Try to boot gigabyte x58

[shir266]

Hello
I have stack on screen try to bulid afi i have gigabyte x58 ud3 and nvidia xt 5000 bios f4
Whan i boot i have this screen after
Icon stack
Thank for hellp

 

[Going Bald]

What system definition are you trying to use? Do you have a working Mojave or High Sierra drive?

 

[shir266]

What system definition are you trying to use? Do you have a working Mojave or High Sierra drive?

I try to install Catalina

 

[Going Bald]

I try to install Catalina

If using Mac Pro system definition requires boot arg -no_compat_check in nvram.plist
or use OC as bootloader and add bot-arg