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ASUS Z9PE-D8 WS Dual E5-2667v2 ES CPU's ElCapitan 10.11.6

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Hardware List:


Corsair Carbide Air 540 high airflow case

ASUS Z9PE-D8 WS Dual Lga2011v2

Corsair H80i Liquid CPU Cooling x2

Intel Xeon E5-2667 v2 ES CPU x2

Icy Box External USB3 SATA Storage for up to 4 x 3.5" HDD for a max of 16TB

Nvidia GeForce GTX660Ti  (Seems as though these cards are no longer available from new)

2x 16gb (2x8gb) 160Mhz DDR3 DIMMs (32Gb total RAM)



Please note that for a Stage 1 install you will need 1 or 2 low spec SB/IB CPU's e.g. E5-2620. Limitations of OS X versions before El-Capitan restricted the number of cores/threads to 24 so if your cores/threads are greater than 24 then you will need to install using only one CPU.


Stage 1 Installation method is incomplete at this time, it will get you to a fully functional Snow Leopard 10.6.3 but does not guide you through upgrading to Mountain Lion which is required to execute the media creation tool for a stage 2 install. However there are tools that will create the USB EL-Capitan Bootloader that will run from Snow Leopard. Google will be your friend on that subject until I add the upgrading to Mountain Lion Section of this guide.


Two display monitors of your choice but one needs to support HDMI connectivity for audio to work. Size and resolution of your own choosing but go for a minimum of 1080 for stage 2 build. The other monitor needs to support VGA, and is only used for stage 1 build.


On Board Storage Devices:


External Storage Devices:


USB3 16Gb Flash Pen Drive (Or one of your own choosing but go with quality not price)

1-4 3.5" SATA HDD's of your choice for use in the Icy Box External USB3/E-Sata storage. For those of you who are not sure of the colour ratings on HDD's, Western Digital provide the following information ...

  • Blue - For every day use.
  • Black - Optimised for Graphics, Video Editing and Gamers.
  • Red - Optimised for Home or Office use and for use in RAID systems and where multiple drives may be in close proximity to each other and may suffer heat exposure.
  • Purple - Optimised for video surveillance using multiple cameras

Software Required:


Install the latest BIOS for this motherboard from ASUS (ASUS5802 at the time of writing). Refer to the manual that came with your motherboard for information regarding flashing the BIOS. If your motherboard is already fitted with BIOS ver 5802 then you need not flash your BIOS. If your motherboard is fitted with 5601 or lower then you will need to flash your BIOS, if you are not happy with that idea then you will need to apply an MSR unlocking patch/kext. The motherboard comes with a perfectly good flashing app that will enable you to flash your BIOS without invalidating your warranty as long as you use an official ASUS BIOS that is meant for this board.


BIOS Settings for Installing OS X:

  1. Load Optimised Defaults (F5) then under Security you will need to DISABLE the secure boot option. (Required for all installation methods)
  2. Under the Advanced section CPU settings you will need to DISABLE Vt-d. (Required for all installation methods)
  3. Under the boot option you will need CSM Always and set your PXE, OpRom, Graphics etc to all be LEGACY for a STAGE 1 install, else you will need to set them to UEFI mode for a STAGE 2 installation. 


Build Purpose:

A heavy duty workstation with lots of storage potential for use with 3D Modelling apps such as Maya, Blender, Houdini etc. A computer to have the ability to push KeyShot v6 to over 200fps using their benchmark camera scene.



If you already have a running OS X System then you can skip this stage and move on to STAGE 2 Install, otherwise you should read and follow the information given below.


  • Insert your low grade CPU/s and install your RAM. If you are using 1 CPU, then insert 2 DIMMs using the outer slots either side of the CPU, if using two CPUs then insert the other two DIMMs into the outer slots for that CPU too. 
  • Do not insert your graphics card until you are ready to proceed with STAGE 2 Install.
  • Connect the VGA Backplate to the motherboard and secure it in place. The backplate provided is a little flimsy so don't apply too much pressure when connecting your VGA compatible monitor lead.
  • Power up your computer and make sure your VGA connector is working... If not refer to the manual for appropriate Jumper Pin settings.
  • Insert your Bootloader disc and reboot your computer. Follow the instructions provided with your boot loader.
  • You will need to use the -v npci=0x2000 to install your Snow Leopard 10.6.3 DVD. You might also have to add PCIRootUID=1 depending on your Boot Loader of choice.


