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maropr

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    maropr reacted to Download-Fritz in EFI Variable Store on Aptio V (Haswell-E and up)   
    The ASUS only has NvramSmi (dual DXE + SMM) as far as I can see, while the GA has DXE and SMM separate... ASUS AiO Smi driver is also far smaller than GA's Dxe.
    Furthermore, the ASUS one seems to work like Aptio IV while GA's works EDK2-style from what I saw till now. I'm not sure what could cause both methods to just fail.
    I suppose AMI made an update and both vendors copied the changesi into their codebases, while ASUS was likely using an older one.
     
    Expect not to hear any news for some time, this is not going to be  1-day-task.
  2. Like
    maropr reacted to tluck in Lenovo ThinkPad T420 with UEFI Only   
    Lenovo T420 Clover Guide
    Release v2019.05.10 on GitHub Updated to Clover r4928 Update Theme (icons and boot chime option) Updated Custom kexts AppleALC.kext - merged properties for T420 (changed Layout 12 to 14) VoodooPS2Controller.kext  - with new SSDT option for custom key map) Use WhateverGreen.kext for GFX patching and properties by default config.plist changes: Changed config.plist file to use audio layout id 14 (or 13 for dock)  Update config.plist files to set slide=0 by default Revised to common config.plist for simplicity (good for Sierra and High Sierra)  Mojave - 2 Config.plist - low and high res LCD - has explicit gfx properties since Model is MBP9,1 Removed ACPI patching by Clover (except Fix_Regions) since patching is already in provided in the DSDT Provide alternate config.plist files and DSDT files for testing glitchy 1600x900 LCD Add alternate "2e3" EDID - helps with glitches  - has 60 and 50 Hz modes Update T420s with SSDT for PS2K device  
    T420 Clover Guide and Steps
    Overview
    The zip file is a complete ESP/kext pack for the Lenovo T420 using Clover on macOS. This file set should work for either Sierra, High Sierra, (and Mojave*).  I only test on the most recent/current OS and the previous one.
    Full Clover ESP file set - config.plist + required custom kexts + custom ACPI files (DSDT/SSDT) The actual zip bundle releases are posted on GitHub.com  
    *Limited Mojave support 10.14 to 10.14.3:
    Apple removed support of HD 3000 Graphics  -- see steps below to hack Mojave! Apple removed support of Atheros WiFi Preparation - if you plan to upgrade from Sierra or High Sierra Preserve the /S/L/E "HD3000/SNB" kexts by coping them to a non-system folder Preserve the /S/L/E  AirPortAtheros40.kext plugin (if you have Atheros) by coping it to a non-system folder  
    Non-maintained Mountain Lion Kext Bundles for 10.8.4 are in post #241 and 10.8.5 in post #397
    Also for L420 Guide see the one by kosakgroove
     
    Why Clover vs Chameleon?
    Native UEFI boot support for macOS (and Windows) on GPT disks. Native Apple macOS Installers and App Store Updates. Supports Recovery HD for system recovery, iMessage, Find My Mac, etc. Dynamic DSDT and Kext patching.
      Caveat: My system is a T420 with 1600x900 LCD and dedicated Intel HD 3000 Graphics Only. This zip contains what is working for me on my specific model. The related models - such as T420s, T420i, T520 and W520 family - may work as is or need some changes to config.plist and/or the DSDT. In the DSDT source (.dsl) file, the changes are indicated by notes and comments. If your HW is the same as mine, the included DSDT and configuration files may need to be retrofitted to work for your system.

    The guide has 2 parts or phases:
    How to create a USB installer to install macOS,
    and How to complete the OS installation to run macOS
      BIOS settings
    Recommended is BIOS v1.46 (and stay on 1.46 if you want use a modded bios - but there are v1.48 and v1.49 mods now) Recommended: reset to defaults. Most defaults settings will work - but check these settings: Set Config / Serial ATA (SATA) / SATA = AHCI Set Security / Memory Protection / Execution Prevention = Enabled Disable Discrete Nvidia/Optimus (use integrated HD 3000 only - unless you really know what you are doing!) Note: The custom DSDT is based off BIOS v1.46 (flashed with whitelist mod or original) Terms:
    GPT = GUID Partition Table MBR = Master Boot Record ESP = ESP = EFI System Partition, the ESP is created automatically as the first (hidden) partition by the Disk Utility when the GPT option is selected for partitioning a disk.  
    Part 1 - OS Installation
    These steps and procedure is for a complete new fresh installation using an USB Installer. If you are upgrading to High Sierra from an older working version of macOS (say El Capitan or Sierra is on your HD downloaded from the App Store), skip down to Part 2, Step 3 to update your ESP. You must replace or merge in the changes from the EFI/CLOVER files to your HD ESP before you perform the upgrade.
     
