History of Atari 7800 ProSystem Development at General Computer by Steve Golson
Summary: A brief history of General Computer and its leading role in the development of the Atari 7800 ProSystem. Also a review of GCC’s other products for Atari home game consoles and computers.
Thanks to Hans Reutter aka Cascades Homestead you can watch the complete talk here:
Irish Nerd Life has part of this talk also on YouTube.