Belkin F1DB104P OmniView E Series 4-Port KVM Switch (PS2 Only) belkin 4 port KVM switch allows the instant switch between up to four different computers with the push of a button. With over 1 million KVM switches in use worldwide, this thing has to work!! Controls through hot key switching and front panel push button selection Free technical support is offered through Belkin The switch is color coded for easy and quick installation