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 4564907fa873c7f37412d5e6335b146c7882c1b4..904a4556007e3b20f2a7ae18282fc31c4c8a439b 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 9c561b7a9fdfd29760e658ee09ed731ab4b2851b..b03f18d1219201d789d1c70e1dced3e84a932990 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 5c5e01afe2aec3f97c30c6c395e691b906f53d10..864510c9a938a162efc5947ee5453566b5a2a12f 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 686c942db56ca7bcabde3f4122900c3f7d8bbc44..904a4556007e3b20f2a7ae18282fc31c4c8a439b 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