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Nursie • yesterday at 1:10 PM • 1 reply • view on HN

That's where I came across them in around 03/04, though the company was moving away from them at the time. Two intel processors somehow kept in lockstep, allowing either one (or its RAM) to fail and be replaced with no interruption to the system.


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mech422 • yesterday at 5:20 PM

the originals ran like 3 'cpu groups' or whatever they called it... all instructions ran on all 3 and the results were compared - one of the cool things done with this was taking faulty 'cpu groups' out of service without down time

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