With the Belkin SOHO KVM-switch you can use VGA-monitor, keyboard & mouse with two computers. Thereby, it makes no differernce, whether your are using a PS/2 or USB (Universal Serial Bus)-mouse & keyboard, because the KVM-switch possesses both the interfaces. You can also connect a loudspeaker & use it with both the computers. With the help of the push button on the front side you can select the picture on PC 1 & the sound on PC 2 independent of each other.