The Audio, I followed this post from mopidicks:
https://www.tonymacx86.com/threads/asrock-deskmini-110-issues.200939/page-3#post-1348264 and was able to use the audio jack. Adding the driver two times made it work or I was just lucky. Can't say
But I also have no HDMI audio output. But I must admit that I am using an usb audio device for the sound anyways because I had also problems before and that is the easiest way to get audio work.
MultiBeast Configuration - 2016-11-29 05:40:15
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Drivers > Audio > Realtek ALCxxx > ALC283 (BRIX Pro and NUC only)
Drivers > Audio > Realtek ALCxxx > 100 Series Audio
Drivers > Network > Intel > IntelMausiEthernet v2.2.0
Bootloaders > Clover v2.3k r3766 UEFI Boot Mode
Drivers > Graphics > Intel HD 530