Baud Rate High Byte Low Byte ------------------------------ 110 04h 17h 300 01h 80h 1200 00h 60h 2400 00h 30h 4800 00h 18h 9600 00h 0Ch 19200 00h 06h 38400 00h 03h * 57600 00h 02h * 115200 00h 01h* Some older serial cards/UARTs may not operate reliably past 19200 bps.