Motherboard Mouse

This is called a "bus mouse" and is the precursor to PS2 technology. In the 1980s IBM compatible computers did not have a built in interface for a mouse. At the time many mouses used a serial connection (COM port). The bus mouse interface was developed by Microsoft so that the mouse would have its own dedicated interface. It was soon rendered obsolete when IBM released its next generation of PC's with the PS2 interface for keyboard and mouse.

Danger Mouse - 1981 The Strange Case of the Ghost Bus 3-4 is rated/received certificates of:

Australia:G

A mouse is not a storage device, it is an interface.

• ADB Apple Desktop Bus ADB is a low-speed serial bus used on Apple Macintosh computers manufactured in 1986-1999. It's used to connect input devices (such as the mouse or keyboard) to the CPU