diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 7d0d065..d7d548c 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -190,10 +190,15 @@
   #define PID_dT ((16.0 * 8.0)/(F_CPU / 64.0 / 256.0)) //sampling period of the temperature routine
 
 // If you are using a preconfigured hotend then you can use one of the value sets by uncommenting it
+// Neutron
+    #define  DEFAULT_Kp  9.36//9.03
+    #define  DEFAULT_Ki  0.76//0.74
+    #define  DEFAULT_Kd  28.98//27.37
+
 // Ultimaker
-    #define  DEFAULT_Kp  9.3//15.98//16.54
-    #define  DEFAULT_Ki  0.64//2.24//1.3
-    #define  DEFAULT_Kd  33.69//28.55//52.56
+//    #define  DEFAULT_Kp  9.3//15.98//16.54
+//    #define  DEFAULT_Ki  0.64//2.24//1.3
+//    #define  DEFAULT_Kd  33.69//28.55//52.56
 
 // Makergear
 //    #define  DEFAULT_Kp 7.0
@@ -309,10 +314,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #define DISABLE_Z false
 #define DISABLE_E false // For all extruders
 
-#define INVERT_X_DIR true    // for Mendel set to false, for Orca set to true
-#define INVERT_Y_DIR true    // for Mendel set to true, for Orca set to false
-#define INVERT_Z_DIR true    // for Mendel set to false, for Orca set to true
-#define INVERT_E0_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
+#define INVERT_X_DIR false    // for Mendel set to false, for Orca set to true
+#define INVERT_Y_DIR false    // for Mendel set to true, for Orca set to false
+#define INVERT_Z_DIR false    // for Mendel set to false, for Orca set to true
+#define INVERT_E0_DIR true   // for direct drive extruder v9 set to true, for geared extruder set to false
 #define INVERT_E1_DIR true   // for direct drive extruder v9 set to true, for geared extruder set to false
 #define INVERT_E2_DIR true   // for direct drive extruder v9 set to true, for geared extruder set to false
 
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index a2e997f..9795dce 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -57,7 +57,7 @@
 //This is for controlling a fan to cool down the stepper drivers
 //it will turn on when any driver is enabled
 //and turn off after the set amount of seconds from last driver being disabled again
-#define CONTROLLERFAN_PIN -1 //Pin used for the fan to cool controller (-1 to disable)
+#define CONTROLLERFAN_PIN 8 //Pin used for the fan to cool controller (-1 to disable)
 #define CONTROLLERFAN_SECS 60 //How many seconds, after all motors were disabled, the fan should run
 #define CONTROLLERFAN_SPEED 255  // == full speed
 
@@ -71,7 +71,7 @@
 // extruder temperature is above/below EXTRUDER_AUTO_FAN_TEMPERATURE.
 // Multiple extruders can be assigned to the same pin in which case 
 // the fan will turn on when any selected extruder is above the threshold.
-#define EXTRUDER_0_AUTO_FAN_PIN   -1
+#define EXTRUDER_0_AUTO_FAN_PIN   9
 #define EXTRUDER_1_AUTO_FAN_PIN   -1
 #define EXTRUDER_2_AUTO_FAN_PIN   -1
 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
diff --git a/Marlin/SdBaseFile.cpp b/Marlin/SdBaseFile.cpp
index 747d1d9..28704ce 100644
--- a/Marlin/SdBaseFile.cpp
+++ b/Marlin/SdBaseFile.cpp
@@ -364,7 +364,7 @@ bool SdBaseFile::getFilename(char* name)
     return true;
 }
 //------------------------------------------------------------------------------
-void SdBaseFile::getpos(fpos_t* pos)
+void SdBaseFile::getpos(filepos_t* pos)
 {
     pos->position = curPosition_;
     pos->cluster = curCluster_;
@@ -1226,7 +1226,7 @@ bool SdBaseFile::openRoot(SdVolume* vol)
  */
 int SdBaseFile::peek()
 {
-    fpos_t pos;
+    filepos_t pos;
     getpos(&pos);
     int c = read();
     if (c >= 0)
@@ -1952,7 +1952,7 @@ bool SdBaseFile::seekSet(uint32_t pos)
     return false;
 }
 //------------------------------------------------------------------------------
-void SdBaseFile::setpos(fpos_t* pos)
+void SdBaseFile::setpos(filepos_t* pos)
 {
     curPosition_ = pos->position;
     curCluster_ = pos->cluster;
diff --git a/Marlin/SdBaseFile.h b/Marlin/SdBaseFile.h
index 7061ab9..c57d203 100644
--- a/Marlin/SdBaseFile.h
+++ b/Marlin/SdBaseFile.h
@@ -31,17 +31,17 @@
 #include "SdVolume.h"
 //------------------------------------------------------------------------------
 /**
- * \struct fpos_t
+ * \struct filepos_t
  * \brief internal type for istream
  * do not use in user apps
  */
-struct fpos_t 
+struct filepos_t 
 {
     /** stream position */
     uint32_t position;
     /** cluster for position */
     uint32_t cluster;
-    fpos_t() : position(0), cluster(0)
+    filepos_t() : position(0), cluster(0)
     {
     }
 };
@@ -223,11 +223,11 @@ class SdBaseFile {
     /** get position for streams
      * \param[out] pos struct to receive position
      */
-    void getpos(fpos_t* pos);
+    void getpos(filepos_t* pos);
     /** set position for streams
      * \param[out] pos struct with value for new position
      */
-    void setpos(fpos_t* pos);
+    void setpos(filepos_t* pos);
     //----------------------------------------------------------------------------
     bool close();
     bool contiguousRange(uint32_t* bgnBlock, uint32_t* endBlock);
diff --git a/Marlin/pins.h b/Marlin/pins.h
index 673be6d..5e6ce0d 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -395,7 +395,7 @@
   #endif
 
   #if MOTHERBOARD == 33 || MOTHERBOARD == 35
-    #define FAN_PIN            9 // (Sprinter config)
+    #define FAN_PIN            -1 //9 // (Sprinter config)
   #else
     #define FAN_PIN            4 // IO pin. Buffer needed
   #endif