The D-link, KVM-121, 2-Port PS/2 KVM Switch with Audio Support is a true Plug and Play device, which means it is ready to work right of the box. It requires no drivers or power supply, and is compatible with all systems with PS/2 connectors. The KVM-121 is easy to use with features such as at-a-glance LED indicators for computer status and both hot keys and push buttons for switching between computers. There is even an autoscan mode for automatically switching between computers at 10 second intervals. Versatile, portable, and convenient, the D-Link KVM-121 can easily be integrated into your existing desktop environment at home or at work