    1.1 Overview and Downloads
    Download and expand (extract) the zip file contents from here:
    GitHub Lenovo T420 Clover Latest Release. This same file set will be installed on the USB and the HD for UEFI boot. Download macOS from the App Store - they are freely available. One can build a macOS USB installer with the standard macOS installer app downloaded from the "App Store". Install macOS to a GPT formatted disk using the standard Install macOS.app downloaded from the Apple Store.  
    1.2 Create a standard macOS USB installer
     Partition an 8GB (or larger) USB formatted with GUID Partition Table (GPT) use the Partition Options... menu to change from MBR to GPT Name the partition USB - the install process will rename it, but it matches the script below. Use format: Mac OS Extended (Journaled) (formerly OS X Extended) Note: if you have a larger USB (say 16GB) you can split into 2 8GB partitions, so you can have 10.13 and 10.12 installers on the same USB key
    Run this command to copy the bits to the USB key: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/USB --applicationpath /Applications/Install\ macOS\ High\ Sierra.app –nointeraction Note: if using an older version of macOS, replace with the corresponding app name. 
     
    1.3 Put Clover installation on USB
    Install Clover on the USB sudo mkdir /Volumes/ESP-USB sudo mount -t msdos /dev/disk1s1 /Volumes/ESP-USB cp -a ~/Downloads/Lenovo-T420-CloverYYYY.MM.DD/EFI/ /Volumes/ESP-USB/EFI Manually mount the ESP of the USB (there is script - espmount.bash - that you can use later in the Utilities folder as an option) If not done already, expand the downloaded Zip to ~/Downloads/LenovoT420-Clover-YYYY.MM.DD (this file set is the Zip) Copy the EFI directory to the ESP directory of the USB
    For example, assuming the USB is disk1:
    Note: run "diskutil list" on the command line to find your USB and HD disk devices 1.4 Boot Clover from USB Installer and select Install macOS
    Install the OS on your GPT disk on the macOS partition. Make sure the drive is formatted using: Scheme: GUID Partition Map (GPT) Partition Name: macOS Format: APFS - use macOS Extended (Journaled) for Sierra Dual BOOT tip: If you plan to dual boot Windows from the same HD - DO NOT make the 2nd partition NTFS or ExFAT with the Disk Utility app. For now make the all partitions "APFS" or "Mac OS Extended (Journaled)" Size the 2 partitions appropriately - later you will delete and reformat the 2nd unused partition space for Windows 1.5 GUI Install
    Click through the install menus and wait for the installation to fully complete - on a spinning disk takes about 30-45 minutes.
    Follow these Notes and Tips: When the installer screens shows: "To pair a Bluetooth keyboard, turn it on and wait for your computer to connect to it.” Hit the Space Bar to get past this step. When installer seems to hang at: "About a second remaining” Don’t Panic, this "second" may take about 10 minutes or more to finish. Just wait for the installer to reboot the computer and continue the installation. The whole install process takes about 1 hour to complete. On the first boot from the HD when asked:  "How Do You Connect?” Select: “My computer does not connect to the Internet” You can set up the network later after installation of the NIC driver kext - but it may already be working. The stock Intel WiFi will not work. Period.    
    Part 2 - Post OS Installation and Setup on HD
     
    2.1 Boot Clover from USB 
    On startup, hit F12 and select USB boot - but now in Clover select the newly installed disk/partition to start macOS.
    Note: You may see 3 Volumes instead of the expected 2 on the HD - macOS + Recovery HD - make sure you pick the volume that is NOT labelled Recovery HD. See step 3 below to remove the logical volume eliminates the confusion.
     
