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jimhwy | profile | all galleries >> Galleries >> Core Memory tree view | thumbnails | slideshow

Core Memory

Control Data core memory module.

This is a core memory module from a Control Data computer ca. 1966. Years ago, probably in the late '70s or early '80s, the company I worked for was asked to remove this computer from its location in an office within a bank building. The machine needed to be removed to free up valuable space since it was being replaced by the very modern DEC PDP-11.

Instead of filling a room, the new computer fit neatly into one tall 19" rack.

In order that the other bank tenants and customers not be disturbed, we were instructed to cut up the old computer with oxy-acetylene torches if need be so that it could be shoved out a 2nd story window and into the waiting dump truck bound for the landfill.

Needless to say, a bunch of nerds such as us were unable to trash a lot of the prime parts from this beast and they ended up in various peoples' garages, homes, and actually back at our office.

One of the bits I salvaged was this core memory module. I hate to imagine what it cost new.

I was reminded of it a while ago when another photographer posted a photo of some other core memory.

I naturally figured I should take the time to make a few photos of this amazing piece of computing history.
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