Lentosh

Lenovo Ideapad s340 Ryzentosh with opencore.

Component	Model
CPU	AMD Ryzen 5 3500U
GPU	AMD Radeon Vega 8 2GB allocated
RAM	20GB(4GB soldered + 16GB sodimm)
Audio chipset	ALC257
WiFi	Intel 3165NGW
Ethernet	ASIX AX88179 USB

Versions

• Working versions (tested): MacOS Monterey (12), MacOS Ventura (13)
• Current OS Version: 13.5.1
• OpenCore version: 0.9.4

What's working:

GPU Acceleration with NootedRed

Keyboard with VoodooPS2

Backlight with PNLF.aml

Booting it up with GenericUSBXHCI

Battery readouts with SMCBatteryManager

Brightness keys with BrightnessKeys

WiFi with AirportItlwm

What's not working:

Touchpad

Card reader (I don't need it now so I will fix it later)

You need to use one of three SMBIOS listed in NootedRed guide, I use Macbook Pro 16,3 SMBIOS, but feel free to experiment

⚠️ Guys this EFI may not work for all of you so take it as a help for your setup ⚠️

Credits

• Acidanthera for OpenCore package and many of needed kexts
• AMD OSX for CPU patches
• Apple for MacOS
• Trulyspinach for AMD SMC plugin for VirtualSMC
• ChefKissInc for NootedRed
• RehabMan for NullEthernet kext
• CorpNewt for SSDTTime, GenSMBIOS, gibmacOS, MountEFI and ProperTree
• RattletraPM for GenericUSBXHCI.kext which fixed booting, without it the laptop would boot once a time
• OpenIntelWirelesshttps://github.com/OpenIntelWireless) for intel wifi kexts