diff --git a/iocs/acsIOC/iocBoot/iocAcs/motor.substitutions.mcb4b b/iocs/acsIOC/iocBoot/iocAcs/motor.substitutions.mcb4b
index de1d732..e5665d1 100644
--- a/iocs/acsIOC/iocBoot/iocAcs/motor.substitutions.mcb4b
+++ b/iocs/acsIOC/iocBoot/iocAcs/motor.substitutions.mcb4b
@@ -2,8 +2,5 @@ file "$(MOTOR)/db/basic_asyn_motor.db"
 {
 pattern
 {P,    N,   M,         DTYP,     PORT, ADDR,  DESC,     EGU,   DIR,   VELO,  VBAS, ACCL, BDST, BVEL, BACC,    MRES, PREC,   DHLM, DLLM, INIT}
-{IOC:, 1, "m$(N)", "asynMotor",  MCB4B1,  0, "Bottom",   mm,   Pos,    2.0,   0.1,  .2,    0,    1,   .2,    -.001,    3,   16,    0,    ""}
-{IOC:, 2, "m$(N)", "asynMotor",  MCB4B1,  1, "Top",      mm,   Pos,    2.0,   0.1,  .2,    0,    1,   .2,    -.001,    3,   16,    0,    ""}
-{IOC:, 3, "m$(N)", "asynMotor",  MCB4B1,  2, "Inboard",  mm,   Pos,    2.0,   0.1,  .2,    0,    1,   .2,    -.001,    3,   16,    0,    ""}
-{IOC:, 4, "m$(N)", "asynMotor",  MCB4B1,  3, "Outboard", mm,   Pos,    2.0,   0.1,  .2,    0,    1,   .2,    -.001,    3,   16,    0,    ""}
+{DSM:, 0, "m$(N)", "asynMotor",  MCB4B0,  0, "Bottom",   mm,   Pos,    2.0,   0.1,  .2,    0,    1,   .2,    -.001,    3,   16,    0,    ""}
 }
diff --git a/iocs/acsIOC/iocBoot/iocAcs/st.cmd.mcb4b b/iocs/acsIOC/iocBoot/iocAcs/st.cmd.mcb4b
index d072557..65a4535 100644
--- a/iocs/acsIOC/iocBoot/iocAcs/st.cmd.mcb4b
+++ b/iocs/acsIOC/iocBoot/iocAcs/st.cmd.mcb4b
@@ -6,29 +6,33 @@ dbLoadDatabase("../../dbd/acs.dbd")
 acs_registerRecordDeviceDriver(pdbbase)
 
 # Port 2 on a Moxa
-drvAsynIPPortConfigure("serial1", "192.168.1.16:4002",0,0,0)
+#!drvAsynIPPortConfigure("serial0", "192.168.1.16:4002",0,0,0)
 # Local serial port
-#!drvAsynSerialPortConfigure("serial1", "/dev/ttyS0", 0, 0, 0)
-asynOctetSetInputEos("serial1",0,"\r")
-asynOctetSetOutputEos("serial1",0,"\r")
-asynSetTraceIOMask("serial1", 0, 2)
-#asynSetTraceMask("serial1", 0, 255)
+#!drvAsynSerialPortConfigure("serial0", "/dev/ttyS0", 0, 0, 0)
+drvAsynSerialPortConfigure("serial0", "/tmp/motorport", 0, 0, 0)
+asynSetOption("serial0", 0, "baud", "115200")
+asynSetOption("serial0", 0, "bits", "8")
+asynSetOption("serial0", 0, "parity", "none")
+asynSetOption("serial0", 0, "stop", "1")
 
-MCB4BCreateController("MCB4B1", "serial1", 4, 100, 5000)
+# not sure if these two are needed or what they should be set to:
+#!asynSetOption("serial0", 0, "clocal", "Y")
+#!asynSetOption("serial0", 0, "crtscts", "Y")
+
+asynOctetSetInputEos("serial0", 0, "\r")
+asynOctetSetOutputEos("serial0", 0, "\r")
+asynSetTraceIOMask("serial0", 0, 2)
+#asynSetTraceMask("serial0", 0, 255)
+
+MCB4BCreateController("MCB4B0", "serial0", 1, 100, 5000)
 
 ### Motors
 dbLoadTemplate "motor.substitutions.mcb4b"
 
-dbLoadRecords("$(ASYN)/db/asynRecord.db","P=IOC:,R=serial1,PORT=serial1,ADDR=0,OMAX=80,IMAX=80")
+dbLoadRecords("$(ASYN)/db/asynRecord.db", "P=DSM:,R=serial0,PORT=serial0,ADDR=0,OMAX=80,IMAX=80")
 
 iocInit
 
 # This IOC does not use save/restore, so set values of some PVs
-dbpf("IOC:m1.RTRY", "0")
-dbpf("IOC:m1.TWV", "0.1")
-dbpf("IOC:m2.RTRY", "0")
-dbpf("IOC:m2.TWV", "0.1")
-dbpf("IOC:m3.RTRY", "0")
-dbpf("IOC:m3.TWV", "0.1")
-dbpf("IOC:m4.RTRY", "0")
-dbpf("IOC:m4.TWV", "0.1")
+dbpf("DSM:m0.RTRY", "0")
+dbpf("DSM:m0.TWV", "0.1")