diff --git a/config/examples/Geeetech/A10M/Configuration.h b/config/examples/Geeetech/A10M/Configuration.h
index 1bbb61063..a0a25651d 100644
--- a/config/examples/Geeetech/A10M/Configuration.h
+++ b/config/examples/Geeetech/A10M/Configuration.h
@@ -682,14 +682,14 @@
  * Override with M92
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80.3, 80.8, 400, 430 }
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 430 }
 
 /**
  * Default Max Feed Rate (mm/s)
  * Override with M203
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_MAX_FEEDRATE          { 400, 400, 40, 45 }
+#define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
 /**
  * Default Max Acceleration (change/s) change = mm/s
@@ -697,7 +697,7 @@
  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 40, 5000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s
@@ -707,9 +707,9 @@
  *   M204 R    Retract Acceleration
  *   M204 T    Travel Acceleration
  */
-#define DEFAULT_ACCELERATION          1000    // X, Y, Z and E acceleration for printing moves
-#define DEFAULT_RETRACT_ACCELERATION  2000    // E acceleration for retracts
-#define DEFAULT_TRAVEL_ACCELERATION   1000    // X, Y, Z acceleration for travel (non printing) moves
+#define DEFAULT_ACCELERATION          500    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION  500    // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   500    // X, Y, Z acceleration for travel (non printing) moves
 
 //
 // Use Junction Deviation instead of traditional Jerk Limiting
@@ -984,8 +984,8 @@
 // @section machine
 
 // The size of the print bed
-#define X_BED_SIZE 220
-#define Y_BED_SIZE 220
+#define X_BED_SIZE 230
+#define Y_BED_SIZE 230
 
 // Travel limits (mm) after homing, corresponding to endstop positions.
 #define X_MIN_POS -10
diff --git a/config/examples/Geeetech/A20M/Configuration.h b/config/examples/Geeetech/A20M/Configuration.h
index 03e3daf8d..d107d2a6f 100644
--- a/config/examples/Geeetech/A20M/Configuration.h
+++ b/config/examples/Geeetech/A20M/Configuration.h
@@ -682,14 +682,14 @@
  * Override with M92
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80.3, 80.8, 400, 430 }
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 430 }
 
 /**
  * Default Max Feed Rate (mm/s)
  * Override with M203
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_MAX_FEEDRATE          { 400, 400, 40, 45 }
+#define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
 /**
  * Default Max Acceleration (change/s) change = mm/s
@@ -697,7 +697,7 @@
  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4[, E5]]]]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 40, 5000 }
+#define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
 /**
  * Default Acceleration (change/s) change = mm/s
@@ -707,9 +707,9 @@
  *   M204 R    Retract Acceleration
  *   M204 T    Travel Acceleration
  */
-#define DEFAULT_ACCELERATION          1000    // X, Y, Z and E acceleration for printing moves
-#define DEFAULT_RETRACT_ACCELERATION  2000    // E acceleration for retracts
-#define DEFAULT_TRAVEL_ACCELERATION   1000    // X, Y, Z acceleration for travel (non printing) moves
+#define DEFAULT_ACCELERATION          500    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION  500    // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   500    // X, Y, Z acceleration for travel (non printing) moves
 
 //
 // Use Junction Deviation instead of traditional Jerk Limiting
@@ -984,8 +984,8 @@
 // @section machine
 
 // The size of the print bed
-#define X_BED_SIZE 250
-#define Y_BED_SIZE 250
+#define X_BED_SIZE 255
+#define Y_BED_SIZE 255
 
 // Travel limits (mm) after homing, corresponding to endstop positions.
 #define X_MIN_POS -10