Question MacBook Video Port

[leegold58]

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https://photos.app.goo.gl/ePiF4Z2uWgT8dgTg9

I have an old MacBook 2, it works OK with Linux. There is a video port on it I cannot identify. I want to get a cable that will convert it to HDMI. I already tried "eye balling" it and bought a converter cable but it's not a match. I have a picture with an arrow pointing to it. What is it please? I already tried "mini DVI" but that lead me to buying the wrong cable...Thanks.

 

[leegold58]

There's a link to a pic of the port in question

 

[COLGeek]

Mini-Displayport (about third of way down page linked below):

DisplayPort - Wikipedia

en.wikipedia.org