    2.2 Complete the installation steps - boot up and login
    Boot up macOS with Clover injecting the custom kexts from the USB.  Login and start a terminal session. For HFS+, convert the Logical volume to Physical volume. If your disk is HFS+, the full installer likes to make a logical volume. So for simplicity, I recommend one to revert the root volumes to a regular volume. Run this command: sudo diskutil corestorage revert / 2.3 Install Clover and kexts on the Boot Hard Drive ESP
    Download (or transfer) the same Zip files to the HD. (See below for details) In general, the provided kexts do not require any modification. Optional: Create a custom AppleBackLightInjector kext The included/pre-made AppleBackLightInjector kext may work "as is" if you have a common Lenovo LCD. This kext gives full uniform brightness range for the LCD.  You can create a custom Backlight Injector kext for your LCD Panel if needed. This script will update the kext in the ../../EFI/CLOVER/kexts/Other directory - which is the unzipped package location.  This AppleBacklightInjector kext replaces the (obsolete) IntelBacklight.kext and the kext install script will remove the old one if on 10.12.4 or later. You may manually remove that kext if present.  To create this custom kext, run this procedure script: cd ~/Downloads/Lenovo-T420-CloverYYYY.MM.DD/Utilities/Create_AppleBacklightInjector_kext/ sudo ./createAppleBacklightInjector.command Details for Installing Clover and Kexts on the Boot Drive ESP
    Now make the ESP contents on the boot drive exactly like the ESP used to setup the USB installer above. Manually mount the ESP of your HD on /Volumes/ESP. (See first 2 commands below.) Replace the ESP installed by Clover in the previous step -- means you copy/replace these 2 directories /Volume/ESP/EFI/CLOVER and BOOT with the ones from the Zip file. Just as you did for the USB, the config.plist is renamed from the one that matched your LCD. Manually mount and install of the ESP bits to disk0 by following the same procedure as for the USB. Note: If you previously installed Windows, be careful to not lose the EFI/Microsoft contents.  Note: The Clover config.plist default volume name (the volume to boot automatically) is set to "macOS" - meaning your new volume is assumed to be named "macOS". If you use a different name - like "Macintosh HD" change the volume name or edit the name in config.plist to match. sudo mkdir /Volumes/ESP sudo mount -t msdos /dev/disk0s1 /Volumes/ESP cp -a ~/Downloads/Lenovo-T420-Clover-YYYY.MM.DD/EFI/ /Volumes/ESP/EFI Mojave - install missing Apple kexts:
    If you have installed or upgraded to Mojave you need extra kexts that are not present anymore to get full gfx acceleration for HD3000. Install the preserved copies of these kexts to /S/L/E:
    AppleIntelHD3000Graphics.kext AppleIntelHD3000GraphicsGA.plugin AppleIntelHD3000GraphicsGLDriver.bundle AppleIntelHD3000GraphicsVADriver.bundle AppleIntelSNBGraphicsFB.kext AppleIntelSNBVA.bundle AirPortAtheros40.kext (if you have atheros wifi) and make sure the permissions are correct by running :
    cd /System/Library/Extensions sudo chmod -R go-w *HD3000* *SNB* sudo chown -R root:wheel *HD3000* *SNB*  
    Optional: Install the all custom kexts to your OS /Library/Extensions folder
    Note: These days, Clover can "Inject" all the custom kexts from the ESP - so you no longer have to copy/install them into your system OS. However, if desired install the custom kexts from the Zip kexts directory to the /Library/Extensions directory by running:
    cd ~/Downloads/Lenovo-T420-Clover-YYYY.MM.DD/EFI/CLOVER/kexts/ sudo ./_kext-install.command 2.4 Optional: Ethernet Device Installation
    If you do not already have an ethernet device created as en0 - you can check the System Preferences/Network tool - this step loads the ethernet kext and resets network device order to have ethernet as en0. Seems to help with AppStore and iMessage etc.
    Note: macOS may already have configured the ethernet, so this step may be unnecessary but it will not hurt anything either for a fresh installation. Run this set of commands: sudo kextload /Library/Extensions/IntelMausiEthernet.kext sleep 10 sudo rm   /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist 2.5 Recommended Option: Install (copy) the DisplayVendorID-* directories 
    The step can help with glitches and display options. These files provide alternate color correction and gamma curves as well as more screen sizes for select Lenovo LCD models. These files are included in the Zip file and should be copied (via sudo) to /System/Library/ Displays/Contents/Resources/Overrides  
    sudo cp -a ~/Downloads/Lenovo-T420-Clover-YYYY.MM.DD/\:System\:Library\:Displays\:Contents\:Resources\:Overrides/DisplayVendorID-* /System/Library/Displays/Contents/Resources/Overrides/ For Yosemite or earlier versions, these files go in /System/Library/ Displays/Overrides
     
