In 1967, IBM introduced the System/4 Pi line of aerospace computers, packing mainframe performance into a compact box. 4 Pi computers powered everything from military aircraft to the Space Shuttle to sonar systems on submarines. Thread...
Ken Shirriff
@kenshirriff@oldbytes.space
Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Xerox Alto. Ex-Google, Sun, Msft. So-called boffin.
oldbytes.space
Ken Shirriff
@kenshirriff@oldbytes.space
Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Xerox Alto. Ex-Google, Sun, Msft. So-called boffin.
oldbytes.space
@kenshirriff@oldbytes.space
·
Mar 29, 2026
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