USB TO Dual PS/2 PS2 Converter Adapter Cable Compliant with USB 1.0/1.1 Revisions,Supports both UHCI and OHCI specifications Converts 2 PS/2 devices (Keyboard & Mouse) to 1 USB port Supports computer USB interface to PS/2 port of KVM Switch Supports Bus-Power meaning no power adapter is needed, Easy installation with no software driver req Support windows 98/me/2000/xp/2003