G1 X1 Y0
M106 S54.7529
G1 X1.1 Y0
M106 S54.1882
G1 X1.2 Y0
M106 S54.5647
G1 X1.3 Y0
M106 S53.8118
G1 X1.4 Y0
M106 S53.8118
G1 X1.5 Y0
M106 S53.0588
G1 X1.6 Y0
M106 S53.8118
G1 X1.7 Y0
M106 S53.4353
G1 X1.8 Y0
M106 S53.2471
G1 X1.9 Y0
M106 S53.2471
G1 X2 Y0

MATHS for 800
21 commands per mm
800 mm per minute

280 commands per second

Serial
800 is OK (280)
900 is OK (315)



~300 commands per second max over USB

SD (seems independant of if PC is hooked up or not)
1000mm/min is OK (350 cmd/sec)
1500mm/min NOT ok (525 cmd/sec)
1250mm/min NOT ok (438 cmd/sec)
1150mm/min NOT ok (403 cmd/sec)
1100mm/min is ok (385 cmd/sec)