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Is 2-lane EDP cable backwards compatible 1-lane WXGA screens?

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Posted · Original PosterOP

It may seem obvious that a 2-lane EDP cable is backwards compatible with WXGA screens designed for 1-lane cables, but I want to make sure this is the case. I intend on testing a 2-lane cable coming in the mail with my existing 768p screen. I thought, well if the cable at least works with my existing screen then I can feel safer to order the new 1080p screen, but now I'm doubting even that.

 

The stock cable in the laptop is a standard 30 to 30-pin, 1-lane EDP cable. I assume that because different cables exist in the first place that the pin-out on the cable is different, unless it's just a cable quality thing like with standard vs high speed HDMI cables?

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