Apple Desktop Bus is a proprietary bit-serial peripheral bus connecting low-speed devices to computers. It was introduced on the Apple IIGS in 1986 as a way to support low-cost devices like keyboards
The Apple Desktop Bus icon and an early Apple Desktop Bus keyboard
ADB is implemented in an early Microchip PIC microcontroller in the Macintosh SE.
The Apple IIGS is a 16-bit personal computer produced by Apple Computer beginning in September 1986. It is the fifth and most powerful model of the Apple II family. The "GS" in the name stands for "Gr
Apple Desktop Bus
…Apple Desktop Bus (ADB) is a proprietary bit-serial peripheral bus connecting low-speed devices to computers. It was introduced on the Apple IIGS in 1986 as a way to support low-cost devices like keyboards and mice, enabling them to be connected together in a daisy chain without the need for hubs…
Apple IIGS with peripherals
AST RamStakPlus memory board for Apple IIGS
An Apple SCSI expansion card installed in an Apple IIGS
An original Apple IIGS "Woz Edition", with signature on the front