diff --git a/MY_RUN/KTEST/009_ICARTT/001_pgd1/PRE_PGD1.nam b/MY_RUN/KTEST/009_ICARTT/001_pgd1/PRE_PGD1.nam
index 14f8b033b38a6397d2d1c4381dad0661d789f5df..9a8d418333dd5d8fedf2630ff9a9a749cccb9fb5 100644
--- a/MY_RUN/KTEST/009_ICARTT/001_pgd1/PRE_PGD1.nam
+++ b/MY_RUN/KTEST/009_ICARTT/001_pgd1/PRE_PGD1.nam
@@ -1,3 +1,7 @@
+&NAM_CONFIO  LCDF4=T, LLFIOUT=T, LLFIREAD=F /
+&NAM_CONF_PGD  
+    !JPHEXT = 3 , NHALO_MNH = 3 
+    /
 &NAM_PGDFILE CPGDFILE='ICARTT1008_PGD_15km',NHALO=15 /
 &NAM_CONF_PROJ
  XLAT0=45., XLON0=-80., XRPK=1., XBETA=0. /
diff --git a/MY_RUN/KTEST/009_ICARTT/002_arp2lfi/PRE_REAL1.nam b/MY_RUN/KTEST/009_ICARTT/002_arp2lfi/PRE_REAL1.nam
index 1976db9a714c0bd350dab65bc5750affabf5458b..6c9c0b5a071611299d2c4ae023fbd8312006acb6 100644
--- a/MY_RUN/KTEST/009_ICARTT/002_arp2lfi/PRE_REAL1.nam
+++ b/MY_RUN/KTEST/009_ICARTT/002_arp2lfi/PRE_REAL1.nam
@@ -1,3 +1,7 @@
+&NAM_CONFIO  LCDF4=T, LLFIOUT=T, LLFIREAD=F /
+&NAM_REAL_CONF  
+               !JPHEXT=3 , NHALO=3 
+               /
 &NAM_CONFZ
  ! NZ_VERB=5 , NZ_PROC=0 , NB_PROCIO_R=1 , NB_PROCIO_W=8
  /
diff --git a/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src b/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
index efccd509337285134b5b034c66d6a7e11b5360fa..56b103f5893442392fa11f3d65fe6d8ae2ec9eb5 100644
--- a/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
+++ b/MY_RUN/KTEST/009_ICARTT/003_mesonh/EXSEG1.nam.src
@@ -1,3 +1,4 @@
+&NAM_CONFIO  LCDF4=T, LLFIOUT=T, LLFIREAD=F /
 &NAM_CONFZ
  ! NZ_VERB=5 , NZ_PROC=0 , NB_PROCIO_R=8 , NB_PROCIO_W=1
 /
@@ -47,7 +48,9 @@
                 XATOL    = 1.E2 /
 &NAM_CONF  CCONF = "START", LFLAT = F, CEQNSYS = "DUR",
             NMODEL = 1, NVERB = 1, CEXP = "ICART", CSEG = "SEG01" ,
-            CSPLIT="BSPLITTING" /
+            CSPLIT="BSPLITTING"
+            !NHALO=3 JPHEXT=3  
+            /
 &NAM_DYN  XSEGLEN = 7200, XASSELIN = 0.2, LCORIO = T, LNUMDIFU = T,
           XALKTOP = 0.005, XALZBOT = 14000. /
 &NAM_NESTING   /