    2.6 Remove the USB and Reboot to load Clover from the HD
    Notes: For this first boot, hit the spacebar on your boot selection (macOS) and use verbose mode.
    See below for other tools and scripts for to help with sleep/wake issues.
     
    Post Installation - Known Issues and Random Tips:
     
    WIFI: The stock Intel WiFi will not work. The common approach is use a modded BIOS 1.46 (or later) and replace the WiFi with a Broadcom or Atheros chip.  Bluetooth: Enable (turn on) Bluetooth so the green light is showing on the LCD bezel (do from Windows or Ubuntu). Also make sure the side switch is set to green too! Note: Bluetooth seems to have some issues in High Sierra (early versions) the workaround seems to be turning off BT before sleep. This process can be automated by installing the Sleepwatcher tools - which handles the sleep/wake scenario. Optionally one can install "Clover" scripts which turn on/off all networks during shutdown via LoginHook and LogoutHook. The are scripts to re-enable all networks up login or during boot up. Go the Utility Folder in the zip and run these command: ./install_tools.command ./install_sleepwatcher.command ./install_clover_scripts.command "Black" Screen - hit "Pause" (or FN Home) key to increase LCD brightness sometimes the saved value in the nvram is out of sync or zero so LCD seems to be off.
      If still on HFS+ formatted HD, Clover may present 2 options for main OS partition if using Logical Volume vs Standard Volume. You can revert the logical volume, so Clover will not get confused and present duplicate options. Just "revert" using: sudo diskutil corestorage revert / Audio: When using external headphones or speakers, may need to plug and unplug 1 or 2 times for recognition. iMessage/Messages/FaceTime may not register without overriding the Clover generated values for ROM and MLB values. Search thread for ROM to get more info. Otherwise define and inject using RtVariables -- see wiki for details - there are placeholders in the config.plist
      Fixed: TrackPoint may not be responsive on startup (very random occurrence anymore) - a sleep/wake cycle should revive it. Fixed: With WhateverGreen or ACPIBacklight.kext installed, boot with lid open or LCD will be black when you open it. Fixed: Not needed anymore: Add boot option darkwake=0 if you would like to disable power nap - and have the lid wake the gfx instead of hitting extra key.
      Suggested settings if you don't want or use hibernation: sudo pmset -a hibernatemode 0 rm /var/vm/sleepimage Hibernation - Use OsxAptioFix2Drv-64.efi instead of OsxAptioFixDrv-64.efi UEFI driver for restart from hibernation. (Have not tested this in a long time). For hibernation, then set hibernate mode to 7 (mode 7 is like mode 3 but without encryption) - may need to manually edit this value into the plist file now. Note: Booting up from the hibernated image may have jumbled or blank LCD until you do a sleep/wake cycle to reset the LCD. sudo pmset -a hibernatemode 7 OBSOLETE: After installing the kexts to /L/E, sometimes the symbolic link to the actual binary file referenced in AppleHDA_20672.kext is not right. Fix this link by running this script: cd /Library/Extensions/AppleHDA_20672.kext/Contents/ MacOS
    sudo rm AppleHDAsudo ln -s /System/Library/ Extensions/AppleHDA.kext/Contents/MacOS/AppleHDA
    sudo touch /System/Library/Extensions  
    Notes on Custom Kexts
    FakeSMC.kext  
    - Core hack mechanism. Using Kozlek's version + plugins + custom FakeSMC Info.plist
    - 2 Custom SMC keys are added to Kozlec's standard FakeSMC
    - FNum (to find the Fan) and ACID (for AC power and eliminate powerd syslog messages every 30 seconds).
    - A Custom package is included in the Utilities folder so you can install HWMonitor.app - it just selects these 2 Plugins Sensors: ACPI and CPU.
      Lilu.kext  - (acidanthera) for use with certain kexts such as AppleALC, NightShift, WhateverGreen AppleALC.kext - by acidanthera - Keep original/unmodified AppleHDA.kext in /S/L/E and use this kext to add full audio support for CX20672/CX20590.
