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Whit3Spirit

Disabling NVIDIA Optimus card on all laptops

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Edited the 15/07/2014

Hi all !

 

After months of passive research i have found on some different forums a DSDT solution for disabling the NVidia card.

Disabling Nvidia allow to save battery power of 2x and temperature of laptop too.

 

 

 

 

My Specs

 

Acer Aspire V3-571G-73614G50Makk

:: Processor
:: Mainboard
Intel HM77 (Panther Point)
:: Memory
4096 MB
:: Graphics adapter
NVIDIA GeForce GT 640M - 2048 MB, Core: 708 MHz, Memory: 900 MHz, DDR3, 80.07.14.00.09, Optimus
:: Display
15.6 inch 16:9, 1366x768 pixel, LG Philips LP156WH4-TLA1, TFT LED
:: Soundcard
Realtek ALC269 @ Intel Panther Point PCH - High Definition Audio Controller
:: Networking
Broadcom NetLink BCM57785 PCI-E Gigabit Ethernet Controller (10/100/1000MBit), Atheros AR5BWB222 Wireless Network Adapter (b g n ), 4.0 Bluetooth
:: Optical drive
MAT{censored}A DVD-RAM UJ8B0AW
:: Hackintosh Config
 
 
 
DSDT/SSDT Method ( :excl: work on it, not fully fonctionnal :excl: ) : Link here
 
DSDT Method (work with all bootloader)

 

Instructions

Needed 

  • AIDA64 version 2.80 --> link
  • ssdtPRGen.sh --> link
  • AppleIntelCPUPowerManagementInfo.kext --> link
  • MacIASL --> link

 

Disabling NVidia card

  • In the first step, dump your dsdt from Windows with AIDA64 (version 2.80 max) --> tuto YouTube
  • Reboot on OSX
  • This patch don't need to extract or modify any SSDT. You can see the DSDT edits in the link of qwerty12 topic in credits. Quickly, in DSDT, i call external method for disabling the card. These links calls methods of SSDT-4 in my config but can be different with your machine. You don't need to copy manually the _OFF method from SSDT to DSDT. Add these lines if you don't have them to the top of your DSDT :
[...]

External (_SB_.PCI0.PEG0.PEGP._PS3, MethodObj)
External (_SB_.PCI0.PEG0.PEGP._PS0, MethodObj)
External (_SB_.PCI0.PEG0.PEGP._OFF, MethodObj)
External (_SB_.PCI0.PEG0.PEGP._ON, MethodObj)
External (_SB_.PCI0.PEG0.PEGP.SGOF, MethodObj)
External (_SB_.PCI0.PEG0.PEGP.SGON, MethodObj)

[...]
  • I added the method  M_OF before the _WAK method : 
[...]

Method (M_OF, 0, NotSerialized)
    {
        If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._OFF)) 
        { 
            \_SB_.PCI0.PEG0.PEGP._OFF()
        }
        If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._PS3))
        {
            \_SB_.PCI0.PEG0.PEGP._PS3()
        }
        If (CondRefOf(\_SB_.PCI0.PEG0.PEGP.SGOF))
        {
            \_SB_.PCI0.PEG0.PEGP.SGOF()
        }
​    }

[...]

 

  • After that, i call the M_OF method in _WAK :
[...]
Method (_WAK, 1, Serialized)
     {
         M_OF ()
         If (LAnd (LEqual (\_SB.PCI0.LPCB.EC0.AAST, One), LEqual (\_SB.PCI0.LPCB.EC0.AAEN, One)))
         {
             Store (Zero, GP53)
[...]
  • And i call the M_OF method in the _INI method :
[...]
Method (_INI, 0, NotSerialized)
         {
             Store (0x07D0, OSYS)
             M_OF ()
             If (CondRefOf (\_OSI, Local0))
             {
                 If (_OSI ("Windows 2001"))
[...]
  •  chameleon.png If you use Chameleon or branch, paste your modified DSDT to your Extra folder and add these options to your org.chameleon.Boot.plist :
<key>DSDT</key>
<string>/Extra/DSDT.aml</string>
<key>DropSSDT</key>
<string>No</string>
  • four-leaf-clover.png If you use Clover Bootloader, copy DSDT file in "EFI/CLOVER/ACPI/Patched"
  • Reboot and go to Applications/Utilities/System Information 
  • Go to Graphics Card Section, if the NVidia Chipset not appear, it’s working.

