For HICtop Prusa i3pd08 with MKS 1.3 board:

pins_MKS_BASE.h
/**
* MKS BASE 1.0 – Arduino Mega2560 with RAMPS v1.4 pin assignments
*/


#include "pins_RAMPS_13_EFB.h"


#undef HEATER_1_PIN
#define HEATER_1_PIN 7


#undef SERVO0_PIN // This pin is signal to bed level servo
#define SERVO0_PIN 11 // pin/value 11 is label on MKS board D11, pin/value 12 is label D12


//#undef Y_MAX_PIN // GDD I run Z_MIN_PIN & Z_MIN_PROBE. I OVERLAP Y_MAX_PIN (15) wire as Z Min Probe pin
#define Z_MIN_PROBE_PIN 15 //