serial device support should be commented out by default.

iocBoot/iocxxx/softioc/async_pid_slow.substitutions

-# This file demonstrates slow feedback.  The initial INP and OUT assume the first channel
-# of an IP330 ADC connected to the first channel of a DAC128V DAC.
-file "$(STD)/stdApp/Db/async_pid_control.db"
-{
-pattern
-{P,      PID,              INP,        OUT, LOPR,   HOPR,  DRVL, DRVH,  PREC,      KP,  KI,   KD,  SCAN}
-{xxx:,   async_pid_slow, xxx:userCalcOut10, xxx:userCalcOut10.A,    0,    100,     0,    5,     3,     0.2,  3.,   0.,  ".1 second"}
-}
-

iocBoot/iocxxx/softioc/serial.cmd

@@ -27,10 +27,10 @@ iocshLoad("$(IP)/iocsh/loadSerialComm.iocsh", "P=$(PREFIX), PORT0=serial1, PORT1
 #iocshLoad("$(IP)/iocsh/Keithley_2k_serial.iocsh", "PREFIX=$(PREFIX), INSTANCE=D1, PORT=serial1, NUM_CHANNELS=22, MODEL=2700")
 
 # serial 2 connected to Newport MM4000 at 38400 baud
-iocshLoad("$(MOTOR)/iocsh/Newport_MM4000.iocsh", "PORT=serial2, CONTROLLER=0, POLL_RATE=10, MAX_CONTROLLERS=1")
+#iocshLoad("$(MOTOR)/iocsh/Newport_MM4000.iocsh", "PORT=serial2, CONTROLLER=0, POLL_RATE=10, MAX_CONTROLLERS=1")
 
 # serial 3 is connected to the ACS MCB-4B at 9600 baud
-iocshLoad("$(MOTOR)/iocsh/ACS_MCB4B.iocsh", "PORT=serial3, CONTROLLER=0, POLL_RATE=100, NUM_AXES=1")
+#iocshLoad("$(MOTOR)/iocsh/ACS_MCB4B.iocsh", "PORT=serial3, CONTROLLER=0, POLL_RATE=100, NUM_AXES=1")
 #iocshLoad("$(MOTOR)/iocsh/Newport_PM500.iocsh",  "PORT=serial3, CONTROLLER=0, POLL_RATE=10, MAX_CONTROLLERS=1")
 
 # serial 4 not connected for now