Altair 8800 S-100 Bus Introduction

MITS introduced the Altair 8800, a groundbreaking microcomputer kit, which featured a 100-pin bus, later named S-100. This bus allowed hobbyists to add memory and interface boards.

Significance

One of the first truly open expansion buses in a microcomputer, the S-100 bus fostered a vibrant ecosystem of third-party hardware developers and set a precedent for modularity in personal computing.