ADB

E208098

ADB (Apple Desktop Bus) is a now-obsolete serial interface developed by Apple for connecting low-speed input devices like keyboards and mice to Macintosh computers.

All labels observed (1)

Label Occurrences
ADB canonical 10

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf Apple technology
computer hardware interface
serial bus
abbreviationFor Apple Desktop Bus port
surface form: Apple Desktop Bus
addressingScheme device IDs assigned at startup
connectorType 4-pin mini-DIN
dataRate low-speed
dataTransferType serial
designedFor Apple Macintosh computers
surface form: Macintosh computers
developer Apple Inc.
documentation described in Apple technical notes and developer documentation
fullName Apple Desktop Bus port
surface form: Apple Desktop Bus
influenced later low-speed peripheral bus designs at Apple
influencedBy earlier serial peripheral buses
introducedWith Apple IIgs
surface form: Apple IIGS

Macintosh II
Macintosh SE
introductionYear 1986
manufacturerSupportEnded late 1990s to early 2000s on new Macs
maxDevicesPerBus 16
notCompatibleWith PS/2 ports without adapter
USB without adapter
powerSupply provides power to attached devices
primaryUseEra 1990s
late 1980s
protocolType polled bus protocol
purpose connecting low-speed input devices
replacedBy IEEE 1394
surface form: FireWire (for some peripherals)

USB
signalType single-wire bidirectional data line plus power and ground
status obsolete
supportsDaisyChaining true
supportsHotPlug limited
typicalDevice graphics tablet
joystick
keyboard
mouse
trackball
usedFor consumer input devices
keyboard input
mouse input
usedIn Apple IIgs
surface form: Apple IIGS

Macintosh II series
Macintosh SE
early Power Macintosh models
some NeXT hardware via adapter
usedOnPlatform Classic Mac OS hardware

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.