126051Capturedcran20140125174958.png

 

 

 

 

Enable the SpeedStep management

 

The only problem with this technic is the Power Management. When your turn off the DropSSDT flags in org.chameleon.Boot.plist, Chameleon don’t go dump your SSDT tables in the ACPI tables of your machine.

For enabling SpeedStepper with that fix, you should make a patched SSDT with the ssdtPRGen method :

 

  • Download the later ssdtPRGen.sh
  • Be sure that your SMBios.plist is appropriate with your CPU and system (A good SMBios can fix the iMessage, iCloud, iTunes and Apple Store connexion and login bugs). With my V3-571G core i7, i prefer the Macmini6,2 model for more speed steps.
  • In Terminal app, launch the ssdtPRGen.sh with command :
sudo sh /the_way_of_your_file/ssdtPRGen.sh
  • chameleon.png  Write your password and type "y" when it’s demanded for make a ssdt_pr.aml in your Extra folder only if you use Chameleon bootloader.
  • four-leaf-clover.png  If you use clover, copy this file in "EFI/CLOVER/ACPI/Patched" and rename it to ssdt-1.aml. If you have already a ssdt-1, rename it to ssdt-2... :hyper:
  • Reboot 
  • To be sure that your Speed Stepper is patched, download the AppleIntelCPUPowerManagementInfo.kext and add it to your System/Library/Extensions/ folder with the kext installer of your choice. I for one better in Kext Utility.
  • Rebuild cache with the app of your choice (kext utility make that automaticly) and reboot.
  • At start, open your terminal app and type this command : 
cat /var/log/system.log | grep "AICPUPMI:"
  • If you can see a lot of P-States, you did a good job.

 

157136Capturedcran20140125174245.png

 

 

 

 

 

 

 

About problems

 

Problem with auto ON after sleep

  • Past this method before the M_OF method in your DSDT :
Method (M_ON, 0, NotSerialized)
{
If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._ON))
{
\_SB_.PCI0.PEG0.PEGP._ON()
}
If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._PS0))
        {
            \_SB_.PCI0.PEG0.PEGP._PS0()
        }
If (CondRefOf(\_SB_.PCI0.PEG0.PEGP.SGON))
        {
            \_SB_.PCI0.PEG0.PEGP.SGON()
        }
​ }
  • After that, call M_ON method in _PTS (Prepare To Sleep) so that the _WAK after sleep can shutdown the card. (thanks to RehabMan)
Method (_PTS, 1, NotSerialized)
    {
        M_ON ()
[...]

Error of compilation

 

If you find an error of compilation in MacIASL after have make a clean DSDT (with no error), like "Line 1 : Input file does not appear to be an ASL or data table source file"

 

413958Capturede769cran20140715a768192227

 

 

Try to delete all return to the line in the M_ON or M_OF method or just replace it like that :

 

  • M_OF
Method (M_OF, 0, NotSerialized){If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._OFF)){\_SB_.PCI0.PEG0.PEGP._OFF()}If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._PS3)){\_SB_.PCI0.PEG0.PEGP._PS3()}If (CondRefOf(\_SB_.PCI0.PEG0.PEGP.SGOF)){\_SB_.PCI0.PEG0.PEGP.SGOF()}}
  • M_ON
Method (M_ON, 0, NotSerialized){If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._ON)){\_SB_.PCI0.PEG0.PEGP._ON()}If (CondRefOf(\_SB_.PCI0.PEG0.PEGP._PS0)){\_SB_.PCI0.PEG0.PEGP._PS0()}If (CondRefOf(\_SB_.PCI0.PEG0.PEGP.SGON)){\_SB_.PCI0.PEG0.PEGP.SGON()}}

Credit

 

Thanks to PikeRAlpha for ssdtPRGen.sh

Thanks to 'qwerty12' for all informations --> link of her topic

Thanks to 'Skvo' for speedster and SSDT solution --> link of her post

Thanks to RehabMan for their instructions

Thanks to LexHimself for the SSDT method

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Great work man, do you think that your patch is compatible or can be modified to work on my dsdt ? Nvidia card is 670mx with hd4000

 

DSDT https://www.dropbox.com/s/ehmksupwhn1440d/DSDT.aml

IOREG https://www.dropbox.com/s/4k1b5nbuxl3tqz7/ioreg.ioreg

 

Hi Badaxe, try with that and say to me if your card is disabled.

link

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Hey, do you think that your patch is compatible or can be modified to work on my dsdt? I have a Nvidia GTX 765m and a Intel HD4600


 


DSDT https://www.dropbox.com/s/vx30qnw4l270qcc/DSDT.aml


IOREG https://www.dropbox.com/s/4rffijvra3verdw/XMG%20C702.ioreg


 

Is it important that I create my DSDT with AIDA64, or can I create my DSDT with DSDT Editor on Mac?

