Glossary of Terms:

CBX driver

A type of software created by Yamaha Corporation for PC computer serial devices, that has been made specifically to allow the computer and a Yamaha MIDI device with a To Host port to interface with each other.

Source: Yamaha

Also refered as:   To Host driver   serial driver   serial port driver

Related terms:   Firewire   Host Select switch   MIDI   To Host port   USB   extension   serial port