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Specification

Component Model
CPU Intel Core i5-7600K @ 3.8GHz to 4.6GHz
Motherboard Gigabyte Z270-HD3P
RAM 32GB (4 x 8GB) Patriot Signature @ 2400MHz
GPU Gigabyte Aourus RX580 8GB
OS Disk Crucial P5 Plus 500GB
Ethernet Intel I219-V
WiFi & Bluetooth Fenvi T919

macOS version: macOS Sequoia 15.1 (24B83)
OpenCore version: 1.0.1 + OCLP
SMBIOS: iMac19,1

Software compatibility

  • Sequoia (15.x)
  • Sonoma (14.x)
  • Ventura (13.x)
  • Monterey (12.x)
  • Big Sur (11.x)
  • Earlier versions alo should work but are not tested

Hardware compatibility

CPU

The EFI is compatible with Intel Core Desktop Kaby Lake (7XXX) processors.

GPU

Nvidia GPUs support is complicated and will not be discussed in this repository.

Component Supported?
Integrated Requires changes1
AMD Yes2
NVIDIA Requires changes3

1Modifications to SMBIOS and DeviceProperties will be required. Propably some framebuffer patches also should be applied.
2Some of R7 and R9 GPUs requires spoofing. More info here.
3NVIDIA's GPU support is complicated. You can find more info here and here.

Motherboard

All motherboards should be supported out of the box.

Storage

For the most part, all SATA based drives are supported and the majority of NVMe drives as well. Updating storage firmware should fix any problems. Using Intel Optane Memory or micron 3D XPoint are unsupported in macOS.

Networking

Wired

Intel NICs (82578, 82579, I217, I218 and I219) are supported. To use other NICs you must use a different kexts.

Wireless

Fenvi T919 wireless card works on Somona after applying OCLP root patches and supports features like AirDrop, Continuity, etc. Before Sonoma, it works out of the box.

Security

This build has security features such as Secure Boot, System Integrity Protection, and Apple Mobile File Integrity disabled due to the application of OpenCore Legacy Patcher patches. FileVault is also unavailable.

Installation

  1. Use this guide to create USB with macOS recovery.
  2. Clone this repository and copy "BOOT" and "OC" directories to "EFI" directory on your USB.
  3. Modify "MLB", "ROM", "SystemSerialNumber" and "SystemUUID" in EFI/OC/config.plist using GenSMBIOS script with iMac19,1 SMBIOS. You can find more detailed instructions here.
  4. Follow Dortania post-install guide.

Credits