Does anyone have any information (schematics, image of PCB, etc.) about the Apple 1 Motherboard from Electronic Systems.
It was advertised in several issues of BYTE Magazine. Example from February 1977 page 191:
APPLE 1 MOTHER BOARD Part no. 102 10 slots -44 pin (.156) connectors spaced % inch apart Connects to edge connector of computer Pin 20 and 22 connects to X & Z for power and ground Board has provisions for by-pass capacitors. Board costs $15.00