A-01 Updates & Drivers A-01 System Program (Ver.1.02) SMF Player for Windows 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.