Add remark on tse sim model.

boards/uniboard2c/designs/unb2c_test/revisions/unb2c_test_1GbE_II/tb_unb2c_test_1GbE_II.vhd

@@ -37,7 +37,12 @@
 -- > run -a (or run 1 ms)
 -- . use -n 10000 packets/s to have 1 packet per BG sync interval of 100 us in sim
 -- > tc_unb2_test_eth.py --gn2 0 --stream 4 --dest loopback -r 10000 --sizes 1000 --interval 100 --scheme tx_rx --sim
--- stop simulation.
+-- . stop simulation.
+--
+-- Remark:
+-- . To run with sim_tse or tech_tse use g_sim_level = 1 or 0 for u_eth_stream
+--   in unb2c_test. The tech_tse also models the MM setup. Default use sim_tse
+--   for faster sim.
 
 LIBRARY IEEE;
 USE IEEE.std_logic_1164.ALL;