ASROCK z97 Extreme 4 boot problem

Hi,

i have installed Yosemite with success (Multibeast installation with "DSDT free".)
Its running when I boot from the usb stick with unibeast.
But starting from the HD in Sata3_0, a WD1600JS-41MVB1 (original Apple HD from G5) ends in the Message:
Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key.
Could the reason be a wrong Uefi setting, or is something wrong with the HD. Unfortunately, I haven't got another one for testing...

Thanks
Ralf

------Update
installing Multibeast on the Efi partition solved the problem.

But now the next problems appear:
Audio and Lan
I will open a new thread...

Hi @HHansG !

Have you tried installing OSX 10.14 Mojave on your ASRock z97 Extreme 4 build?
I still have the same problem of not being able to boot directly from SSD even after using Multibeast.

Thank you in advance!