Inside the CDC Cyber Supercomputer: Hardware & NOS Operating System (Real Emulator) | Ep 1

The CDC 6600 (1964) was the world's fastest computer, and its Cyber descendants ran universities, labs and weather services for decades. Hardly anyone today has seen one working, so we run a real one: the original NOS 2.8.7 operating system on an emulated CYBER 865 (DtCyber), right on a laptop. In this episode: Where it came from: Seymour Cray, Chippewa Falls, the CDC 6600 Hardware architecture: a CPU that only calculates, 60-bit words, X/A/B registers, functional units and the scoreboard, peripheral processors and the barrel, channels, central and extended memory, 6-bit display code, the NPU network OS architecture (NOS): CMR, the monitor (MTR, CPUMTR), DSD console, PP programs, control points, exchange jump, batch job flow and the dayfile, permanent files, NAM and IAF time-sharing The real thing: the live operator console and a real terminal session: login, CATLIST, a BASIC program, logoff Chapters 0:00 Intro 0:32 Where it came from 1:42 Hardware architecture 5:08 Operating system architecture (NOS) 7:56 The real system: console and terminal 9:24 Recap and next episode Coming next: booting the Cyber (deadstart and the operator console), then full programming series on the mainframe: BASIC, FORTRAN, COBOL, Pascal and COMPASS assembly, with theory and live practicals. Notes: the machine-room scenes are AI-generated illustrations; the console and terminal screens are real output from NOS 2.8.7 running under the DtCyber emulator. Narration is an AI voice. #CDC #Cyber #Mainframe #ComputerHistory #NOS #Supercomputer #RetroComputing