diff --git a/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf b/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf
index 4564907fa8..904a455600 100644
--- a/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf
+++ b/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf
@@ -148,7 +148,7 @@ gNBs =
 # ssb_PositionsInBurs_BitmapPR
 # 1=short, 2=medium, 3=long
       ssb_PositionsInBurst_PR                                       = 2;
-      ssb_PositionsInBurst_Bitmap                                   = 255;
+      ssb_PositionsInBurst_Bitmap                                   = 1;
 
 # ssb_periodicityServingCell
 # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1 
@@ -238,7 +238,7 @@ RUs = (
          max_rxgain                    = 114;
          eNB_instances  = [0];
 	 sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2";
-         clock_src = "external";
+         #clock_src = "external";
     }
 );  
 
diff --git a/ci-scripts/rrc-files/rbconfig.raw b/ci-scripts/rrc-files/rbconfig.raw
index 9c561b7a9f..b03f18d121 100644
Binary files a/ci-scripts/rrc-files/rbconfig.raw and b/ci-scripts/rrc-files/rbconfig.raw differ
diff --git a/ci-scripts/rrc-files/reconfig.raw b/ci-scripts/rrc-files/reconfig.raw
index 5c5e01afe2..864510c9a9 100644
Binary files a/ci-scripts/rrc-files/reconfig.raw and b/ci-scripts/rrc-files/reconfig.raw differ
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
index 686c942db5..904a455600 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
@@ -148,7 +148,7 @@ gNBs =
 # ssb_PositionsInBurs_BitmapPR
 # 1=short, 2=medium, 3=long
       ssb_PositionsInBurst_PR                                       = 2;
-      ssb_PositionsInBurst_Bitmap                                   = 255;
+      ssb_PositionsInBurst_Bitmap                                   = 1;
 
 # ssb_periodicityServingCell
 # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1