It was indeed a Thinking Machines CM-5 — Nedry actually mentioned them in his line about how Hammond wouldn't be able to find anyone "anybody who can network 8 connection machines". An actual assembled CM-5 actually cost closer to a million dollars. But, from what I remember the one in the control room is a shell. In the CM-1 and CM-2, the LEDs were actual status indicators on the processors, which Tamiko Theil and t…
Great video. I visited Brewster Kahle at Thinking Machines back when I was in college and that visit ended up being one of the major influences in my career. The CM was way ahead of it's time. Thinking Machines also pioneered WAIS which was a precursor to modern search engines. https://en.wikipedia.org/wiki/Wide_Area_Information_Server
Re: Search Engines, I think I mention this in the video but apparently Sergey Brin was part of the Connection Machine user community, and had that experience on his resume. (A copy of that is still floating around.)