diff --git a/startup.script_common b/startup.script_common
index 118f0d7..9455a45 100644
--- a/startup.script_common
+++ b/startup.script_common
@@ -60,9 +60,9 @@ putenv "EPICS_TS_NTP_INET=129.129.190.1"
 # Release memory above 32 MB
 # Code loaded after this must be compiled with -mlongcall
 # at the moment snp24 does not work with this
-#memAddToPool (sysMemTop(),sysPhysMemTop()-sysMemTop())
-#EXTENDED_MEMORY=0
-EXTENDED_MEMORY=sysPhysMemTop()-sysMemTop()
+memAddToPool (sysMemTop(),sysPhysMemTop()-sysMemTop())
+EXTENDED_MEMORY=0
+#EXTENDED_MEMORY=sysPhysMemTop()-sysMemTop()
 
 
 # load EPICS system core (different names for 3.13 and 3.14)