If your Snow Leopard installs smoothly then you can proceed with installing/injecting the STAGE 1 Kexts given below. At this point you may decide to install your chosen boot loader to your HDD so you can reboot as needed without having to use your boot loader disc or USB pen drive. Personally I believe that there is no point unless you want to create a back-up incase of emergencies or for roll back purposes. If I remember rightly you do not need an AppleID in order to download any of the updates offered by Apple. To get the updates, click the Apple logo and select Software Updates. Apply the updates and restart your computer as required. Once there are no more updates available, you should be able to see the upgrade to El Capitan in the Apple App Store. If you have a spare HDD/SSD/USB you can copy the file to then download the update but do not install it, right click it's icon on the panel and tell it to quit. We need this untouched to create our USB El Capitan boot loader and installer. Copy the El-Capitan app to your spare drive of choice, we will need it later.


Stage 1 Kexts...

  1. AppleIntelE1000e.kext (Only required for permanent install or if your boot loader does not provide Networking support)





If you have installed with either low spec CPU's or a single CPU then you are now at a stage where you can either replace them or to add your second CPU.


  1. Download El-Capitan 10.11.6 from the Apple App Store, by default it will download to your Applications folder, if you change it's location the you will need to edit the following command to suit its new location.
  2. Use Disk Utility and prepare your installation USB stick by formatting the stick to use 1 GUID partition using Mac OS Extended (Journaled) with a Label of USB and apply.
  3. Open Terminal from Applications/Other/Terminal then copy and paste the following command.
  4. sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/USB --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app
  5. If the above command doesn't work then you will need to upgrade your install to Mountain Lion. (see above).
  6. When the USB Stick has been created (takes a while) then you can install Clover Boot Loader with the following settings:
    Install for UEFI booting only
    Install Clover in the ESP
    Add any themes you want (I prefer BootCamp)
    Under Drivers64UEFI add OsxAptioFix2Drv-64 and PartitionDxe-64
  7. When the install has completed, you will see an icon on the desktop called EFI, open that with finder and you will see a folder called EFI, replace that folder with my EFI.zip provided.
  8. I have deleted my SMBios and RTVariables list so you will need to generate and use your own using Clover Configurator or similar tool if you want a fully functioning Messenger & FaceTime etc.
  9. Reboot your computer with your USB stick connected and set your BIOS to use CSM Always and to boot everything but your graphics card as UEFI mode. Graphics card should boot as legacy until you notice that all the boot text is as far over to the left as it can go, then you may change the graphics card to boot UEFI mode too, if you do this too soon then you won't see anything but a black screen and you will need to physically reset your BIOS as described in the manual.
  10. Save your changes and exit the BIOS, when the computer beeps after restarting press F8 and select your UEFI USB Stick as the boot device.
  11. If all goes well, boot from the installer USB and continue with Installing OS X
  12. Install Cover Boot Loader to the HDD/SSD you just installed OS X El-Capitan to and copy over the EFI folder from your USB. You will need to use a utility to mount the EFI partition for your USB stick, Clover Configurator can do this for you too :) Once the EFI partition is mounted then you can copy your USB EFI folder to your desktop. Unmount that EFI and then use Clover Configurator or whatever utility you prefer to mount the EFI partition of the HDD/SSD you installed to and replace that EFI folder with the one on your Desktop.
  13. Reboot your computer and boot from the HDD/SSD you installed to. If everything has gone as expected you may now enjoy your El-Capitan.





Edited by TpwUK
Guide Updates

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Already done it, it breaks AICPM but it's easily fixed with Clover's ASUS AICPUPM Patch :)

There are others that are using Nvidia Web Divers having issues though because of the new build number - I dodged that one this time as i didn't have the web drivers installed for once :victorious:

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