File:Apple STB1 prototype open.jpg

Summary
Inside an early Apple Interactive Television Box prototype STB1, designed by Apple in 1993 and assembled in Austin, Texas in 1994. The top circuit board is a based on a modified Macintosh Quadra 605 logic board. The bottom board is identified by Apple part number: AP2336-02.

Source

 * An Early Apple Set Top Box Prototype from 1993! by Mac84, YouTube. 2018-06-08.