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by numpad0
935 days ago
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I suspect it's less about having CPU as afterthought, than about how and who is to take CPU out of "awaiting to be booted" state. Ancient CPU simply had a BIOS mask ROM hardwired to reset vector and immediately load from it upon release of reset line, nowadays and on more complex systems, I believe that's what Intel Management Engine/Apple Secure Enclave/VideoCore GPU/etc. will do, not the main CPU itself. |
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