DockPort

DockPort (originally codenamed Lightning Bolt[1]) is a backward-compatible extension of DisplayPort, adding USB 3.0 and DC power, in addition to DisplayPort's video and audio signalling. Standardised by VESA, it is the first royalty-free industry standard to combine these four interface functions in one connector.[2][3] DockPort was developed by AMD and Texas Instruments, two member companies of VESA, as a low-cost alternative to Thunderbolt, for use as a docking interface for laptops and other mobile devices.

The Texas Instruments HD3SS2521 is a DockPort controller that routes DisplayPort and USB 3.0 signals along with power over a standard DisplayPort cable. It was unveiled in 2013, and used as the basis of the final DockPort standard.[4] The docking, for instance, can provide MST hub implementation for multiple displays (through DisplayPort, HDMI, DVI, or D-Sub), a SuperSpeed USB hub, alongside audio and full bandwidth Gigabit Ethernet.

References
  1. Ryan, Thomas (September 4, 2012). "The Magic of AMD's Lightning Bolt". SemiAccurate. Retrieved January 7, 2014.
  2. "DisplayPort™ Adds DockPort Extension to Royalty-Free VESA Standard" (Press release). VESA. January 7, 2014. Retrieved January 7, 2014.
  3. "displayport announces dockport". VESA. June 3, 2014.
  4. Smith, Ryan (January 7, 2014). "AMD/TI's DockPort Adopted As Official Extension to DisplayPort Standard". AnandTech. Retrieved January 7, 2014.


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