you’d have found when you bought a mouse with a PS/2 connector fitted, it may well have come with an adapter for a 9-pin RS232 serial port. Those mice from a decade or more ago would have ...

you’d have found when you bought a mouse with a PS/2 connector fitted, it may well have come with an adapter for a 9-pin RS232 serial port. Those mice from a decade or more ago would have ...

mouse and other peripherals. Old Macs used the serial port for printers. Also known as an RS-232 port, serial ports provide very slow speeds and have been superseded by USB on desktop computers.

A mouse that plugs into the serial port on a PC. Serial mice used to be the most common type, but were replaced by mice that use the PS/2 and USB ports. Contrast with bus mouse. See mouse.