Keyboard Connector - AT

                        ┌─\./─┐
                       ┌┘     └┐        ┌──────────┐
         5-pin DIN     │1■   ■3│        │  ││││││  │  6-position SDL
      on system unit   │4■ 2 ■5│        │  ABCDEF  │  on keyboard
                       └┐  ■  ┌┘        └─ └┴┴┴┴┘ ─┘
                        └─────┘
               Pin In/Out Signal Name     to SDL Pin
               ─── ────── ─────────────── ──────────
                1   I/O   +Keyboard Clock     D
                2   I/O   +Keyboard Data      B
                3    na    (reserved)         F
                4  power    Ground            C
                5  power  +5 Volts            E
                           not used           A

See Also: Keyboard Connector - PC/XT
          Keyboard Connector - PS/2
          Cables and Pin Outs
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