diff --git a/read_config b/read_config
index eee6d74..b5b0c3e 100755
--- a/read_config
+++ b/read_config
@@ -179,8 +179,9 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         else
             log_fatal "$func:${LINENO}:  $psa_update_dir does not exist"
         fi
-        
-        readonly PSA_ATB_SYS_DIR="${CUSTOMER_BASE_DIR}/etc/atb"
+       
+        readonly ATB_SYS_DIR="/etc/atb" 
+        readonly PSA_ATB_SYS_DIR="${CUSTOMER_BASE_DIR}${ATB_SYS_DIR}"
         if [ -d "$PSA_ATB_SYS_DIR" ]; then
             log_debug "$func:${LINENO}: PSA_ATB_SYS_DIR=$PSA_ATB_SYS_DIR"
         else
@@ -317,6 +318,14 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         else
             log_fatal "$func:${LINENO}: $ATB_SYSCTRL_INI_FULL does not exist"
         fi
+        
+        readonly ATB_ATBQT_INI_FULL="${PSA_ATB_SYS_DIR}/$ATBQT_INI"
+        if [ -f "$ATB_ATBQT_INI_FULL" ]; then
+            log_debug "$func:${LINENO}: ATBQT.ini="
+            log_debug "$func:${LINENO}:      $ATB_ATBQT_INI_FULL"
+        else
+            log_fatal "$func:${LINENO}: $ATB_ATBQT_INI_FULL does not exist"
+        fi
 
         readonly DC2C_SERIAL_JSON="${psa_config_dir}/DC2C_serial.json"
         if [ -f "$DC2C_SERIAL_JSON" ]; then
@@ -375,7 +384,11 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
                       ${ISMASMGR_ISMASMGR_INI_FULL##*${CUSTOMER_ID}/}       \
                       ${SYSCONFIG_ISMASMGR_INI_FULL##*${CUSTOMER_ID}/}      \
                       ${SYSCONFIG_SYSCONFIG_INI_FULL##*${CUSTOMER_ID}/}     \
-                      ${SYSCONFIG_SYSCTRL_INI_FULL##*${CUSTOMER_ID}/})
+                      ${SYSCONFIG_SYSCTRL_INI_FULL##*${CUSTOMER_ID}/}       \
+                      ${ATB_ISMASMGR_INI_FULL##*${CUSTOMER_ID}/}            \
+                      ${ATB_SYSCONFIG_INI_FULL##*${CUSTOMER_ID}/}           \
+                      ${ATB_SYSCTRL_INI_FULL##*${CUSTOMER_ID}/}             \
+                      ${ATB_ATBQT_INI_FULL##*${CUSTOMER_ID}/})
         
         readonly KNOWN_FILES=(${KNOWN_CONF_FILES[@]} \
                               ${KNOWN_INI_FILES[@]}  \