diff --git a/SD-image/sys/config.g b/SD-image/sys/config.g
index 55341e6..49738b1 100644
--- a/SD-image/sys/config.g
+++ b/SD-image/sys/config.g
@@ -1,6 +1,6 @@
 ; RepRapPro Ormerod
 ; Standard configuration G Codes
-M111 S1; Debug on
+M111 S0; Debug off
 M550 POrmerod; Set the machine's name
 M551 Preprap; Set the password
 M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0xED ; Set the MAC address
@@ -15,4 +15,6 @@ M83 ; Extrusions relative
 M558 P1 ; Turn Z Probe on
 G31 Z0.5 P500 ; Set Z probe height and threshold
 M906 X800 Y800 Z800 E800 ; Motor currents (mA)
-T0 ; Select extruder 0
+M201 X1000 Y1000 Z15 E1000; acceleration tweaks for improved finish
+M203 X15000 Y15000 Z300 E3600; speed tweaks for improved finish
+T1 ; Select head 1