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. Space-Cadet Keyboard
  3. How to Create APL or Math Symbols Keyboard Layout
  4. Univac F-1355-00 Keyboard
  5. Ann Arbor Ambassador 60 Terminal
  6. ADM-3A Terminal
  7. DEC VT100 Terminal
  8. IBM Model M keyboard
  9. Sun Microsystems Type 6 Keyboard
  10. Control Key and Capslock Key Positions in Old Keyboards
  11. The Idiocy of Happy Hacking Keyboard
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