Monoprice 4-Port DVI KVM Switch&nbsp; Retail - Black | Supports Windows, Linux, Mac Controls PCs with one PS/2 keyboard, PS/2 mouse, and DVI monitor respectively 3 ways for PC selection - Push-button switch, hot key or mouse clicking Easy to install-No software required, Hot Pluggable Integral keyboard and mouse emulation for PC booting error free Auto scan function to monitor PCs| Auto skips over the powered-off PC