this post was submitted on 22 Jan 2025
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Funny: Home of the Haha
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I remember learning about the 5v pin when working in an IT service desk. Displayport cables (at least the old ones, i dont know if the new ones have it) didnt have the 5v pin so when converting to hdmi, hdmi had to be the source/input and the displayport had to be the output. Unless the converter had a usb or power cable input but we didn't buy those as standard.
The number of tickets that people were faffing around trying to work out why the cable wasn't working that were solved by me spending 5 minutes doing a google search was embarrassing. And i still had to tell them again, all the time.
Learning about that lead to learning about all different display conversion cables and which worked and which didnt. And the various types of dvi cables.
All interesting stuff.