Kudos to @Hervé in helping me to fix the graphics acceleration.
Changes
22092022
- Installed macOS Ventura 13.0 beta 8
- Updated to OC 0.8.5 and latest kexts like WEG to spoof SkyLake (SKL) to KabyLake (KBL)
- AltStore 1.5.1 and iPadOS 16.0 works
Working
- Full graphics acceleration on Intel HD620 HD520 iGPU, including brightness control (F5 and F6)
- Multi-display with DisplayPort OOB, VGA
- Audio, microphone input and headset output (F8 and F9) - Mute button not working
- GigEthernet LAN connection
- Wireless and bluetooth with any compatible card (a DW1560 in my case, no Whitelisting)
- left and right USB ports including USB Type-C
- Integrated webcam (OOB)
- CPU power management
- Sleep (Lid, Energy Saver settings, Apple menu, PWR button) & wake (Lid, PWR button)
- Battery management
- Keyboard and touchpad
- Keyboard backlight (F5/F6)
- Touchpad including tap-to-click, scrolling, mouse buttons (can be disable with prt scr key)
Set bios settings as follows:
Advanced tab:
Boot options:
- Fast Boot = Disabled
- Network (PXE) Boot = Disabled
Secure Boot Configuration:
- "Legacy Support Enable and Secure Boot Disable"
System Options:
- Virtualization Technology (VTx) = Disabled (recommended, Enable also worked)
- Virtualization Technology for Direct I/O (VTd) = Disabled (recommended, Enable also worked)
Built-In Device Options:
- Wake On LAN = Disabled
- Video memory size = 64 MB
- LAN/WLAN Auto Switching = Disabled
- Fingerprint Device = Disabled
Power Management Options:
- Extended Idle Power States = Disabled
- Deep sleep = You can keep this enabled
- Wake when Lid is Opened = Enabled
- Wake on USB = Disabled
Credits
OSXLatitude - @Hervé , @Jake Lo
EliteMacx86 - EliteMacx86
Opencore Dev Team
Check out Working EFI