MPU(4) Device Drivers Manual MPU(4)

mpu — Roland/Yamaha MPU401 MIDI UART device

mpu* at isa? port 0x300
mpu* at isapnp?
midi* at mpu?

The mpu driver provides support for the Roland/Yamaha MPU401 (and compatible) MIDI UART cards.

Access to the device is through the MIDI driver.

isa(4), midi(4)

The mpu device driver appeared in OpenBSD 2.6.

OpenBSD 7.8 March 19, 2009 MPU(4)