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64-channel MIDI Processing Unit (Super MPU64)

DriversEDIROL (RolandED) UM-4 FreeMIDI Driver Ver.2.0.1 for MacOS

This is a driver for using the UM-4 with FreeMIDI.


  • In order to use it, you will need to separately obtain FreeMIDI Version 1.35 or later.
Operating system : Mac OS 8.5 or later Computer : Apple Macintosh series having USB ports as the standard application FreeMIDI Version : 1.35 or later CPU / clock : PowerPC G3 / 233 MHz or better Memory : 64 MB or more Display resolution / colors : 640 x 480 pixels or more / 32000 colors or more Required hard disk capacity : 1 MB or more

License Agreement

Be sure to read the Safety Instructions and the License Agreement before proceeding download.

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