EDIT: This is now solved. tl;dr - basically ensure that you're using the latest version of the El Cap install with the latest version of Unibeast/Clover. I had previously downloaded the Install El Cap app from the App Store a few months earlier and was using that. Needed to redownload the latest version from the App Store. That seemed to do it. Thanks for all the help!...
[SOLVED] GA-170X-UD5 6700K - Prohibited Sign & Garbled Text
[SOLVED] GA-170X-UD5 6700K - Prohibited Sign & Garbled Text