Chosen Solution
Ok, so I ordered presumably a 2013 logic board to replace it on my computer, after looking at the images and talking to seller it turns out it is 2015 logic board (He thought that iMacs have same logic boards from 2012-2019, only stuff that changes is CPU), so my question is, can 2015 logic board be installed in 2013 chassis and connected to 2013s non retina display?
mmm… this is tricky! While the logic board mounts are the same the the 2013 display won’t work in this system as the logic board connection is not the correct size as its expecting a 5K display. So you would need to changeout the display assembly. The iSight & microphone setup is different so they too would need to be replaced and you would need to make some modifications to the case. By the time you got all of the pieces its going to cost a bit of change and as I have never done it I may have missed something. Frankly, I would return it and get the correct board.
I’m in the same situation, I have a 2013 chassis and its complete with the exception of logic board and screen. I was thinking of getting a 2015 logic board and then the compatible display for that logic board (5k display) Dan are you saying there are other compatibility issues using a 2015 board in this chassis? For reference the chassis is a late 2013 (ECM2639) 14.2
