diff --git a/pypcc/testing/check_ip.py b/pypcc/testing/check_ip.py
index 9d1c268080ee45d07d3ddda2b09da8e125227e33..c9f013c010a6ba79b6d377c2b0cf51f547e85685 100644
--- a/pypcc/testing/check_ip.py
+++ b/pypcc/testing/check_ip.py
@@ -13,7 +13,8 @@ import subprocess
 
 import RPi.GPIO as GPIO
 def get_LMP_ID():
-    pins=[21,20,16,12,7,8]
+#    pins=[21,20,16,12,7,8]
+    pins=[7,8,16,12,21] #ID5..1, ID0 (GPIO 20)=UNB
     Npins=len(pins);
     GPIO.setmode(GPIO.BCM)
     for i,pin in enumerate(pins):
diff --git a/pypcc/testing/lmp_id.py b/pypcc/testing/lmp_id.py
index c0466c3a389e6f3f01e66d8b03ee76b6eea25ebc..b346a51e8b36b9b999f973d561de54de280a6b75 100644
--- a/pypcc/testing/lmp_id.py
+++ b/pypcc/testing/lmp_id.py
@@ -1,7 +1,8 @@
 import RPi.GPIO as GPIO
 
 def get_LMP_ID():
-    pins=[21,20,16,12,7,8]
+#    pins=[21,20,16,12,7,8]
+    pins=[7,8,16,12,21] #ID5..1, ID0 (GPIO 20)=UNB
     Npins=len(pins);
     GPIO.setmode(GPIO.BCM)
     for i,pin in enumerate(pins):