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Thinkpad-X1C4-Hackintosh

Thinpad X1 Carbon 4th(2016) Hackintosh EFI

OpenCore: 0.6.2
SystemInfo: MacOS Catalina 10.15.7 (19H2)
HardwareInfo: https://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad_X1_Carbon_4th_Gen/ThinkPad_X1_Carbon_4th_Gen_Spec.PDF
IGPU: HD Graphics 520
CPU: Skylake, Intel Core i5-6200U
Audio: Conexant CX20753/4

Change ACPIBatteryManager to SMCBatteryManager(Both kext works, but SMCBatteryManager more situable for VirtualSMC)
Change itlwm to Airportitlwm, now can use native wifi manager and position service.(no need use Heiport), need Enable AppleSecureBoot in opencore config

Add CPUFriend Kext to keep cpu in low frequency 800Hz, and high frequency keep normal

Fix battery status by SSDT patch (https://github.com/RehabMan/Laptop-DSDT-Patch/blob/master/battery/battery_Lenovo-X230i.txt)
Trackpad settings in SystemSettings works when battery fix. Before fix, the trackpad setting only try to find bluetooth trackpad devices, i guess it may think this is not a laptop when battey status broken
Fix tunning backlight using keyborad shortcut, without DSDT patch

https://dortania.github.io/OpenCore-Install-Guide/prerequisites.html, most of this EFI configuration come from OpenCore Install Guide
https://github.com/corpnewt/gibMacOS, help download os image and make boot usb
https://github.com/acidanthera/AppleALC, help drive audio
https://github.com/RehabMan/Laptop-DSDT-Patch, help fix battery status
https://github.com/acidanthera/BrightnessKeys, help fix backlight tunning
https://github.com/xzhih/one-key-hidpi, help fix hidpi for build-in retina display
https://github.com/OpenIntelWireless/itlwm, help fix intel wifi. Note: Download itlwm.kext(not airportitlwm.kext)
https://github.com/OpenIntelWireless/IntelBluetoothFirmware, help fix buletooth
https://github.com/OpenIntelWireless/HeliPort, help choose wifi, client for itlwm
https://github.com/stevezhengshiqi/one-key-cpufriend, add cpu frequency control, current setting keep low frequency to 800hz ( suitable for me that condider more about battery life for laptop), can use Inter Power Gadget Tool to monitor if your settings works