Kensington orbit scroll ring trackball not working

[RW]

On Thu, 4 Jul 2019 10:27:57 -0700 (PDT)
Rich Shepard wrote:


> I need advice on what to do to enable the Kensington trackball to work
> connected through an adapter to the PS/2 port on the rear of the host.

My understanding is that USB devices that work with PS/2 adaptors have
been specifically designed to work that way.  If it didn't come with an
adaptor you're probably out of luck.