diff --git a/m_fdm_calc.f90 b/m_fdm_calc.f90
index b12a2c0..c08e88b 100644
--- a/m_fdm_calc.f90
+++ b/m_fdm_calc.f90
@@ -11,7 +11,7 @@ module m_fdm_calc
       real*8, dimension(:,:,:,:), allocatable :: y1,y2,yf
  
       real*8 :: in_yr,out_yr,refwr,minf
-      integer :: fullsavenum,svfx,svfy
+      integer :: fullsavenum   !,svfx,svfy
       integer :: fdmcyc,fdmsavecount
       real*8 :: fdmtime,fdmdt
       real*8 :: sumc,oldsumc,time_int,sum_wrate
@@ -81,21 +81,6 @@ module m_fdm_calc
 
       refwr=pre*1.*exp(-ac/(1.+bc*c_ref))  ! Kwon
 
-      if(svf.eq.0) then
-         spx=1
-         spy=1
-         svfx=nx     !nx
-         svfy=ny     !ny
-      else
-         svfx=0
-         svfy=0
-         do i=2,nx,spx
-          svfx=svfx+1   ! # of points in x-dir. in 3D_field.dat
-         enddo
-         do i=2,ny,spy
-          svfy=svfy+1   ! # of points in y-dir. in 3D_field.dat
-         enddo
-      endif
 
 
 !FDM normal start==================================
diff --git a/m_parameters.f90 b/m_parameters.f90
index 3d6a1c6..6cf8a1d 100644
--- a/m_parameters.f90
+++ b/m_parameters.f90
@@ -109,12 +109,12 @@ module m_parameters
 !!----------------------------------------------------------------------
 
 ! FDM variables
-  integer :: svf,swadtv,restartnum
+  integer :: swadtv,restartnum
   integer :: inx1,inx2,yrsw
   real*8 :: ac,bc,c_cut,c_ref,min_wr,prof_wr,hx,hy,diff,pre
   real*8 :: dt_fullsave,dt_fdmsave,t_fullsave,t_fdmsave
   real*8 :: fdmcfl,startad,dummyu_,schmidt
-  real*8 :: tar_lo
+  real*8 :: bgn_save
 
 ! files for statistics
   integer, parameter :: tp_stat = 690
@@ -276,7 +276,7 @@ contains
     write(out,'(a30,3x,3i5)') 'spx,spy,spz',spx,spy,spz
 
     read(in,*,ERR=9000,END=9000) fdm_sw
-    write(out,'(a30,3x,i5)') 'WRITE_FDM=  ',fdm_sw
+    write(out,'(a30,3x,i5)') 'fdm_sw=  ',fdm_sw
 
     read(in,*)
     write(out,"(70('-'))")
@@ -320,7 +320,7 @@ contains
     write(out,"(70('-'))")
 
     ITMAX=int(TMAX/dt)
-    write(out,'(a30,3x,i5)') 'ITMAX =',ITMAX
+    write(out,'(a30,3x,i8)') 'ITMAX =',ITMAX
 
     call flush(out)
 
@@ -513,8 +513,8 @@ contains
     read(in,*)
 
 
-    read(in,*,ERR=9000,END=9000) svf
-    write(out,'(a30,3x,i5)') 'svf         =',svf
+    read(in,*,ERR=9000,END=9000) bgn_save
+    write(out,'(a30,3x,f8.2)') 'bgn_save    =',bgn_save
 
     read(in,*,ERR=9000,END=9000) swadtv
     write(out,'(a30,3x,i5)') 'swadtv      =',swadtv
@@ -580,8 +580,6 @@ contains
 
     read(in,*,ERR=9000,END=9000) fdmcfl
     write(out,'(a30,3x,e20.10)') 'FDM_CFL     =',fdmcfl
-    read(in,*,ERR=9000,END=9000) tar_lo
-    write(out,'(a30,3x,e20.10)') 'tar_lo     =',tar_lo
 
    ! initialize ----------------------
       t_fdmsave=dt_fdmsave
diff --git a/main.f90 b/main.f90
index 3e91d3b..b2be667 100644
--- a/main.f90
+++ b/main.f90
@@ -208,7 +208,7 @@ program x_code
                call gather_4
                if (myid.eq.master) then
                   !write itime, savenum pair
-                  call fdm_restart_write
+                  if(TIME.ge.bgn_save) call fdm_restart_write
                   write (restart_pair, *) file_ext, fullsavenum-1
                   call write_tp_field
                end if