ADM-3A Terminal

By Xah Lee. Date: . Last updated: .

ADM-3A Terminal, first shipped in 1976.

terminal ADM-3A
The ADM-3A terminal. (12 inch screen; 24 lines of 80 characters.) 2676×2370image source
terminal ADM-3A keyboard
Terminal ADM-3A keyboard. Note the position of the Escape key and the arrows on H J K L, also the position of Ctrl.
terminal ADM 3A number pad
Terminal ADM-3A number pad.
terminal ADM-3A keyboard layout
ADM-3A terminal's keyboard layout. image source
terminal ADM 3A 201711 25835
ADM-3A terminal

ADM-3A says to vi: I am your father

This machines is how vi's key began. See

History of Emacs and vi Keys

Hacker Lore Keyboards

  1. History of Emacs and vi Keys
  2. Lisp Machine Keyboards
  3. Symbolics Space-Cadet Keyboard
  4. How to Create APL or Math Symbols Keyboard Layout
  5. Univac F-1355-00 Keyboard
  6. Ann Arbor Ambassador 60 Terminal
  7. ADM-3A Terminal
  8. DEC VT100 Terminal
  9. IBM Model M keyboard
  10. Sun Microsystems Type 6 Keyboard
  11. Control Key and Capslock Key Positions in Old Keyboards
  12. The Idiocy of Happy Hacking Keyboard
Did i $save$ you from bad keyboard?

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