diff --git a/boards/uniboard1/designs/unb1_terminal_bg_mesh_db/src/vhdl/node_unb1_terminal_bg_mesh_db.vhd b/boards/uniboard1/designs/unb1_terminal_bg_mesh_db/src/vhdl/node_unb1_terminal_bg_mesh_db.vhd
index 2666210f0f9095b243a2a8c29fc041dffe59dc6e..c6ea92794f33cd936adbcc890e040ebef90a66bb 100644
--- a/boards/uniboard1/designs/unb1_terminal_bg_mesh_db/src/vhdl/node_unb1_terminal_bg_mesh_db.vhd
+++ b/boards/uniboard1/designs/unb1_terminal_bg_mesh_db/src/vhdl/node_unb1_terminal_bg_mesh_db.vhd
@@ -51,7 +51,7 @@ ENTITY node_unb1_terminal_bg_mesh_db IS
     g_nof_bus                 : NATURAL := 4;      -- one bus to each of the 4 nodes on the other side of the mesh
     -- User
     g_usr_use_complex         : BOOLEAN := FALSE;  -- when TRUE transport sosi im & re fields via DP data, else transport sosi data via DP data
-    g_usr_data_w              : NATURAL := 32;     -- <= 32, to avoid need for DP packet data packing and to fit on the tr_nonbonded PHY data width of 32 bit
+    g_usr_data_w              : NATURAL := 16;     -- <= 32, to avoid need for DP packet data packing and to fit on the tr_nonbonded PHY data width of 32 bit
     g_usr_frame_len           : NATURAL := 20;
     g_usr_nof_streams         : NATURAL := 3;      -- number of user streams per bus
     -- Phy
@@ -147,6 +147,7 @@ ARCHITECTURE str OF node_unb1_terminal_bg_mesh_db IS
   CONSTANT c_bg_nof_streams          : NATURAL := g_nof_bus * g_usr_nof_streams; -- 4 x 3 = 12
   CONSTANT c_in_dat_w                : NATURAL := g_usr_data_w;
   CONSTANT c_bg_addr_w               : NATURAL := 7;
+  CONSTANT c_file_name_prefix        : STRING  := "hex/bg_in_data";
   
   -----------------------------------------------------------------------------
   -- Terminals
@@ -173,7 +174,7 @@ ARCHITECTURE str OF node_unb1_terminal_bg_mesh_db IS
   -- Data Buffer
   -----------------------------------------------------------------------------
   CONSTANT c_db_nof_streams          : NATURAL := c_bg_nof_streams; 
-  CONSTANT c_db_nof_data             : NATURAL := 1024;
+  CONSTANT c_db_nof_data             : NATURAL := 128;
 
   --. Block generator
   SIGNAL bg_snk_out_arr           : t_dp_siso_arr(c_bg_nof_streams-1 DOWNTO 0);
@@ -225,7 +226,7 @@ BEGIN
     g_use_bg_buffer_ram  => TRUE,
     g_buf_dat_w          => c_nof_complex*c_in_dat_w, 
     g_buf_addr_w         => c_bg_addr_w,        
-    g_file_name_prefix   => "UNUSED",
+    g_file_name_prefix   => c_file_name_prefix, 
     -- User input multiplexer option
     g_usr_bypass_xonoff  => FALSE
   )