Apple Extended Keyboard II

Released 1990

A full-size mechanical Apple Desktop Bus keyboard with a numeric keypad and adjustable rear foot.

Model history · 2 models, 1987–1990

Specifications

Layout: Full size
Switches: Mechanical
Backlight: None
Keys labelled for: Mac
Touch ID: No
Switches: Mechanical switches; Deskthority documents Alps and Mitsumi switch variants across M0312 and M3501 units.
Layouts: Apple's M0312 specification lists 105 keys, including an 18-key numeric pad, 15 function keys, six editing keys and inverted-T arrows.
Special keys: F1–F15 function keys with a supplied labelling overlay; lock indicators for Caps, Num and Scroll Lock.

Connects by: Cable
Power: Cable
Receiver: Detachable 1 m Apple Desktop Bus cable supplied; the keyboard has ADB ports for connection to compatible Apple computers.
Works with: Any Apple personal computer with an Apple Desktop Bus interface, according to Apple's specification.

Width × depth × height: 475 × 195 × 41 mm
Materials: Beige plastic enclosure; the rear foot raises the stated typing angle from 6° to 14°.
Colours: Beige.
In the box: Keyboard, 1 m ADB cable, function-key overlay, owner's guide and warranty statement in Apple's M0312 packing list.

Model	Layout	Switches	Backlight	Battery	Connects by	Weight	Released
AppleApple Adjustable Keyboard	Full size	Mechanical	None	–	Cable	1700 g	Feb 1993
AppleApple Extended Keyboard	Full size	Mechanical	None	–	Cable	1600 g	1987
AppleApple Keyboard (M0116)	Full size	Mechanical	None	–	Cable	1000 g	1987