diff --git a/iocBoot/iocSim/start_medm b/iocBoot/iocSim/start_medm
new file mode 100755
index 00000000..9cd0cba7
--- /dev/null
+++ b/iocBoot/iocSim/start_medm
@@ -0,0 +1 @@
+medm -x -macro "P=IOC:, M1=m1, M2=m2, M3=m3, M4=m4, M5=m5, M6=m6, M7=m7, M8=m8" motor8x.adl &