The pointer shipped with a then-standard PS/2 port but also worked with USB when using the included adapter. What you may not ...
There was a time when if you bought a USB mouse, in the box was also an adapter to allow it to be used with the older PS/2 interface. And if you were to go back a few more years into the past ...
A note on the USB-to-PS/2 mouse adapter that came with Microsoft mouse ... converter 'USB4VC' that allows wireless mice and wireless controllers to be used with older PCs. In addition, engineer ...