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[Solved] Kaby Lake Z270 + 960 evo (nVME) boot problems

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DsurioN

DsurioN

Joined
Jul 23, 2011
Messages
36
Motherboard
ASRock Z270 Pro4
CPU
Intel Core i5 7600k
Graphics
ASUS Vega 64 Strix OC
Mac
  1. MacBook Air
  2. Mac mini
Classic Mac
  1. Classic
Mobile Phone
  1. iOS
Alright, I'm trying to set up my new Kaby Lake build:

i5-7600k
Z270 Motherboard (ASRock Z270 Pro4)
Samsung 960 Evo nVME SSD x2 (one has Windows 10 installed on it, the second is blank and awaiting OS X :)
GTX 980

I created my USB stick with UniBeast and a fresh copy of OS X from the Mac App Store. I think it's 10.12.4, but I'm not 100% sure - is there a way to check?

I configured the BIOS according to the recommended settings, enabled nVidia graphics, everything else was fairly default. I also entered the Kaby Lake CPU ID into config.plist.

I was going to use RehabMan's nVME patcher but sadly my Mac mini running 10.12 just kicked the bucket so I had to go with the config.plist KextsToPatch method (at least for installation). Unfortunately, my boot process freezes at the point pictured in the attached image. If I let it sit for 30 seconds, eventually I get the prohibited sign, and the screen text corrupts a bit. Once that happens "Still waiting for root device" appears in the background.

Any thoughts?
 

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DsurioN said:
Alright, I'm trying to set up my new Kaby Lake build:

i5-7600k
Z270 Motherboard (ASRock Z270 Pro4)
Samsung 960 Evo nVME SSD x2 (one has Windows 10 installed it, the second is blank and awaiting OS X :)
GTX 980

I created my USB stick with UniBeast and a fresh copy of OS X from the Mac App Store. I think it's 10.12.4, but I'm not 100% sure - is there a way to check?

I configured the BIOS according to the recommended settings, enabled nVidia graphics, everything else was fairly default. I also entered the Kaby Lake CPU ID into config.plist.

I was going to use RehabMan's nVME patcher but sadly my Mac mini running 10.12 just kicked the bucket so I had to go with the config.plist KextsToPatch method (at least for installation). Unfortunately, my boot process freezes at the point pictured in the attached image. If I let it sit for 30 seconds, eventually I get the prohibited sign, and the screen text corrupts a bit. Once that happens "Still waiting for root device" appears in the background.

Any thoughts?
Click to expand...

Since you're booting from USB... it is a USB problem.
Make sure you're using a USB2 stick.
 
RehabMan said:
Since you're booting from USB... it is a USB problem.
Make sure you're using a USB2 stick.
Click to expand...

Ah wow I had read that disabling USB3 in BIOS can help things but I couldn't find that option. I guess using a USB2 stick would solve that issue. I will try that once I find one, thanks.
 
I ended up getting a USB2 stick and installing to the 960 evo successfully. Now begins the fun part of figuring out all the kexts!

  • I started by installing Clover, and IntelMausiEthernet 2.2 to get Ethernet going (Ethernet works fine, not Clover though).
  • Still cannot boot directly from the installation drive, have to use USB
  • I downloaded the latest Nvidia Web Driver from here: http://www.insanelymac.com/forum/to...ver-updates-for-macos-sierra-update-03272017/ but it does not seem to work automatically upon reboot (tried with web driver on and off in clover)
  • Need to investigate which audio codec to use (actually optional since I plan to use nvidia audio mostly, does this work?)
  • Need to install patched nVME kext

One question: How do I mount the EFI partition to modify config.plist?
 
Last edited:
BreBo said:
You can use Clover Configurator (Vibrant Edition) to mount your EFI partition and modify your config.plist, or you can use EFI Mounter v3 to mount your EFI partition, and a Plist Editor such as the editor included with XCode or commercial software such as Plist Edit Pro to edit your config.plist
Click to expand...

Thanks. I was able to get the system to boot from the SSD.

However, I still can't Nvidia Web Drivers to work. I tried tip #6 in this thread https://www.tonymacx86.com/threads/solving-nvidia-driver-install-loading-problems.161256/ but now my screen goes black 75% through the boot process. (I can still boot by disabling nvidia web drivers in Clover)

Have you ever had this issue?
 
What video connection?
I had problem with DP, switching to HDMI solved the problem.
Not sure why or how.
 
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