jape Posted October 25, 2015 Share Posted October 25, 2015 I just had to post this somewhere.. Since 10.11 there has been a new relatively unknown ig-platform-id, 0x16220007 . It's not listed in the system_profiler report for some reason. This seems to be the one used by the new Retina 21'' iMac, but I haven't confirmed it yet. With that ig-platform-id I'm now finally able to drive a 4K display from the primary DP port on my i5 5675C. Before that one I always got a corrupted screen and/or image only via HDMI/DVI. 3 Link to comment Share on other sites More sharing options...
ZiggyW Posted March 26, 2016 Share Posted March 26, 2016 Thanks ! Works also with ig-platform-id, 0x16220003 on hdmi port ! Link to comment Share on other sites More sharing options...
Iman07 Posted December 22, 2016 Share Posted December 22, 2016 how can i get this working on 10.11.5? Link to comment Share on other sites More sharing options...
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