The Cables to Go adapter is capable of operating under XP32 @ 115200 baud Which would lead me to believe that it's a driver issue with Prolific and 7/64 So, I'm after a new USB adapter.

The USB to serial adapter has a USB-A port on one end and a serial port on the other. The serial port is most commonly RS232, which is a standard that dates back to the 1960s.

i'm trying to buy a USB to RS-232 adapter for use with my M1 Mac Mini, but this is turning out to be a lot more complicated than i thought it would be. the most common devices seem to be based on ...

There are two stages, one which converts RS-232 to TTL, and the other converts TTL to USB. [André] removed the RS-232 chip and patched his own board (shown on the left) into its TTL lines.

Hagstrom Electronics, Inc. introduces their new USB-KM232 Cable. This versatile product emulates a standard USB Keyboard and Mouse device which is controlled by RS-232 communication. The USB-KM232 ...

The USB to serial adapter has a USB-A port on one end and a serial port on the other. The serial port is most commonly RS232, which is a standard that dates back to the 1960s.