diff --git a/default-skr/README.md b/default-skr/README.md
index 1c4f4fc..0346ac6 100644
--- a/default-skr/README.md
+++ b/default-skr/README.md
@@ -2,4 +2,57 @@
 
 - firmware.bin est le firm sans bltouch au 20/06/20
 - firmware.bin est le firm avec bltouch au 20/06/20
-- firmware.cur est le firm présend sur la SD fournie avec la carte 
\ No newline at end of file
+- firmware.cur est le firm présend sur la SD fournie avec la carte 
+
+# Valeurs par défaut
+
+```
+Send: M503
+Recv: echo:  G21    ; Units in mm (mm)
+Recv: echo:  M149 C ; Units in Celsius
+Recv: 
+Recv: echo:; Filament settings: Disabled
+Recv: echo:  M200 D1.75
+Recv: echo:  M200 D0
+Recv: echo:; Steps per unit:
+Recv: echo: M92 X80.00 Y80.00 Z400.00 E93.00
+Recv: echo:; Maximum feedrates (units/s):
+Recv: echo:  M203 X500.00 Y500.00 Z5.00 E25.00
+Recv: echo:; Maximum Acceleration (units/s2):
+Recv: echo:  M201 X500.00 Y500.00 Z100.00 E5000.00
+Recv: echo:; Acceleration (units/s2): P<print_accel> R<retract_accel> T<travel_accel>
+Recv: echo:  M204 P500.00 R500.00 T500.00
+Recv: echo:; Advanced: B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate> J<junc_dev>
+Recv: echo:  M205 B20000.00 S0.00 T0.00 J0.08
+Recv: echo:; Home offset:
+Recv: echo:  M206 X0.00 Y0.00 Z0.00
+Recv: echo:; Auto Bed Leveling:
+Recv: echo:  M420 S0 Z0.00
+Recv: echo:  G29 W I0 J0 Z0.18500
+Recv: echo:  G29 W I1 J0 Z0.15250
+Recv: echo:  G29 W I2 J0 Z0.31750
+Recv: echo:  G29 W I0 J1 Z0.23000
+Recv: echo:  G29 W I1 J1 Z0.17500
+Recv: echo:  G29 W I2 J1 Z0.17500
+Recv: echo:  G29 W I0 J2 Z0.27250
+Recv: echo:  G29 W I1 J2 Z0.12250
+Recv: echo:  G29 W I2 J2 Z0.18500
+Recv: echo:; Material heatup parameters:
+Recv: echo:  M145 S0 H195 B60 F255
+Recv: echo:  M145 S1 H240 B110 F255
+Recv: echo:; PID settings:
+Recv: echo:  M301 P21.73 I1.54 D76.55
+Recv: echo:; Power-Loss Recovery:
+Recv: echo:  M413 S1
+Recv: echo:; Z-Probe Offset (mm):
+Recv: echo:  M851 X-25.00 Y-20.00 Z-1.85
+Recv: echo:; Stepper driver current:
+Recv: echo:  M906 X580 Y580 Z580
+Recv: echo:  M906 T0 E650
+Recv: 
+Recv: echo:; Driver stepping mode:
+Recv: echo:  M569 S1 X Y Z
+Recv: echo:  M569 S1 T0 E
+Recv: echo:; Linear Advance:
+Recv: echo:  M900 K0.00
+```
\ No newline at end of file
diff --git a/default-skr/firmware-bltouch-for-z-homing.bin b/default-skr/firmware-bltouch-for-z-homing.bin
new file mode 100644
index 0000000..2f5db31
Binary files /dev/null and b/default-skr/firmware-bltouch-for-z-homing.bin differ