Mac Pro 4,1 to 5,1 Firmware Upgrade High Sierra

Mac Pro 4,1 to 5,1 Firmware Upgrade High Sierra

Introduction

The 2009 Mac Pro shares an identical motherboard with the 2010 model. With a firmware update, you can utilize newer CPUs and upgrade to macOS ten.12 and ten.13.

It is of import to note that you will need an official Apple GPU installed while performing the flash, and then go ahead and dig out that old GT120 that came with the system when you purchased it if you’ve upgraded to a non-official GPU in the meantime.

If y’all opted for a GPU upgrade from Apple at whatever bespeak, you lot may have a different menu. This could include:

• ATI Radeon 4870

• ATI Radeon 5770

• ATI Radeon 5870

Provided these are original Apple cards, y’all should be fine to proceed.





  1. First thing's first: You will want to upgrade to macOS 10.11, which is the latest "officially" supported version of macOS for the 4,1 Mac Pro.
    Provided you are on at least 10.6.6, you should be able to download the installer from the Mac App Store by following this link
    If you are on 10.6.5 or earlier, you will need to first upgrade via Software Update to the last release of Snow Leopard (10.6.8) to get access to the Mac App Store.

    • Offset thing’southward start: You lot will want to upgrade to macOS 10.11, which is the latest “officially” supported version of macOS for the 4,1 Mac Pro.

    • Provided you are on at least ten.6.six, you should be able to download the installer from the Mac App Store
      by following this link

    • If yous are on 10.6.v or earlier, you volition need to offset upgrade via Software Update to the last release of Snow Leopard (ten.6.8) to become access to the Mac App Store.

    • Yous volition need to download two dissimilar packages to complete the upgrade:

    • Mac Pro EFI Update

    • Firmware Update Tool
      (hosted at Netkas in the bottom of the first mail)



    • You lot’ll need to disable Organization Integrity Protection (SIP) in order to wink the new firmware.

    • Restart your Mac Pro and concur
      cmd+r
      to kicking into the recovery segmentation on your kick drive.

    • Once in Recovery Mode, get to the Utilities bill of fare at the top of the screen and click
      Terminal

    • Enter the following command:

    • csrutil disable

    • Hit return and restart your Mac Pro every bit normal.



    • While the tool was originally designed to pull the firmware directly from Apple’s website, a change in the file location and name on Apple’s part has fabricated it necessary to download & mount the .dmg prior to running the tool.

    • Double click the firmware file yous downloaded in step one to mount the disk epitome to your desktop.

    • Right click and select “Open” on the firmware update tool. Since it is not signed with the proper certificate, macOS will probable turn down to open up it just by double clicking the file. Right click the file and open up from the carte du jour to fix this.

    • Y’all should accept ii options in the window – upgrade to 2010 firmware and downgrade to 2009 firmware. Only i option will exist available at whatever given time, dependent on which firmware you have installed.

    • There is really no reason to e’er downgrade to 2009 firmware, equally none of those machines are still under any warranty from Apple and the organization discs are not equally important now that all OS versions are given equally software downloads.

    • Y’all are not required to upgrade your CPUs if you update to the 2010 firmware- your original system configuration will continue to operate as it e’er has.

    • Be sure to read whatever and all information that the utility may pop upward.

    • IF YOU Have DIFFICULTY: Try using this
      alternate tool.



    • After the tool has finished its work, it will tell you to shut down your computer. Merely perform a normal shut downward process.

    • After your Mac Pro is powered off, concur the power push down until you come across the power LED blink quickly or you hear an aural tone. The blinking LED will precede the tone.

    • Your reckoner should now brainstorm to update the firmware on its own. You should see a gray screen with a progress bar at the bottom of the screen.

    • This is a different bar than you would normally come across with macOS- the firmware updating bar will be a hollow rounded rectangle that slowly fills up, rather than simply a bar that slowly gets longer as you would typically see.

    • Your computer may restart on its own again post-obit the wink.



    • Once your car has rebooted to the desktop, information technology’s time for the moment of truth.

    • Open
      Well-nigh this Mac
      and click on
      Arrangement Report

    • It is worth noting that
      About this Mac
      will still report this as a Mac Pro (2009), even after a successful flash.

    • In
      Arrangement Report
      you should run into a line in the commencement window labeled
      Model Identifier
      – if the firmware flash was successful, you should see
      Mac Pro5,1



    • Unless y’all have a compelling reason otherwise, you’ll want to reenable SIP. Once more, you’ll have to become into Recovery Manner just like yous did earlier and open the Terminal.

    • Enter the following control

    • csrutil enable

    • Reboot the auto and let it load to the desktop. Open up a new terminal window and enter the following command to cheque the status of SIP

    • csrutil status

    • If all was successful, you should become a line back that reads:

    • Organisation Integrity Protection status: enabled.



    • And that’s all in that location is! Now you should be able to upgrade the processors to a much wider swath of options.

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Mac Pro 4,1 to 5,1 Firmware Upgrade High Sierra

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