diff --git a/iocBoot/iocCygwin/st.cmd b/iocBoot/iocCygwin/st.cmd
index 9035ddf8d08848eea2f31535933eca7beb245429..9c8d1dd58c26fdad21bd6f596d2fd4e6adfea039 100644
--- a/iocBoot/iocCygwin/st.cmd
+++ b/iocBoot/iocCygwin/st.cmd
@@ -14,6 +14,9 @@ errlogInit(20000)
 # plot doesn't display
 #epicsEnvSet EPICS_CA_MAX_ARRAY_BYTES 64008
 
+# set the protocol path for streamDevice
+epicsEnvSet STREAM_PROTOCOL_PATH ".:$(STREAM)/protocols"
+
 ################################################################################
 # Tell EPICS all about the record types, device-support modules, drivers,
 # etc. in the software we just loaded (xxx.munch)
@@ -39,6 +42,9 @@ dbLoadTemplate("pseudoMotor.substitutions")
 # Several versions (e.g., all_com_32.db) are in stdApp/Db
 #dbLoadRecords("$(STD)/stdApp/Db/all_com_16.db","P=xxx:")
 
+### streamDevice example
+#dbLoadRecords("$(TOP)/xxxApp/Db/streamExample.db","P=xxx:,PORT=serial1")
+
 ### Insertion-device control
 #dbLoadRecords("$(STD)/stdApp/Db/IDctrl.db","P=xxx:,xx=02us")