    Note: There are matching DSDT sections to define Conexant Codec.
    There are 2 layout-id profiles:
    (1) ID 14 for normal laptop ports
    and
    (2) ID 13 which adds the audio ports on the Docking Station. Thanks to Manwe150's fix/additions for dock ports.
    The "dock" version adds the second channel output called "Headphones" and a second Input which shows up as either "Line In or Built-in Microphone" - these ports are physically on the Docking Station itself.
    IF you have a dock and want to use the extra ports, then set/inject Audio ID 13 in the Clover config.plist - IF you DO NOT have a dock, then use everything as is (and not be confused by the extra Input/Output options!!!) WhateverGreen.kext - for Graphics and Backlight patching
      ACPIBatteryManager.kext - by RehabMan - show/track battery info on menu bar - Note: most Info.plist items are set to False instead of True Bluetooth_Injector_T420.kext - adds ProductID 8575 to make BT work better (provides on/off capability). IntelMausiEthernet.kext - Mieze's Intel LAN kext that supports TSO, EEE and other features. Put this kext in /Library/ Extensions and remove or disable AppleIntelE1000e.kext IOAHCIBlockStorageInjector.kext - configured to make just the DVD device appear internal so iDVD player works. USBInjectAll.kext - helps with USB properties VoodooPS2Controller.kext (v1.9.2) - RehabMans's PS2 Keyboard/TouchPad/TrackPoint SSDT are used to modify options instead - and can be used to setup alternate FN/key maps. keyboard mappings have 3 or 4 finger swipe left/right to back/forward configured for Safari browser vs space swipe  
    •       Optional/Obsolete:
    AppleBackLightInjector.kext - RehabMan's Injector method - modified for Lenovo T420 to incrementally scale brightness in 17 levels from 0 to 4882 (0x1312). Note: The template file has 2 models: T420 and T460. To create a customer Injector, run the Utilities createAppleBacklightInjector script to create a custom Panel definition specific to your LCD. It will put the new injector in the kexts/Other folder. Install it along other kexts with _kext_install.bash script. cd ~/Downloads/Lenovo-T420-Clover-YYYY.MM.DD/ Utilities/Create_AppleBacklightInjector_kext/sudo ./ createAppleBacklightInjector.command AppleIntelE1000e.kext (v2.4.14) - Ethernet (gigE) - can go in /System/ Library/Extensions vs Plugins so OSX re-installations or patch updates will not delete it. IntelBacklight.kext (v1.0.10) - RehabMan's kext for smoother/enhanced LCD backlight (dimming) control. In 10.12.4 (or later) this kext does communicate with Brightness keys or System Preferences Display Slider. So remove this kext unless on a version older (less) than 10.12.4 AppleHDA_20672.kext (v999.99) Keep original/unmodified AppleHDA.kext and add this kext to /L/E for full audio support for CX20672 (same as CX20590). Note: requires matching DSDT sections for Conexant Codec and layoutID 12. and Kext Patch via Clover. Also has Manwe150's fix/additions for dock ports. Credit and thanks to vladichimescu. There are 2 files in AppleHDA_20672.kext/Contents/Resources Platforms.xml.zlib.dock and Platforms.xml.zlib.nodock The "dock" version adds the second audio output called "Headphones" and a second Input "Line In" - both of which are on the Docking Station itself. • - IF you have a dock and want to use these ports - then just replace the Platforms.xml.zlib file with Platforms.xml.zlib.dock • - IF you DO NOT have a dock, then use the new kext as is! (and not be confused by the extra Input/Output options!!!)  
    General Notes, Fixes, and Features
    Installing Clover:
    If you would like to run the included installer package, Clover_v2.4k_rxxxx.pkg, to install the related tools and latest bits into the OS and ESP of this HD, there is an installer package in the Utilities directory.
    Select (check box) at least first 2 items! This picture shows a good set of overall options:
     
