Success! High Sierra on X99,i7 5820k, 1080ti Hello all, I have installed macOS High Sierra as a dual boot (separate hard drives) on my system ...

Success! High Sierra on X99,i7 5820k, 1080ti

Hello all,

I have installed macOS High Sierra as a dual boot (separate hard drives) on my system using the vanilla guide below.

Here are my specs/other relevant info:



BIOS Version: E7885IMS.1D0

CPU: i7 5820K

GPU: Gigabyte Xtreme 1080ti

HDD: Samsung EVO 840 120GB (I have installed macOS to this drive, windows is on a 960 evo M.2)

RAM: 24GB DDR4 2666 MHZ (using 6/8 slots) (XMP Enabled in BIOS)


  • AppleALC.kext
  • VirtualSMC.kext
  • IntelMausiEthernet.kext
  • VoodooPS2Controller.kext
  • Lilu.kext
  • WhateverGreen.kext
  • USBInjectAll.kext
  • XHCI-unsupported.kext

In my 'drivers64UEFI' folder:

  • ApfsDriverLoader-64.efi
  • HFSPlus-64.efi
  • AppleImageLoader-64.efi
  • OsxAptioFix2Drv-free2000.efi

My boot args are:

  • -v
  • npci=0x2000 (seems to be vital to X99 hacks. I needed it to even get to the installer)
  • dart=0
  • debug=0x100
  • keepsyms=1


I used clover to select MacPro6,1 (see final comments). I pasted the board serial back into Rt Variables.

I used uuidgen to make my SmUUID.

Here is my whole EFI folder. Make note that I removed my serial number and related info, not sure if two people using the same one can cause problems. You can generate new ones using clover and uuidgen.



After macOS install, I installed Clover (v4910) to my 840 EVO in the same manner

I used to install it to my flash drive. I mounted the EFI partition with the command

line and copied my EFI from my USB over to my 840 EVO. I then used this script

( to update my nvidia drivers.

The install is stable. I made a post here yesterday about some issues I was having. When I installed macOS I used SMBIOS of iMac14,2. This was not stable with some severe issues occurring after login. I changed the SMBIOS to MacPro6,1, uninstalled/reinstalled web drivers and it has been stable ever since. Nothing more to say about that really.

I do have a couple little things however, which I will list below:

  • Sometimes I get a boot error 'couldnt allocate runtime area'. I think this is common with X99 hacks, so I just CTRL-ALT-DEL to reboot. Sometimes I have to do this more than once, but it boots usually after one reset. Has anyone resolved this issue? I know it is memory mapping related, possibly just something you have to live with on X99 hacks.
  • Drives that are connected to my motherboard via PCIe (either an x4 riser card or a native M.2 slot) show as orange drives. Anyone know a fix for this?

Overall just want to say thanks to the mods and community here, for sure the best resource in the hackintosh community. I mostly posted here because I could not find much info on my specific platform, so I hope this makes someones life a bit easier when they try.

submitted by /u/alexscheppert
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iATKOS Inside: Success! High Sierra on X99,i7 5820k, 1080ti
Success! High Sierra on X99,i7 5820k, 1080ti
iATKOS Inside
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