The Adesso ADP-PU21 USB to PS/2 adapter is the best solution for those who want to use legacy PS/2 devices on new USB systems. It allows you to connect a PS/2 mouse and keyboard through the USB port on any computer. Perfect for Notebook Laptop users.
Easy installation, no software driver needed
Use Existing PS/2 Input Devices on New USB Computers
Connect Two PS/2 Input Devices to One USB (PC) Port
Works With All Adesso Touchpad and Trackball Keyboards
Compliant with USB 1.0/1.1 Revisions
Supports both UHCI and OHCI specifications
Converts 2 PS/2 devices (Keyboard & Mouse) to 1 USB port , Supports computer USB interface to PS/2 port of KVM Switch, Supports Bus-Power meaning no power adapter is needed, Easy installation with no software driver required