I use Clover v.2330.

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Is it important that I create my DSDT with AIDA64, or can I create my DSDT with DSDT Editor on Mac?

 

 

DSDT Editor is a good editor but it can only extract the DSDT. AIDA can extract DSDT, SSDT, and all ACPI's tables. 

Can you extract your SSDT tables and upload it here ?

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I got some Problems.

 

First is, I don't find the option "ACPI Tools" on Windows 8.1 at the actual AIDA64 Version. But I have found a older Version 3.20.2600 and there ist the option "ACPI Tools".

The Program says that my Motherboard was not found or is Unkown.

 

Second is, that when I use the old Version of AIDA64 in ACPI Tool and click on Save Table I see 7 Lists of SSDT.

Which one you need?

 

post-867195-0-53742200-1393833868_thumb.jpeg

 

Should I upload all?

 

Here is a Zip with all SSDT 1 to 7 from up to down and the actual DSDT.

 


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Hi guy !

I have opened your DSDT, the first have a bug or is wrong and the second is so buggy ! I try to debbug it but i'm not sure to getting there...

I tell you quickly if i'm able to do it.


Can you upload your DSDT original extracted from AIDA too please ?


Edit : I have found your PS3 and DSM method in SSDT-7, i think that the hack will be functional.

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I got some Problems.

 

First is, I don't find the option "ACPI Tools" on Windows 8.1 at the actual AIDA64 Version. But I have found a older Version 3.20.2600 and there ist the option "ACPI Tools".

The Program says that my Motherboard was not found or is Unkown.

 

Second is, that when I use the old Version of AIDA64 in ACPI Tool and click on Save Table I see 7 Lists of SSDT.

Which one you need?

 

attachicon.gifimage.jpeg

 

Should I upload all?

 

Here is a Zip with all SSDT 1 to 7 from up to down and the actual DSDT.

 

https://www.dropbox.com/s/fgg87z14moyboji/DSDT%20SSDT%20AIDA64.zip

Disassemble them correctly:

# in Terminal, with recent iasl
iasl -da *.bin *.aml
These patches for DSDT:

into method label ADBG replace_content begin //nothing end;
Remove all the lines 'Zero' starting at line ~6258.

 

You then have a DSDT which will compile with no errors.

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Hi all I have a samsung notebook series 3 with nvidia optimus and 520MX intel hd 3000 I would like to disable the secondary display adapter in order to use the video card intel 3000. This guide is fine for my notebook? thank you very much

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Hi Mydoom3.

 

Try it and if you have a problème, post there.

 

 

 

 


Disassemble them correctly:

# in Terminal, with recent iasl
iasl -da *.bin *.aml
These patches for DSDT:
into method label ADBG replace_content begin //nothing end;
Remove all the lines 'Zero' starting at line ~6258.

You then have a DSDT which will compile with no errors.

 

 

Yes but this dsdt was modified and have 160 errors. With the original DSDT, it's more simple ^_^

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I think it's a bit easier to disable your nvidia optimus in your ssdt ( especially for Haswell ). And you should decompile your dsdt/ssdt through iasl to reduce errors to minimum

P/S: here an example for you, I patched it already, although this Alienware can use the GTX 765M: http://www.insanelymac.com/forum/topic/296713-alienware-17-need-help-with-dsdt-compile-error/

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Here is my DSDT original extracted from AIDA.

 

AIDA64_dsdt.aml.zip

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Yes a


I see that but the DSDT is corrupted. I can't make a clean result for save in aml... Sorry dude, i did my best :(

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Yes a

 

I see that but the DSDT is corrupted. I can't make a clean result for save in aml... Sorry dude, i did my best :(

Post #10 contains instructions for obtaining an error free DSDT compile.

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To Post #10

I have no idea how your method works.
In which terminal I need to copy the code?

# in Terminal, with recent iasl
iasl -da *.bin *.aml

I need to use the program MaciASL, DSDT Editor or DSDTSE?

I found this: http://www.osx86.net/files/file/4-iasl-intel-acpi-tools-x64/

Can you post a tutorial or some explanations?

