S-4000R Actualizaciones y Drivers S-4000R System Update Version 1.0.2.0 Adds support for the S-2416 to the S-4000R SMF Player for Mac OS X v10.7 / OS X v10.8 / OS X v10.9 About the UpdSMF UpdSMF is a simple SMF player that runs on Mac OS X v10.7 / OS X v10.8 / OS X v10.9. This SMF player is designed to be used only for updating, and cannot be used to play back conventional SMF music data. Before using this, you must first install a MIDI driver so that MIDI data can be transmitted. For the installation procedure, refer to the documentation for your driver or application.