifndef analogInputToDigitalPin
+  #define analogInputToDigitalPin(p) (p)
+#endif
+
+
 // Return the index of a pin number
 constexpr int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
   return MCUI::pin_index(pin);
diff --git a/Marlin/src/pins/lpc4078/pins_EBAB.h b/Marlin/src/pins/lpc4078/pins_EBAB.h
index 83fa5bac4faa..6e2e1ccb04a4 100644
--- a/Marlin/src/pins/lpc4078/pins_EBAB.h
+++ b/Marlin/src/pins/lpc4078/pins_EBAB.h
@@ -33,7 +33,6 @@
 
 // EXTRA PINS
 #define FIL_RUNOUT_PIN P1_12
-#define PS_ON_PIN P3_15
 
 // DRIVERS EXTRA PINS
 #define DRIVERS_SCK                            P1_20
@@ -234,7 +233,7 @@
 #endif
 
 #ifndef PS_ON_PIN
-  #define PS_ON_PIN                           P_NC
+  //#define PS_ON_PIN                           P_NC
 #endif
 
 //
diff --git a/ini/lpc176x.ini b/ini/lpc176x.ini
index 974debe59e39..f617bb40fe68 100644
--- a/ini/lpc176x.ini
+++ b/ini/lpc176x.ini
@@ -27,7 +27,8 @@ lib_deps          = ${common.lib_deps}
 custom_marlin.USES_LIQUIDCRYSTAL = arduino-libraries/LiquidCrystal@~1.0.7
 custom_marlin.NEOPIXEL_LED = Adafruit NeoPixel=https://github.com/p3p/Adafruit_NeoPixel/archive/1.5.0.zip
 build_flags       = ${common.build_flags} -DU8G_HAL_LINKS  -DPLATFORM_M997_SUPPORT
-                    -IMarlin/src/HAL/LPC1768/include -IMarlin/src/HAL/LPC1768/u8g
+                    -IMarlin/src/HAL/LPC1768/include -IMarlin/src/HAL/LPC1768/u8g -O3
+build_unflags     = -Os
   # debug options for backtrace
   #-funwind-tables
   #-mpoke-function-name