EDIROL (RolandED) SK-500 USB Driver Ver.1.3.0 for Windows 98 / Windows Me For Product(s): SK-500 This is an Roland SK-500 driver for Microsoft(R) Windows(R) 98 / Microsoft(R) Windows(R) Me. Features Multiclient support As many as four applications can simultaneously use each MIDI OUT/MIDI IN port. For Operating System(s): WindowsMe / Windows98