MacBook Pro (Early 2006) Modified EFI ROM

Publisher: Abraxas
Type: System
Category: Firmware
Shared by: Martin102
On: 2021-08-24 19:28:39
Rating: 0.00 Clarus out of 10 (0 vote)
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What is MacBook Pro (Early 2006) Modified EFI ROM?

This update will allow your Mac to gain a prototype boot loader that was used on 2005 prototype EFI Macs. I found this boot menu left in the original iMac4,1 firmware and successfully ported it to the first generation MacBook Pro. 

Use a USB device formatted as either HFS+ or FAT32, and copy the contents of the attached zip file to the root of your USB drive. The updating process will be done using an EFI shell on the USB + a tool called SPIUtil (EFIUpdaterApp without the safeguards). 

To initiate this update, make sure your Mac is set to EFI Update Mode by holding down the power button until the LED rapidly blinks and you hear a 3-second long tone.

After that, when you boot into the EFI shell, type the following command:

Spiutil -s MBP11_0044_MODDED.rom

Do not unplug or power off your device in order to avoid a hard bricked Mac once the update process has begun. The device should restart automatically once flashing is complete. 

Please note:
Your serial number will be wiped from your Mac after this update. It is strongly recommended that you back up your firmware prior to updating.
Your Mac's FireWire GUIDs will also be wiped, but that's not exactly a problem, FireWire will still work regardless of having FireWire GUIDs or not.

In order to activate the boot menu, boot into the EFI Shell from this USB using the boot picker, then type exit. That will automatically take you to the boot menu where you can go from there :)

- Abraxas


Download MacBook Pro (Early 2006) Modified EFI ROM for Mac

(1.49 MiB / 1.57 MB)
/ Zipped
53 / 2021-08-24 / a7147c8dfcf8c651d56ad7cb9304b47bf9ab61b2 / /


Architecture


Intel x86-64



Compatibility notes

Do not attempt to flash this EFI firmware on any other device besides the MacBookPro1,1, otherwise it will result in a hard bricked device.





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