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UPGRADE MAC OPERATING SYSTEM TO 10.7 HOW TO
UPGRADE MAC OPERATING SYSTEM TO 10.7 INSTALL
UPGRADE MAC OPERATING SYSTEM TO 10.7 UPGRADE
UPGRADE MAC OPERATING SYSTEM TO 10.7 FULL
UPGRADE MAC OPERATING SYSTEM TO 10.7 PRO

Add your machine’s board ID to this list.

Step 5a: Open “Distribution” in TextEdit and scroll until you see a list of supported machines Board ID’s.

Step 4c: Navigate the contents of the installer to System/Library/CoreServices/ist and copy that plist to the desktop.Īctual Modding Step 5: Add Board ID to Supported Machines.

Step 4b: Open OSInstall.mpkg with Flat package editor and drag the “Distribution” file to your desktop.

Inside the OSX installer contents is a folder called “Packages”.

Step 4a: Move the OS X installer downloaded during step 1 to a simple location (such as the desktop).

Step 3: Download Tiamo’s boot.efi from within his MacRumors thread Step 4: Prepare OS X Installer NOTE: Specific facts regarding the use of PackageMaker are readily available online and within the documentation provided as part of the XCode installation. To navigate to it after installing XCode, simply go to the following path and launch the application: This tool is part of a package called PackageMaker, which allows you to create custom installation packages. You will need access to the application called “Flat package editor”.

UPGRADE MAC OPERATING SYSTEM TO 10.7 INSTALL

Step 2: Download or install Xcode (from Apple or from a retail copy of Snow Leopard) Regardless of what you do to accomplish this step, you will need a clean, unmodified installation package of Mountain Lion, or later before proceeding (we use Mavericks in this example). To get around this problem, simply begin by downloading the installer on another Mac capable of running it natively.

UPGRADE MAC OPERATING SYSTEM TO 10.7 PRO

This can’t be easily done on the Mac Pro you are modding (there are other methods, but you will need the other Mac in step 9 as well). Gathering the Necessary Files Step 1: Obtain the OS X installer for Mountain Lion or Mavericks

Another Mac capable of booting into Mountain Lion (or later) natively: This is essential to have during the installation process in order to read the modified bootable version of OS X for installing on the Mac Pro 1,1 or 2,1 hard drive (Mavericks used in this example).

These models can’t run versions of OS X beyond Lion 10.7.5 without a modified boot efi.

UPGRADE MAC OPERATING SYSTEM TO 10.7 FULL

Though all the Mac Pro hardware from the beginning has been fully 64-bit, early models that shipped between 2006 and early 2008 shipped solely with a 32-bit boot EFI and thus were artificially crippled when it came to full 64-bit operation.

Obtain Mountain Lion (or later) installer: As you may have noticed, Apple’s App Store denies the installation of the unsupported versions of OS X because of a lack of hardware compatibility (this is typically pre-written into a bad machines list in the installer).

Follow the steps below and you too can enjoy the affordability and upgradeability that a Mac Pro 1,1 or 2,1 can provide.

UPGRADE MAC OPERATING SYSTEM TO 10.7 UPGRADE

After all, this was a genuine Mac Pro and not a hackintosh build.Īfter a great deal of persistence, I was thrilled to eventually find a native upgrade path (again, many thanks to Tiamo at MacRumors) that is not that hard to accomplish. Many who I chatted with and messaged during my search for answers claimed it just wasn’t possible to use the nVidia 210 in a Mac Pro 1,1 without running Chameleon or other hackintosh tools to get OS X 10.8 Mountain Lion or later installed (a necessity for using the nVidia 210 but not technically possible due to the 32-bit EFI issue), which I found disappointing to say the least.

UPGRADE MAC OPERATING SYSTEM TO 10.7 HOW TO

The whole idea of upgrading a Mac Pro 1,1 for me started out of a curiosity: I began researching how to use the nVidia 210 Silent video card (with no native Mac drivers) in my Mac Pro 1,1 and was disappointed after many dead-ends, finding no readily available answers, but I refused to give up. Recently, I have been helping friends upgrade their Mac Pro 1,1 and 2,1 models with OS X 10.9.3 Mavericks (and more recently 10.9.4 and have also begun experimenting with 10.10 Yosemite with some success). Tiamo is the original modifier of the “boot.efi” file (more on that later) that allows you to run modern versions of OS X on the Mac Pro 1,1 and 2,1 which would otherwise be limited to OS X Lion 10.7.5.

Just like anyone else who frequents Low End Mac, I wanted to get more value out of my Apple hardware.īefore going further into detail, I would like to give special thanks to MacRumors forum user “Tiamo”.

As a daily Mac Pro user, I wanted to provide the Low End Mac community with the necessary steps to take a base model 2006 Mac Pro 1,1 or 2007 2,1 (that can now be easily obtained for under $500) and show you how to make it as modern as any current Mac, while retaining all of the expansion that the older tower style Mac Pros provide. My name is Robert Bryant, and I am a computer tech in Central California just south of San Jose.