What are GiO's MIDI control assignment numbers? Chris April 21, 2021 20:04 Updated Related articles Does GiO work with the latest version of macOS? How can I verify that the buttons on my GiO are transmitting data? Can GiO be connected to a computer via USB hub? GiO's LEDs are all white (no colors) with USB 3.0 connection Setting up GiO for GarageBand audio input and output Comments 0 comments Article is closed for comments.