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Lenovo IdeaPad S540-14IML Hackintosh

air14iml-ven

Model：Lenovo IdeaPad S540-14IML - Type 81NF

Info Status Details
Computer model💻 ✅ Lenovo IdeaPad S540-14IML 2019 (Type 81NF)
System🌌 ✅ All from Catalina to Sequoia
CPU🎛️ ✅ Intel Core i5-10210U / i7-10510U
Motherboard🎛️ ✅ Lenovo 5B20W78206
Fingerprint🖐️ ⛔ Synaptics - Fingerprint will never work
GPU👾 ⛔ Nvidia GeForce MX250 ( 2 GB )
IGPU👾 ✅ Intel UHD 620
Memory💳 ✅ Internal 4GB 2666 + Changeable 32GB 2666
Disks💽 ✅ Lenovo SSD 256G PCIe 2280 UMIS + Samsung PM991 256G
Screen🖥️ ✅ AUO353D/LGD05EC ( 14-inches ) 1920x1080 60~75Hz(OC)
Audio Card🔊 ✅ Conexant CX8070
Wireless🌐 ✅ Replaced Atheros card with Broadcom BCM94360NG
Bluetooth🦷 ✅ BCM94360NG
SD card reader🗂️ ✅ O2 Micro / Realtek
TrackPad🖐️ ✅ Works in GPIO mode with Pin=50
HDMI📺 ✅ able to output 4k@30fps, same as windows
Camera🎦 ✅ it's pretty easy to drive USB camera
Sleep😴 ✅ Support native sleep.

Current Status

  • System：Catalina / Big Sur / Monterey / Ventura / Sonoma / Sequoia
  • Disks：If you are using Samsung PM981A, please consider to change.
  • Audio Card：Success with layout-id 15, no plosive Headsets_with_Microphone

Related models

How to configure Broadcom WiFi in Sonoma (if not detected automatically)

A collection of instructions and links to make Broadcom Wifi work natively again under macOS 14 and 15 (Sonoma/Sequoia). Those instructions are already implemented in the EFI, but STEP 9 is required (OCLP).

This process involves disabling SIP, so be warned.

Below is a description of what to do.

Details

STEP 1: Disable Gatekeeper.

Under Terminal, run the following:

sudo spctl --master-disable

STEP 2: Download and install Kernel Debug Kit:

From source: Kernel Debug Kit


STEP 3: Download OCLP but do not install yet:

From source: OCLP


STEP 4: Make a copy of your current and working EFI. Copy /EFI/OC/config.plist as /EFI/OC/config-backup.plist


STEP 5: System Integrity Protection must be set to 0x803. How to do that? Editing /EFI/OC/config.plist manually or using OpenCore Configurator (highly advisable). Set your SIP to Disabled: under NVRAM section, search 7C436110-AB2A-4BBB-A880-FE41995C9F82 key, then search csr-active-config key and set to 30800000. Or (manually editing /EFI/OC/config.plist):

                    <key>csr-active-config</key>
                    <data>AwgAAA==</data>

STEP 6: Change SecureBootModel to Disabled. How to do that? Under Misc section, security tab, search for SecureBootModel key and set it to Disabled, or (manually editing /EFI/OC/config.plist):

                <key>SecureBootModel</key>
                <string>Disabled</string>

STEP 7: Enable Kexts and Block Patch. How to do that? Under Kernel section, under ADD tab, enable IOSkywalkerFamily.kext. Additionally, Under Kernel section, under BLOCK tab, enable Allow IOSkywalker Downgrade.


Or (manually editing /EFI/OC/config.plist):


To enable IOSkywalkerFamily.kext kext:

                <dict>
                    <key>Arch</key>
                    <string>Any</string>
                    <key>BundlePath</key>
                    <string>IOSkywalkFamily.kext</string>
                    <key>Comment</key>
                    <string>V1.0</string>
                    <key>Enabled</key>
                    <true/>
                    <key>ExecutablePath</key>
                    <string>Contents/MacOS/IOSkywalkFamily</string>
                    <key>MaxKernel</key>
                    <string></string>
                    <key>MinKernel</key>
                    <string>23.0.0</string>
                    <key>PlistPath</key>
                    <string>Contents/Info.plist</string>
                </dict>

To enable Allow IOSkywalker Downgrade patch:

                <dict>
                    <key>Arch</key>
                    <string>Any</string>
                    <key>Comment</key>
                    <string>Allow IOSkywalk Downgrade</string>
                    <key>Enabled</key>
                    <true/>
                    <key>Identifier</key>
                    <string>com.apple.iokit.IOSkywalkFamily</string>
                    <key>MaxKernel</key>
                    <string></string>
                    <key>MinKernel</key>
                    <string>23.0.0</string>
                    <key>Strategy</key>
                    <string>Exclude</string>
                </dict>

STEP 8: Save your modified EFI and reboot the system. Cross fingers... System must boot smoothly if everything performed as described.


STEP 9: Run OCLP and install Root Patch for Modern Wifi (Needed after every update). How to do that? Open OCLP (downloaded at step 3) and click on "Root Patch"


STEP 10: Reboot and check for native Broadcom Wifi. If it's not working, simply reset your NVRAM and check again.



All credits go to the OCLP team, I merely put everything together for ease of use (for me, at least).

