It is unlikely then that you could take a modern USB-only device and an unholy chain of USB-to-PS/2-to-serial adapters, and have it work as a serial mouse. Want to run Windows 3.1 on a 386DX?
For those too young to remember, the PS/2 sockets replaced the chunky DIN connector used for keyboards and the DE-9 serial connector used for mice. The color-coded sockets – purple for keyboards and ...