    After you close the pkg installer, then follow these step to replace the ESP with the zip contents (step 4 above)
    There are extra Clover configuration files (config.plist) that use the custom DSDT and WITH extra Clover patching for EDID Certain config files inject an alternate EDID - rather than the default/built-in EDID for your LCD. These EDID were extracted and corrected (set to RGB only mode etc) from other LCD vendors such as LGD that seem to work better than the common/inferior standard from AUO. Historically, these fix problems such as white screen, glitches, and ring buffer hangs. 
    config.EDID-2e2.plist config.EDID-2e3.plist config.EDID-366.plist For Mojave - These 2 files allow "unsupported" OS Mojave to install since it sets model to MBP9,1 instead of MBP8,1  and sets a few gfx properties needed.
    Note: other models can be used as well if GFX properties are preserved/injected.
    config.mojave.1366x768.plist config.mojave.1600x900.plist Some folks were seeing problems when Clover was asked to patch the DSDT - most of the patching was redundant with the provided DSDT. So there are 2 generic versions - (1) does a number of patches to patch the built-in DSDT (i.e. when you don't provide one) and (2) a config.plist that does almost nothing to patch the DSDT. Over the years - way before the current SSDT/hot-patch approach was devised - manual edits were made to the DSDT.
    config.patchDSDT.plist - does some patching. config.plist (default) - only fixes regions  One should start with config.plist 
    if there are glitches, then try config.EDID-2e2 or EDID-2e3
    if you are on Mojave - presumable means you know what are doing! - then you need start with this one - which injects EDID-2e3. Note: I am actually using EDID-2e2.
    For High Sierra and earlier: The Model should be set to MacBookPro8,1 to get proper Graphics patching - DP/HDMI/DVI/VGA FrameBuffers   Clover does dynamic patching Patch AppleIntelSNBGraphicsFB.kext -  Patch replaces the 4th port/buffer (DVI on dock) with VGA on left side. The 4 ports after patch are: LCD, DisplayPort on side, DisplayPort on dock, VGA on side. 
    If you need DVI on the dock - then disable this patch! Or modify the edit scheme to change the 2nd or 3rd port (DP) to be the DVI if still want the VGA port. Patch IOAHCIBlockStorage.kext - adds SSD TRIM function for a 3rd Party SSD - one can use the trimforce command now Patche for SATA ultra bay Note: Lilu+AppleALC will patch AppleHDA.kext for audio codec Conexant 20590/20672 chipset Zip includes Clover files and custom kexts with kext install script: _kextinstall.command (but this is not needed anymore) Gfx parameter files in Displays/Overrides offer more natural color gamma curves and screen options Newer Thinkpad theme - adds macOS Icons that may not be in the standard clover installer. Special keys on laptop (not USB or Bluetooth keyboard) without keymap remap SSDT :  FN keys LCD Brightness are controlled by these 2 button pairs to change brightness up/down: Fn+Home/End or ScrLck/Pause Audio Levels: The 3 buttons above F1-F3 control volume (except mic mute) Insert key is the CD/DVD eject. Blue ThinkVantage button - toggles fan to highest speed. The Alt key is the Mac Command key and Microsoft flag key is the Mac Option key. Fn+PgUp - turns on the light!
      DSDT Notes
    Some of the DSDT tweaks (beyond manwe150's original version) are listed here. DSDT includes source and binary The "EDID" versions of DSDT.aml be use override removes infamous HD 3000 glitches and buffer hangs or so-called artifacts for 1600x.900 LCD. Added MaxBeepBootVolume to DSDT to rid AppleHDA assertion on startup Shutdown fixes in DSDT _PTS and _WAK (thanks to TimeWalker75, RehabMan and Manwe150) Change/fixes to reset LEDs for proper sleep/wake status Battery fixes to use native/current ACPIPlatform.kext with Rehabman's ACPIBatteryManager.kext - no need to rollback or patch AppleACPIPlatform.kext anymore. PNLF additions from RehabMan provide smoother/wider LCD backlight control with IntelBacklight.kext DSDT mods to KBD device - renamed to PS2K and added LENOVO OEM-ids for VoodooPS2Controller to use. The PS2 Keyboard is identified as id LENOVO table-id T420 which will pickup the custom VoodooPS2Controller settings. For El Capitan+, removed the _PRW method from some of the devices in the DSDT
    DSDT for "heat-step" (DSDT.heat-step.aml) has a modified method to incrementally control the fan speed vs automatically by BIOS.
    Follow the installation recipe to use this approach:
    copy/replace the default DSDT.aml file with the DSDT.heat-step.aml file in the ESP make sure the ACPIPoller.kext is in use to active the method - changes fan speed vs CPU temperature. reboot For Example:
    mkdir /Volumes/ESP sudo mount -t msdos /dev/disk0s1 /Volumes/ESP cp -a /Volumes/ESP/EFI/CLOVER/ACPI/DSDT.heatstep.aml /Volumes/ESP/EFI/CLOVER/ACPI/patched/DSDT.aml cp -a /Volumes/ESP/EFI/CLOVER/ACPI/kexts/Misc/ACPIPoller.kext /Volumes/ESP/EFI/CLOVER/kexts/Other/ Optional: Create a custom SSDT
    Included is a revised Pike's SSDT generation script (ssdtPRGen.sh) and other items such as DSDT compile tool iasl. Clover can build a proper SSDT for power but if you want to play with the values this may help. Install and run the ssdtPRGen.sh script:
    cd ~/Downloads/Lenovo-T420-Clover-YYYY.MM.DD/Utilities/ sudo ./install_tools.command /usr/local/bin/ssdtPRGen.sh Scripts and tools will be put in /usr/local/bin. A directory ~/Library/ssdtPRGen will be created with other related data
    Script creates P and C states to match system CPU. One can hand-edit to modify values for lower power consumption.
    Copy ssdt.aml to your ESP ACPI/patched folder: /Volumes/ESP/EFI/CLOVER/ACPI/patched
  3. Like
    maropr reacted to Mohamed Khairy in {Guide} DELL INSPIRON N5110   
    Contents
    Some information you need to know to bypass installation without panic . Bios mod --> latest bios mods for UEFI Unlocking , Native power management and Vesa mode . Pre Install --> preparing your Usb Flash Memory for installation . Post Install --> Finishing installation Customisation --> optional ! . Problems and Solutions . Credits . Updates .  
     