BIOS

https://newsupport.lenovo.com.cn/driveDownloads_detail.html?driveId=78312

Details 2022/05/13 BIOS Version: CKCN19WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/94976/BIOS-CKCN19WW.exe
2022/03/18 BIOS Version: CKCN18WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/92231/BIOS-CKCN18WW.exe
2021/07/23 BIOS Version: CKEC17WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/83713/BIOS-CKCN17WW.exe
2021/01/18 BIOS Version: CKCN16WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/78312/BIOS-CKCN16WW.exe
2020/07/24 BIOS Version: CKCN15WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/73409/BIOS-CKCN15WW.exe
2020/06/22 BIOS Version: CKCN14WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/72386/BIOS-CKCN14WW.exe
2019/12/16 BIOS Version: CKCN12WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/67169/BIOS-CKCN12WW.exe
2019/08/08 BIOS Version: CKCN11WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/60449/BIOS-CKCN11WW.exe

Microcode

https://newsupport.lenovo.com.cn/driveDownloads_detail.html?driveId=77695

Details 2021/07/23 Version: CKME05WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/83714/FW-CKME05WW.exe
2020/12/17 Version: CKME03WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/77695/FW-CKME03WW.exe
2020/06/23 Version: CKME02WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/72429/ME-CKME02WW.exe
2019/12/16 Version: CKME01WW http://newdriverdl.lenovo.com.cn/newlenovo/alldriversupload/67174/FW-CKME01WW.exe

Changelog

  • 2023-11-29 16:00
    • Support macOS Somoma OTA.
    • Use MacForge to add functions which are Apple Silicon only.

Installation (For U-Disks larger than 4GB)

  1. If you are using OpenCore, Please use BIOS except for 1.0.2 (1.0.2 you need to turn off the Hyper-Threading to use OC.)
  2. Change BIOS settings
  3. Change DVMT and CFG Lock.
  4. Download balenaEtcher, use it to flash 2022-06-19-XiaoXinAir14IML-4in1-installerV7.dmg(Password：q27r)
  5. Boot the Second EFI partition and choose the system you want to install.

macOS12 recovery+EFI (format your u-disk with FAT32, then unzip this package)(suitable for 1G/2G U-disk)

Advice

  • [Prevent intermittent hackintosh disconnections Thanks @Unstoppablesss] Modify System Preferences/Eneragy Saver/Power Adapter/Put hard disk to sleep when possible(modify to off)
  • Because current hibernate cannot wake up normally, in order to avoid affecting sleep, use the terminal to turn off hibernate sudo pmset -a hibernatemode 0

VoltageShift Highly dangerous

  • Advantage：Undervolt the CPU to gain more efficiency and make the machine cooler
  • Method：
    • 1.Follow BIOS_UnlockOCPM‘s readme to unlock Overclocking Performance Menu Extremely dangerous, please backup your BIOS
    • 2.Switch Advanced → Overclocking Performance Menu → Overclocking Feature → Enabled
    • 3.Undervolt in macOS with VoltageShift

YogaSMC： Experimental

  • Normal: Fan three modes switch, microphone mute, flight mode, F10 switch screen, touchpad switch hint, keyboard backlight, Fn function key switch.
  • Abnormal: the camera has a hint, but it can't be turned off, the lock function can't be used, FN + Q can't work, the keyboard backlight will be displayed incorrectly when the power is plugged in, the battery temperature can't be read out, and you can't switch the charging speed in the system.

Synchronize bluetooth link keys from macOS to windows

https://github.com/lietxia/BT-LinkkeySync

Hi-DPI (Big Sur and upper)

bash -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/dev/hidpi.sh)"

Catalina Hi-DPI

bash -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/hidpi.sh)"

DW1820A Windows 10 driver

https://www.dell.com/support/home/zh-cn/drivers/driversdetails?driverid=98wfd

Change DVMT and CFG Lock

You must unlock CFG Lock , otherwise, you can't use both OpenCore and Clover.
We recommend to change DVMT into 64M, there's no damage to your computer.

  • Recommend: get into hidden BIOS
    • The way to enter hidden BIOS
      • Switch off the OneKeyBattery
      • Press following buttons with your computer closed.
        • F4 → 4 → R → F → V
        • F5 → 5 → T → G → B
        • F6 → 6 → Y → H → N
        • Power on → Press F2, speed up if failed.
  • Change the following settings.
    • Advanced → Power & Performance → CPU - Power Management Control → CPU Lock Configuration → CFG Lock → Disabled
    • Advanced → System Agent (SA) Configuration → Graphics Configuration → DVMT Pre-Allocated → 64M

MacForge

  • Advantage: Add functions which are Apple Silicon only
  • Installation: run /macforge/install.command

How to make it better?

  • PrintScreen can't be used under mac. I map it to F13 and you can change the shortcut key of screenshot to F13
  • Turn on HiDPI (see HiDPI part)

SSDT

SSDTs Info Necessary Recommended Optional
SSDT-SBUS-MCHC Fake BUS0, DVL0, MCHC device √
SSDT-EC-USBX Fake EC device, USB Power Patch √
SSDT-TPAD-Air14IML I2C Trachpad patch (AIR14IML only) √
SSDT-DMAC Fake DMA controller √
SSDT-GPRW Anti immediate wakeup: 0D/6D √
SSDT-PMC Fake PMC device √
SSDT-HPTE Disable HPET patch √
SSDT-PNLFCFL Coffee Lake PNLF patch √
SSDT-PR00 X86 CPU Power Management (Enable XCPM) √
SSDT-RMCF-Air14IML PS2 key mapping patch √
SSDT-UIAC Custom USB √
SSDT-BATX-Air14IML Battery extra info √
SSDT-AWAC “Fake” RTC timer √
SSDT-ECRW YogaSMC EC accessibility √

Notes

  • You need a T6 screwdriver to disassemble the machine. After the screws are removed, use the unused card and carefully disassemble it from the other side of the screen https://www.bilibili.com/video/BV1X341157kf/
  • If you want to buy a type-c cable, you should buy one with 4mm diameter, and the hole diameter is 1.7mm
    IMG

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OpenCore EFI for Lenovo IdeaPad S540

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v1.3 - OC 1.0.0 Latest
Oct 7, 2024
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