ADB Apple Desktop Bus pinoutADB is a low-speed serial bus used on Apple Macintosh computers to connect input devices (such as the mouse or keyboard) to the CPU
NuBus pinoutNuBus is a 32-bit parallel computer bus, originally developed at MIT as a part of the NuMachine workstation project, and eventually used by Apple Computer and NeXT Computer.
NuBus 90 pinoutAvailable on old Apple Macintosh computers. NuBus with clock rate 20 MHz.