ttySx
24M         1200 - 57600
22.1184M    1200 - 115200
16M         1200 - 38400
12M         1200 - 38400
11.0592M    1200 - 115200
8M          1200 - 19200
6M          1200 - 38400
4M          1200 - 9600

ttyUSBx (PL2303)
24M         1200 - 57600
22.1184M    1200 - 115200
16M         1200 - 38400
12M         1200 - 38400
11.0592M    1200 - 115200
8M          1200 - 19200
6M          1200 - 38400
4M          1200 - 4800

ttyUSBx (HL340)
24M         2400 - 38400
22.1184M    2400 - 38400  115200  
16M         2400 - 38400
12M         2400 - 4800
11.0592M    2400 - 4800
8M          2400 - 4800
6M          2400
4M          2400