EDIROL (RolandED) U-8 USB Driver Ver.1.1.1 for Windows XP / Windows 2000 For Product(s): U-8ST / U-8CW This is the Roland U-8 USB driver for Microsoft(R) Windows(R) XP Home Edition/Professional and Microsoft(R) Windows(R) 2000 Professional. Multiclient support As many as four applications can simultaneously use each MIDI OUT/MIDI IN port. Compatible with ASIO (Steinberg Audio Stream I/O Interface). For Operating System(s): WindowsXP / Windows2000