Roland GI-20 Driver Ver.1.1.0 for Windows XP / Windows 2000 For Product(s): GI-20 This is the Roland GI-20 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