The HDMI Forum, responsible for the HDMI specification, continues to stonewall open source. Valve's Steam Machine theoretically supports HDMI 2.1, but the mini-PC is software-limited to HDMI 2.0. As a result, more than 60 frames per second at 4K resolution are only possible with limitations.

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[–] 2 points 8 months ago* (1 child)

I was thinking of the 30 Pin Dock Connector, which was proprietary, but it looks like it used both FireWire and USB protocols.

Apple was known for helping propagate FireWire too.

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