The ATEN PS/2 to USB (Universal Serial Bus) Intelligent KVM cable connects USB (Universal Serial Bus) computers to PS/2 KVM switches without any adapters. It supports multiple OS such as Windows, Mac, & Sun Solaris. This particular cable is designed for the ATEN switches with custom designed DB15 at the PS/2 end. There is no software installation required, just plug the custom-made DB15 end of the cable into your ATEN KVM & plug the USB (Universal Serial Bus) end of the cable into your USB (Universal Serial Bus) computer.