USB 2.0 to PS/2 Adaptor Cable Features: >No Driver Needed >Bus-Powered-No External Power Required >Built In Power on Reset & Watchdog timer reset >Hot Pluggable >Supports 3D, 3Keys Wheel Mice & Multimedia Keyboard Function >USB 1.1 & USB 2.0 Compatible >Supports PC Win 98 SE, ME, 2000, XP, Netware 4.11, 5.0, HP Unix, Linux, MAC OS 8.6 or Higher and Sun Micro Sytems