 

At the moment I get about 150 Errors, but I don't use the Code in the Terminal...I don´t know how does it goes... :(

 

THANK YOU GUYS!!

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To Post #10

 

I have no idea how your method works.

In which terminal I need to copy the code?

# in Terminal, with recent iasl
iasl -da *.bin *.aml

I need to use the program MaciASL, DSDT Editor or DSDTSE?

I found this: http://www.osx86.net/files/file/4-iasl-intel-acpi-tools-x64/

Can you post a tutorial or some explanations?

 

At the moment I get about 150 Errors, but I don't use the Code in the Terminal...I don´t know how does it goes... :(

 

THANK YOU GUYS!!

You need to extract all ssdt along with dsdt, only one dsdt is not enough to decompile. Then copy all *.aml and iasl to one folder, run iasl -da *.bin *.aml, the .dsl will have much fewer errors.

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hmm, thank you, but I get Kernal Panic... :(

And when I open the DSDT_clean-mo1.aml and compile it, I get 201 Errors...

 

post-867195-0-69730700-1397411787_thumb.jpgpost-867195-0-41623300-1397411822_thumb.png

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      SD Card Slot (had to remove VoodooSDHC.kext which caused system freeze on wake)  
      Known Issues and Their Solutions
      (Not yet included in E6410-Catalina.zip archive attached to Post #1) There are new versions of acidanthera kexts as described here.  I hadn't noticed any issues with the older kexts, so the kexts are not yet included in the E6410-Catalin.zip archive attached to this first post and will be included in a future update to the E6410-Catalina.zip archive. (Solved - no further work required) Clover r5118 requires the config.plist key <key>NoDefaultProperties</key><false> to permit macOS to boot with Clover's "Inject Nvidia" = True.  See details here.  config.plist in the attached E6410-Catalina.zip archive includes this change. (Solved - no further work required) EFICheck is loaded.  Solution is to install EFICheckDisabler.kext which you can get here.  EFICheck.kext is included in the attached E6410-Catalina.zip archive. (Solved - no further work required) Some users experience display issues.  The solution is to remove Device (PNLF) from the DSDT.  Use the attached DSDT.  Removal of PNLF will disable sleep on lid closure.  Device (PNLF) can be added without modifying the DSDT by enabling the Clover PNLF ACPI patch.  The attached Clover config.plist enables the PNLF DSDT patch.  Disable the Clover PNLF patch if you experience display issues. (Solved - no further work required) USB sleep/wake power IORegistry keys are not injected (not included in Mojave's or Catalina's IOUSBHostFamily.kext).  Solution is to added SSDT-USBX.aml to EFI/CLOVER/ACPI/patched.  The attached SSDT-USBX.aml includes USB sleep/wake properties for MacBookPro6,2 from High Sierra 10.13.6 IOUSBHostFamily.kext. (No solution yet) Brightness slider does not work in System Preferences > Displays.  Brightness is easily controlled with Dell brightness keys.  There is some work on this later in this thread, but I will not be solving this as I'm content with the Dell brightness keys (and Ambient Light Sensor works to auto-adjust brightness). (No intention to solve) Display Settings in System Preferences are "garbled" when bright slider is visible.  This is a known issue with the legacy graphics patch and does not affect laptop operation. I continue to refine the DSDT and CLOVER config.plist to optimize my Latitude E6410 for multi-booting between various macOS versions (High Sierra, Mojave and Catalina at the time of this writing). If you upgrade your Latitude E6410 EFI using my attached EFI, you may find that your Latitude E6410 is stuck in a boot-loop that ends in a white screen and reboots.  Clear your system by doing the following: turn off your laptop, remove A/C power, remove the main battery, press and hold the power button for 30 seconds, restore A/C power and battery, boot normally.  I have only found this to be necessary (very rarely) after making an EFI change, but you may find it helpful if making kext changes in /Library/Extensions as well. (Solved - no further work required) Brcm firmware does not update when using BrcmFirmwareRepo.kext in /Library/Extensions.  Solution is to install BrcmFirmwareData.kext and BrcmPatchRAM3.kext in E/C/k/O with Clover "Inject Kexts" = YES. (Solved - no further work required) Laptop does not sleep when closing lid.  