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Mini DisplayPort 4K Display Emulator 60Hz (Fit-Headless 4K)
Need to get headless Mac Mini to go to 2560x1600 so remote desktop from other mac at 2560x1600 works well. Plugging in to a real monitor (mini display port) and it works fine. Plug this in, and best it offers is 1080p. Other choices are 720 and 1600x900.
There should be THREE 75 Ohm resistors in this device and these only have ONE. Should be 1 resistor for each color RGB. a resistor across 1-6, 2-7, and 3-8. In THAT configuration, each output has a proper load on it. THESE did not work. My Homebrew ones, made from a DB15HD, 3 - 75 Ohm resistors and a cheap plastic hood for a total cost UNDER $1.75 Work perfectly. Maybe newer video cards can tolerate a single resistor, But the machines I am using these for are each 6+year old tech.
I had ordered one a few months ago and by mistake I order the wrong one returned it with no problem and ordered the correct one. However, I was not given the correct one. Life happened and I forgot to return it. Now I have one that will not work with what i need.