diff --git a/macros/main.cfg b/macros/main.cfg
index cd990ce..3d07db8 100644
--- a/macros/main.cfg
+++ b/macros/main.cfg
@@ -227,17 +227,23 @@ gcode:
     #LCDRGB R=0 G=1 B=0  ; Turn LCD green
     PAUSE                ; Pause
 
-[gcode_macro M106] 
-rename_existing: M99106
-variable_fan_aliases: { 'exhaust_fan': ['fan3'] }
-gcode:
-    {% set fan = 'fan' + (params.P|int if params.P is defined else 0)|string %}
-    {% set speed = (params.S|float / 255 if params.S is defined else 1.0) %}
-    {% for key in fan_aliases %}
-      {% if fan in fan_aliases[key] %}
-        SET_FAN_SPEED FAN={key} SPEED={speed}    
-      {% endif %}
-    {% endfor %}
+#[gcode_macro M106] 
+#rename_existing: M99106
+#variable_fan_aliases: { 'exhaust_fan': ['fan3'] }
+#gcode:
+    #{% set fan = 'fan' + (params.P|int if params.P is defined else 0)|string %}
+    #{% set speed = (params.S|float / 255 if params.S is defined else 1.0) %}
+    #{ action_respond_info("M106 P{} S{}".format(params.P, params.S)) }
+    #{% if params.P is defined  %}
+      #{% for key in fan_aliases %}
+        #{% if fan in fan_aliases[key] %}
+          #SET_FAN_SPEED FAN={key} SPEED={speed}            
+        #{% endif %}
+      #{% endfor %}  
+    #{% else %}
+      #M99106 S{speed}
+    #{% endif %}    
+    
 
 [gcode_macro PAUSE]
 rename_existing: BASE_PAUSE
diff --git a/toolhead_sb.cfg b/toolhead_sb.cfg
index 572406d..142439e 100644
--- a/toolhead_sb.cfg
+++ b/toolhead_sb.cfg
@@ -34,10 +34,15 @@ accel_per_hz: 125
 hz_per_sec: 1
 
 [input_shaper]
-shaper_type_x: mzv
-shaper_freq_x: 51
-shaper_type_y: mzv
-shaper_freq_y: 41.6
+#shaper_type_x: mzv
+#shaper_freq_x: 51
+#shaper_type_y: mzv
+#shaper_freq_y: 41.6
+#max 4000
+shaper_type_x: 2hump_ei 
+shaper_freq_x: 74.800
+shaper_type_y: mzv 
+shaper_freq_y: 40.200 
 
 [temperature_sensor SB2209]
 sensor_type: temperature_mcu