Crystal Frequency
ROM Loader_Baud rate = ------------------------
                        192 x( 256-Timer Reload )
  
Timer reload values attempted by the loader: FF, FE, FD, FC, FB,
FA, F8, F6, F5, F4, F3, F0, EC, EA, E8, E6, E0, DD, D8, D4, D0,
CC, C0, BA, B0, A8, A0, 98, 80, 60, 40