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How to build your own iMac Pro [Successful Build/Extended Guide]

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This is what I get when I run ls:
Rauan:.IABootFiles iMacRa1$ ls boot.efi
boot.efi

I assumed that this is a prove. Should I check it somehow else?

Yea that's the proof that boot.efi now is in .IABootFiles :thumbup:
 
Yea that's the proof that boot.efi now is in .IABootFiles :thumbup:
Sorry for repeating myself, but why it doesn't boot then? :banghead:
 
Sorry for repeating myself, but why it doesn't boot then? :banghead:

What means it does not boot?... what is exactly the problem?... We have to analyse your issue with some patience ;)
 
here is what happens. I insert USB stick in USB port and start the PC. Then I tried two ways:
  • I press DEL to access BIOS config and make USB as first boot option, save and exit. Because I have empty clean Samsung 960 Evo it comes back to BIOS setting menu.
  • I press F12 to access boot option and choose my USB stick partition to boot from it comes back to boot menu in a few seconds.
 
here is what happens. I insert USB stick in USB port and start the PC. Then I tried two ways:
  • I press DEL to access BIOS config and make USB as first boot option, save and exit. Because I have empty clean Samsung 960 Evo it comes back to BIOS setting menu.
  • I press F12 to access boot option and choose my USB stick partition to boot from it comes back to boot menu in a few seconds.

Sorry, but or your missing the EFI-Folder in the EFI-Partition of your USB Flash Drive Installer?

Seems that you do not even enter the Clover Boot Menu.. :rolleyes:
 
Here is the EFI partition mounted by Clover Config:
upload_2018-2-14_15-58-14.png


Here are copied two folders (I renamed it to USB yesterday evening, before it was always Install macOS High Sierra):
upload_2018-2-14_15-54-41.png


But for some reason I never enter to clover boot menu on startup.
 
Many thanks for this great guide. I've tried it with MSI X299 Raider/i9-7900X/MSI Radeon RX 580. Boot & installation of High Sierra worked for me without any modification in the config but the resulting system is very slow/lagging. Anybody any ideas what to do to fix this? Or would you recommend me buying an other/better motherboard (Asus Prime X299 Dlx maybe) to avoid further problems ? (I guess my problems result from my rather 'exotic' mobo??)

many thanks in advance for any help.
 
Here is the EFI partition mounted by Clover Config:
View attachment 313178

Here are copied two folders:
View attachment 313177

But for some reason I never enter to clover boot menu on startup.

That's totally wrong! Directories "Boot" and "Clover" must be part of a "Directory" called "EFI", as implemented in my EFI-Distribution!

No surprise that it does not work like this!
 
Thats totally wrong! Boot and Clover must be part of a Folder called "EFI" as implemented in my EFI-Distribution!

No surprise that it does not work like this!

I tried to copy and paste entire folder "EFI-X299-10.13.3-Release-iMacPro1,1-020218" with boot and clover folder inside to EFI, but had the same results. Did I have to rename "EFI-X299-10.13.3-Release-iMacPro1,1-020218" to EFI and put in EFI partition?
 
Many thanks for this great guide. I've tried it with MSI X299 Raider/i9-7900/MSI Radeon RX 580. Boot & installation of High Sierra worked for me without any modification in the config but the resulting system is very slow/lagging. Anybody any ideas what to do to fix this? Or would you recommend me buying an other/better motherboard (Asus Prime X299 Dlx maybe) to avoid further problems ? (I guess my problems result from my rather 'exotic' mobo??)

many thanks in advance for any help.

There are several sources that might cause a lag on your system. most prominent sources can be:

1.) Misconfiguration of your RX 580
2.) Misconfiguration of your HWP and XCPM configuration

Try to check on both..

Good luck,

KGP
 
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