Odd. If FTDI Virtual Comm Port (VCP) drivers work but others do not, this seems like a question that FTDI should be made to answer. The USB consortium has set

Odd. If FTDI Virtual Comm Port (VCP) drivers work but others do not, this seems like a question that FTDI should be made to answer. The USB consortium has set standards for VID/PID and how USB Device Descriptors work.