These options universal. I worked in many programs on speed 8192, and also on speeds 10400, 10472 (viewtopic.php?f=3&t=30&start=90). I made tests on 5 chipset of PL 2303 (H, HX, X, HXD chip version) and only one did not begin to work. That which without letters after 2303
Learn sets the speed by using the monitoring program requests to COM-ports, for example
https://www.eltima.com/products/serial-port-monitor/. To do this:
• before the opening of a diagnostic run-monitor mode of the monitor port and choose the COM-port, which is used diagnostic program;
• select the presentation, which shows all the requests and responses from the driver COM-port (for example, "Table");
• Open a diagnostic program and try to briefly connect;
• return to the monitor ports;
• found in the log exchange request «Set baud rate» and transfer data rate from the field "Data" from hexadecimal to decimal format. Note that the first is the low byte value of the velocity:
Data: 00 20 00 00.
The velocity in hexadecimal: 00 00 20 00.
In decimal representation - 8192.