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2025-03-31 17:41:27 UTC

Ken Shirriff on Nostr: The Pentium processor, like many others, implements its instructions in microcode. ...

The Pentium processor, like many others, implements its instructions in microcode. Each step of an instruction is described by a micro-instruction, stored in the chip in the microcode ROM.
This die photo shows the parts of the Pentium. Let's take a quick look at the microcode ROM...1/N