Roland XV-5050 Driver Ver.1.2.0 for Windows XP / Windows 2000 For Product(s): XV-5050 This is the Roland XV-5050 driver for Microsoft(R) Windows(R) XP Home Edition/Professional and Microsoft(R) Windows(R) 2000 Professional. Features Multiclient support As many as four applications can simultaneously use each MIDI OUT/MIDI IN port. For Operating System(s): WindowsXP / Windows2000