bot@lemmy.smeargle.fansMB to Hacker News@lemmy.smeargle.fans · 4 months ago

Inside an IBM/Motorola mainframe controller chip from 1981

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Inside an IBM/Motorola mainframe controller chip from 1981

bot@lemmy.smeargle.fansMB to Hacker News@lemmy.smeargle.fans · 4 months ago

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cross-posted to:
retrocomputing@lemmy.sdf.org

In this article, I look inside a chip in the IBM 3274 Control Unit. 1 But before I discuss the chip, I need to give some background on main...

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