diff --git a/iocs/dsmIOC/iocBoot/iocDsm/st.cmd.md90 b/iocs/dsmIOC/iocBoot/iocDsm/st.cmd.md90
index c40aa73..3dbb750 100644
--- a/iocs/dsmIOC/iocBoot/iocDsm/st.cmd.md90
+++ b/iocs/dsmIOC/iocBoot/iocDsm/st.cmd.md90
@@ -24,9 +24,10 @@ asynOctetSetOutputEos("serial0", 0, "\r")
 asynSetTraceIOMask("serial0", 0, 2)
 #asynSetTraceMask("serial0", 0, 255)
 
-# Turn on the power supply
+# Turn on the power supply and set the deadband
 asynOctetConnect("initConnection", "serial0", 0)
 asynOctetWrite("initConnection", "EPS")
+asynOctetWrite("initConnection", "SDB 10")
 asynOctetDisconnect('test')
 
 MD90CreateController("MD900", "serial0", 1, 100, 5000)