The purpose of this guide is to improve macOS High Sierra that has been installed on PC of ROG STRIX X299-E GAMING motherboard.

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BIOS

Before applying the settings, please update ROG STRIX X299-E GAMING BIOS firmware to 1301 or later.
After executing Exit/Load Optimized Defaults, enable X.M.P in EZ Mode.
Switch between EZ Mode and Advanced Mode by pressing F7.

• AI Tweaker

  • ASUS MultiCore Enhancement: Auto [optional "Disabled"]
  • AVX Instruction Core Ratio Negative Offset: Auto [optional "3"]
  • AVX-512 Instruction Core Ratio Negative Offset: Auto [optional "2"]
  • CPU Core Ratio: Auto [optional "Sync All Cores"]
  • CPU SVID Support: Enabled
  • DRAM Frequency: DDR4-2400MHz

• Advanced/CPU Configuration

  • Hyper Threading [ALL]: Enabled
  • MSR Lock Control: Disabled

• Advanced/CPU Configuration/CPU Power Management Configuration

  • Enhanced Intel Speed Step Technology (EIST): Enabled
  • Autonomous Core C-States: Enabled
  • Enhanced Halt State (C1E): Enabled
  • CPU C6 report: Enabled
  • Package C-State: C6(non retention) state
  • Intel SpeedShift Technology: Enabled
  • MFC Mode Override: OS Native

• Advanced/Platform Misc Configuration

  • PCI Express Native Power Management: Disabled
  • PCH DMI ASPM: Disabled
  • ASPM: Disabled
  • DMI Link ASPM Control: Disabled
  • PEG - ASMP: Disabled

• Advanced/System Agent Configuration

  • Intel VT for Directed I/O (VT-d): Enabled/Disabled

• Boot

  • Fast Boot: Disabled
  • Above 4G Decoding: Off (must be ON with Prime X299 Deluxe BIOS firmware 1704, Strix X299-E Gaming BIOS firmware 1704 and WS X299 Sage/10G BIOS firmware 0905 in case of GPU firmware load and XHCI ACPI implementation issues. When employing WS X299 Sage/10G BIOS firmware 0905 and enabling Above 4G Decoding in the respective BIOS settings as required, "First VGA 4G Decode" must be set to "Auto", as both Windows 10 and macOS can become irresponsive with different "First VGA 4G Decode" settings.)

• Boot/Boot Configuration

  • Boot Logo Display: Auto
  • Boot up NumLock State: Disabled
  • Setup Mode: Advanced

• Boot/Compatibility Support Module

  • Launch CSM: Disabled/Auto/Enabled

• Boot/Secure Boot

  • OS Type: Other OS

POST INSTALLATION

0. open Terminal, install developer tools:

   xcode-select --install

   you will be prompted to install the developer tools, complete the installation.

1. clone this repo:

   git clone https://github.com/Fansaly/X299-STRIX-macOS
   cd X299-STRIX-macOS

2. download tools, kexts, and hotpatch:

   make download

   type make download-tools make download-kexts make download-hotpatch-bplan to download separately

3. uncompress files of previous step:

   make unarchive

4. build DSDT/SSDT aml:

   make

5. install DSDT/SSDT aml, kexts and drivers:

   make install

   type make install-aml make install-kexts make install-drivers to install separately

6. manually replace config.plist for Clover (optional):

   efi_dir=$(make mount)
   cp config.plist ${efi_dir}/EFI/ClOVER

   after the replacement, you should customize Serial Number, Board Serial Number, SmUUID in SMBIOS section, and etc.

Downloads, installations and updates, depend on Config/config.plist.

Other features of Makefile

make mount              # Mount EFI partition
make backup             # Backup EFI/CLOVER
make update-kexts       # Check kexts updates
make upgrade-kexts      # Upgrade kexts (Download/Install)
make update-kextcache   # Update system kext caches
make update-repo        # Update local repo.

make list-WebDriver n   # Print the latest first n of NVIDIA Web Driver info.
make download-WebDriver # Download the latest NVIDIA Web Driver

EFI/CLOVER/drivers/UEFI

• Recommended
  • FSInject.efi
• File System
  • ApfsDriverLoader.efi
  • VBoxHfs.efi
• Memory fix
  • AptioMemoryFix.efi
• Custom
  • VirtualSmc.efi install by make install-drivers (No need to worry)

Known Issues

• Onboard Wi-Fi: There is currently no solution.
• Sleep/Wake: Prompt that USB Flash Drive on front panel USB 3.0 port has been Ejected.
• Sleep/Wake: Power nap is normal, sleep about 1h maybe, it will wake up, and then go to sleep soon.

Credits

acidanthera, apfelnico, interferenc, kgp, lvs1974, RehabMan, the-braveknight, vit9696, etc.