I did - DisplayPort 1.2.
I did find a work-around so it looks like my problem may be fixed. I bought a DisplayPort to HDMI adapter and I am connected now from E-Port port 2->DP-2-HDMI Adapter->HDMI cable->Samsung HDMI 1. Wasn't getting a picture and then found the display adapter needed to be changed to 1920x1080 plus it was defaulting to 29Hz refresh.
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