    some Info
    -you need to know that with OS X we need to make some customisation for every hardware spesfication .
    -our notebook have some customisation on cpu , graphics and wireless card .
    -so when you going to setup you must to know your cpu name to choose your SSDT-4.aml this table show to OS X the power states that this cpu works with it .
    -you need also to use the correct DSDT.aml and Config.plist this is determined by the presence of nVidia Card , AMD Card or not .
    -if you are looking for using WIFI on osx the only working card is dell Wireless 1702 card , Replace your one with working one if you don't have .
    -intel wireless card won't work also nvidia & AMD GFX Cards won't work don't ask about them . 
    -you need to do bios mod it is a must .
     
    Bios Mod

    You can find here bios mod LINK
    you will find tool to apply bios mod .
    close all programs open tool choose bios file on setup menu choose Program all Blocks press flash wait till finish close program shutdown the notebook .. you done this bios mod contain unblocked UEFI , updated microcode , updated intel vbios with support for vesa mode & patched power management module .

    Pre Install


    for Pre Install you will need
    Instal OS X ........ .App Get it From App Store . Pre Install Folder LINK . Flash Memory 8 GB or more . watching this Video .
     
    now you ready for installation without any panic or any problem
    start setuping
     
     
    For Windows Setup
    - boot normally from Window DVD ( don't use UEFI ) and setup as normal
    - Later to boot windows just exit Clover or press F12 and choose HDD ( this after we install clover on HDD )
  4. Like
    maropr got a reaction from amiiine in {Guide} DELL INSPIRON N5110   
    Hello
     
    FTP to the latest BIOS A10
     
    http://ftp.dell.com/FOLDER00378871M/1/
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