UMIDI(4) | Device Drivers Manual | UMIDI(4)

# NAME

`umidi` — USB MIDI devices

# SYNOPSIS

`umidi* at uhub?`
`midi* at umidi?`

# DESCRIPTION

The `umidi` driver supports USB MIDI devices that follow the USB MIDI standard. It also supports the following vendor specific devices:

Roland UM1
Yamaha UX256
Yamaha UX96
other Yamaha MIDI devices (hopefully)

The `umidi` driver is accessible through the midi(4) driver.

# SEE ALSO

midi(4), uhub(4), usb(4)

# HISTORY

The `umidi` driver appeared in OpenBSD 3.2.

# CAVEATS

Some USB MIDI devices provide a switch for selecting between a vendor specific mode and standard USB MIDI mode. Selecting standard USB MIDI mode may allow a device to attach as `umidi` rather than ugen(4). This is particularly true for Roland branded devices.

June 26, 2008 | Debian