ADB

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ADB

(Apple Desktop Bus) A low-speed serial interface for connecting keyboards, mice and other input devices to Apple IIgs and Macintosh computers. Starting with the iMac in 1998, the ADB was superseded by USB.


Apple Desktop Bus Connector
ADB plugs and sockets looked a lot like PS/2 connectors but used a different pin configuration.
References in periodicals archive ?
The C600/240 also has Internal and External Fast SCSI-2, along with two serial ports and one external Apple Desktop Bus (ADB) interconnect.
Integral Fast SCSI-2 internal and standard SCSI external is included, along with two serial ports and two Apple Desktop Bus (ADB) interconnects for a keyboard and another ADB device.
Interfaces include one Apple Desktop Bus port for keyboard and mouse, two RS-232/RS-422 serial ports, front and rear audio output ports, and one sound input port.