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LetsGetTechnicllast Thursday at 5:14 PM1 replyview on HN

It was reverse engineered, not opened by IBM


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aeyeslast Thursday at 5:30 PM

No, they published schematics and full BIOS source code.

But it was not libre, they held the copyright to the source code. So to get around this, competing companies wrote a spec from the source code and then had another team which never saw the code implement a new BIOS from the spec.

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