diff --git a/config.g b/config.g
index 11310a1..46ae74c 100644
--- a/config.g
+++ b/config.g
@@ -14,7 +14,7 @@ M569 P0.1 S0 D3                         ; physical drive 0.1 goes backwards
 M569 P0.2 S0 D3                         ; physical drive 0.2 goes backwards 
 M569 P0.3 S1 D3                         ; physical drive 0.3 goes forwards
 M569 P0.4 S1 D3                         ; physical drive 0.4 goes forwards
-M569 P0.5 S1 D3                         ; physical drive 0.5 goes forwards
+M569 P0.5 S0 D3                         ; physical drive 0.5 goes backwards
 M584 X0.4 Y0.3 Z0.0:0.1:0.2 E0.5        ; set drive mapping
 M350 X16 Y16 Z16 E16 I1                 ; configure microstepping with interpolation
 
@@ -49,14 +49,14 @@ M950 H0 C"out1" T0                                 ; create bed heater output on
 M307 H0 B0 S1.00                                   ; disable bang-bang mode for the bed heater and set PWM limit
 M140 H0                                            ; map heated bed to heater 0
 M143 H0 S120                                       ; set temperature limit for heater 0 to 120C
-M307 H0 A303.1 C356.7 D1.4 S1.00 V24.0 B0          ; PID tune for "Bed"
+;M307 H0 A303.1 C356.7 D1.4 S1.00 V24.0 B0          ; PID tune for "Bed"
 
 ;; HotEnd
 M308 S1 P"temp1" Y"thermistor" T100000 B4725 C7.060000e-8 A"Hotend"       ; configure sensor 1 as thermistor on pin temp1
 M950 H1 C"out2" T1                                 ; create nozzle heater output on out2 and map it to sensor 1
 M307 H1 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
-M143 H1 S280                                       ; set temperature limit for heater 1 to 280C
-M307 H1 A751.5 C196.6 D4.7 S1.00 V23.9 B0          ; run PID tune for Hotend
+M143 H1 S250                                       ; set temperature limit for heater 1 to 250C
+;M307 H1 A751.5 C196.6 D4.7 S1.00 V23.9 B0          ; run PID tune for Hotend
 
 ; Fans
 M950 F0 C"out7" Q500                               ; create fan 0 on pin out7 and set its frequency
@@ -65,7 +65,7 @@ M950 F1 C"out4"                                    ; create fan 1 on pin out4
 M106 P1 C"Layer fan" S1 H-1                        ; set fan 1 value. Thermostatic control is turned off
 
 ; Tools
-M563 P0 D0 H1 F0:1                                 ; define tool 0
+M563 P0 D0 H1 F1                                   ; define tool 0
 G10 P0 X0 Y0 Z0                                    ; set tool 0 axis offsets
 G10 P0 R0 S0                                       ; set initial tool 0 active and standby temperatures to 0C
 
@@ -74,6 +74,6 @@ G10 P0 R0 S0                                       ; set initial tool 0 active a
 ; Miscellaneous
 M575 P1 S1 B57600                                  ; enable support for PanelDue
 M501                                               ; load saved parameters from non-volatile memory
-M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
+M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set tension thresholds and actions to run on power loss
 M404 N1.75 D0.4                                    ; Filament width and nozzle diameter
-
+T0                                                 ; Define default tool