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

[paulotex]

Hi, I have a question related to section D3.3 (making the USB installer bootable)

The line: cd /Volumes/USB_VOLUME
Should I replace the name USB_VOLUME with the name EFI or Install macOS High Sierra as this becomes the new name of the USB drive?

It's the name of your USB. So in your case "Install macOS High Sierra".

 

[TECH_ATTACK]

Ok, did fix ACPI Patch. I have troubles with Restart/shutdown too.

 

[hagybear]

hi ! while trying to flash the bios after flashing is done the light stays on and doesn't turn off any ideas ?
how long should it take for the bios flash procedure ? thanks!

FIXED SOLVED : disconnected the ethernet cable and now light stops flashing !

 

[TECH_ATTACK]

Maybe I found an error. Can someone check with IO Reg if there is an entry of SBUS? I just searched, there is no entry for this, not @PCI0 or somewhere else.

Maybe thats the reason of shutdown/reboot problems. (I have a prime X299 Deluxe, and having this troubles too)

 

[x-9er]

Thanks for the replies. If the LiveDash is that valuable then I'll go with the Deluxe on my own build. And thanks to @kgp for putting together such a comprehensive document.

 

[kgp]

Maybe I found an error. Can someone check with IO Reg if there is an entry of SBUS? I just searched, there is no entry for this, not @PCI0 or somewhere else.

Maybe thats the reason of shutdown/reboot problems. (I have a prime X299 Deluxe, and having this troubles too)

If everything is properly set, there are no shutdown/reboot problems! Please don't start with a global conspiracy about the SBUS implementation. The SBUS is not visible in the IOREG.

Good luck in solving your system configuration errors

 

[TECH_ATTACK]

If SBUS is not visible then I don't understand this part of your Guide:

"In any case verify device path "PCI0.SBUS" and PCI device implementations by means of IOREG."

Maybe I understood wrong... but how can I verify path PCI0.SBUS if SBUS is not visible?
I am not the only one with problems of restart/shutdown. AptioMemoryFix.efi seems to be problematic with some config.

Every boot I got multiple:

"Slide xxx at xxxx. cannot be used! and last line is "Some slide values (xxx/xxx) are not available for usage! Booting may fail!!

Boot is successful anyway. But sometime the last Line under the Slide Messages is "Does PrintF work?" And boot stuck. Then I have to reboot. (NVRAM is cleared after that. Because I have to enter password für my AppleAccount again after boot)

Greets

 

[kgp]

If SBUS is not visible then I don't understand this part of your Guide:

"In any case verify device path "PCI0.SBUS" and PCI device implementations by means of IOREG."

Maybe I understood wrong... but how can I verify path PCI0.SBUS if SBUS is not visible?
I am not the only one with problems of restart/shutdown. AptioMemoryFix.efi seems to be problematic with some config.

Every boot I got multiple:

"Slide xxx at xxxx. cannot be used! and last line is "Some slide values (xxx/xxx) are not available for usage! Booting may fail!!

Boot is successful anyway. But sometime the last Line under the Slide Messages is "Does PrintF work?" And boot stuck. Then I have to reboot. (NVRAM is cleared after that. Because I have to enter password für my AppleAccount again after boot)


View attachment 306424 View attachment 306425
Greets

Look! For me, Aptiomemfix.efi works flawless... I you feel better and more comfortable with OsxAptioFixDrv.efi just change backup and that's it, right?

I DO NOT HAVE ANY PROBLEMS IN SHUTDOWN/REBOOT AND IT IS NOT SBUS THAT COULD CAUSE SUCH ISSUE.

Is this englisch and clear enough?

Cheers,

KGP

 

[TECH_ATTACK]

Maybe you are right, but then it makes no sense what you told about "verify device path PCI0.SBUS". But ok, I will find a solution.

 

[kgp]

Maybe you are right, but then it makes no sense what you told about "verify device path PCI0.SBUS". But ok, I will find a solution.

Yes it was not right what I wrote there .. just on the way to fix it..