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[–] 7 points 3 years ago (3 children)

Didn't some early 2000s Mac USB cables have a bit sticking out and a notch on the computer so they could only be used with Macs?

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  • [–] 3 points 3 years ago (1 child)

    Compliance reasons. USB spec at the time didn't really allow for extension cables because it added an unknown amount of resistance.

    The notch was a workaround; they were within spec for the intended device both with and without that cable.

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