The problem, according to Chen, is that "USB and PS/2 are completely different protocols that are not compatible in any way. The adapter was purely mechanical (passive).

After hacking the plastic off a PS/2 mouse extension cord, he wired everything up according to the pinout. Programming the PIC to understand PS/2 commands was a little strange.

I've got a USB mouse (MS) that came with a USB to PS/2 converter. It works fine hooked up to a PS/2 port. I run it through a KVM switch that is PS/2 and not USB so this is necessary. One of the ...

In recent years, many PC peripherals have adopted USB or Bluetooth to connect to PCs, but until USB became mainstream in the mid-2000s, connections via PS/2 connectors were common. Raymond Chen, a ...

When did you last buy a mouse? Did it have a little adapter in the box? 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 ...

The pointer shipped with a then-standard PS/2 port but also worked with USB when using the included adapter. What you may not know is that this small, ...