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Comment by rcbdev

2 days ago

IBM's opening of desktop PC standards also contributed a lot to computing.

Sometimes, an open API is all you need.

It was reverse engineered, not opened by IBM

  • 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.