Solution appears to be a combination of adding Notify (LID0) code to Method (BTNV) and adding Device (PNLF) in the DSDT. I am using the same EFI for High Sierra 10.13.6, Mojave 10.14.6 and Catalina 10.15.3 and it works in all three macOSes. (No solution yet) No SD Card Slot (had to remove VoodooSDHC.kext) - I read somewhere that there is a solution that does not require any kexts (just a DSDT edit).  Haven't yet implemented this fix. (Not a problem that needs to be solved - leaving for historical purposes.  I am running Catalina without this.) - IOHWControl does not load under GFX0 (as observed in IORegistryExplorer).  Solution (if it needs to be solved) is to install AppleHWSensor.kext from a DosDude-patched Mojave /S/L/E in Catalina's /L/E.  Copy and install your own or use the kext attached to this post. (Solved - no further work required) Wi-Fi connection is delayed until a minute or so after boot - Use VoodooHDA and NOT AppleALC (Solved - no further work required) External USB ports do not work after waking from sleep (S3) - Upgrade Lilu.kext and replace BrcmFirmwareRepo.kext and BrcmPatchRAM2.kext (in /L/E) with latest BrcmBluetoothInjector.kext, BrcmFirmwareRepo.kext and BrcmPatchRAM3.kext. (Solved - no further work required) Boot and shut-down time of Catalina is slower than Mojave - Upgrade Lilu.kext and replace BrcmFirmwareRepo.kext and BrcmPatchRAM2.kext (in /L/E) with latest BrcmBluetoothInjector.kext, BrcmFirmwareRepo.kext and BrcmPatchRAM3.kext. (Solved - no further work required) Wi-Fi is not immediately available at OS startup - Upgrade Lilu.kext and replace BrcmFirmwareRepo.kext and BrcmPatchRAM2.kext (in /L/E) with latest BrcmBluetoothInjector.kext, BrcmFirmwareRepo.kext and BrcmPatchRAM3.kext. (Solved - no further work required) Laptop freezes on wake - Remove VoodooSDHC.kext from /Library/Extensions  
      Tips for Improved Performance (on this and other older systems)
      System Preferences > Spotlight > Search Results: Uncheck all options System Preferences > Spotlight > Privacy: Add all Volumes System Preferences > Accessibility > Display: Check "Reduce motion" System Preferences > Accessibility > Display: Check "Reduce transparency"  
      Other tips
      If your fan is always running and temps are good, try pressing Fn + z (I haven't noticed this issue for a while since I completed DSDT edits for Mojave, but keeping this here for historical purposes)  
      CLOVER Installation: Use these configuration options (These configuration options configure Clover for LEGACY BIOS - NOT UEFI)
      Install Clover in the ESP Boot Sectors Install boot0af in MBR Clover for BIOS (LEGACY - NOT UEFI) booting Clover EFI 64-bits SATA BIOS Drivers, 64-bit Recommended drivers FSInject File System drivers ApfsDriverLoader Install RC scripts on target volume Themes Choose your desired theme Install Clover Preference Pane After clicking "Continue", if prompted with "This Clover package is incompatible with this version of macOS," install anyway  
      After CLOVER installation is complete Copy the following from the attached E6410-Catalina.zip ACPI patched contents config.plist (change XX-MASKED-XX values to your own) kexts/Other (remove all other kext folders) Remove christmas and new year folders from themes (if present)  
      Screenshots
       
      Credits
      Thanks to those who contributed to my Mojave solution and to the DosDude team (for the incredible macOS patchers), I think this Catalina installation was the easiest macOS installation that I have experienced (so far).  Many thanks to @Slice and his team for the incredible work on CLOVER and for continuing to support old legacy systems like this.  Also, thanks to @Mieze and @headkaze and others I'm sure for maintaining the Brcm kexts.  And finally, I still prefer to manually apply patches to the DSDTs in my systems.  CLOVER offers extensive patching functionality, but I'm old-school and like to have an error-free, fully-patched DSDT with a simple CLOVER config.plist.  I think that this manual DSDT patching approach (which required an extensive review and debugging of the original unpatched DSDT in this thread) is the reason that this Latitude E6410 is such a perfect MacBookPro6,2.  Thank you @RehabMan for being a great teacher and for always insisting on problem reporting files .
       
       
      AppleHWSensor.kext.zip
      gen_debug
      E6410 Catalina-5v2.zip
    • By Ciumann
      Ho fatto l'aggiornamento sicurezza 2020-005 e all'avvio non mi carica i webdrivers. Il Webdrivers updater mi dice che non ci sono aggiornamenti per questa build (17G14033). Come posso risolvere?
      Grazie!
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