Réponse à : « EFI and Firmware update from 4,1 to 5,1 for Sierra Upgrade Solved »Download: 1. Download Mac Pro 2009-2010 Firmware tool http://forum.netkas.org/index.php?topic=... 2. Download firmware for Mac Pro 5.1 (MacProEFIUpdate.dmg) from Apple Disable System Integrity Protection: 3. Restart your 2009 Mac Pro holding Command + R (you will restart into Recovery Mode) 4. In Recovery mode, click on "Utilities" and select Terminal 5. In Terminal, type csrutil disable 6. Press Return 7. Restart Mac Pro Run Updater: 8. Once restarted, Double click (mount) MacProEFIUpdate.dmg. Drag onto your desktop the MacProEFIUpdate.pkg from the mounted dmg. 9. Drag the Mac Pro 2009-2010 Firmware Tool.app onto your desktop. Once it is mounted on desktop, run Mac Pro 2009-2010 Firmware tool. 10. Shut down Mac pro. 11. Once shut down, hold the Power Button until you hear a tone, and let go. Your computer will now upgrade firmware. Last steps. Enable System Integrity Protection: as per original list. Done!!
Réponse à : « EFI and Firmware update from 4,1 to 5,1 for Sierra Upgrade Solved »Upgrading MacBook Air to NVME-level firmwarerequires having an Apple SSD installed. I suggest you buy one on eBay, upgrade, and then resell the Apple SSD,
Réponse à : « EFI and Firmware update from 4,1 to 5,1 for Sierra Upgrade Solved »For the 2009 Mac Pro Firmware update, you need to disable System Integrity Protection first. Here's a quick data dump--I'm about to do this myself. As you may know, some Mac Pro models have been introduced that are identical or very nearly identical to the model that preceded them. Such is the case with the 2007 Mac Pro (MacPro2,1) and the 2010 Mac Pro (MacPro5,1). I decided to see if it was possible to come up with a way to update the firmware on the 2009 Mac Pro with the firmware from the 2010 Mac Pro. The hardware of these models is very close. The only thing that differs is the CPU socket mechanism on the dual CPU model, which uses Xeon CPUs with the IHS (Integrated Heat Spreader) removed, and the SMC firmware version. The CPU socket issue is transparent to the firmware, and the SMC firmware difference between 2009 and 2010 models is not an issue. As long as the SMC firmware version matches between the main board and the CPU board, everything works perfectly. To explain how this was accomplished, let...