Hello my friends, im here to save your neck as this forum saved mine many times.
Here i bring a working bios dump for a A1312 (EMC 2374) 2009 2.66 GHz Core i5 (I5-750).
Background: After a repair of the GPU, I was in the middle of a upgrade of macos of an imac and in the middle of the firmware upgrade de computer died. Power but no image. I searched on the internet and didnt found anything, so i was prepared to loose a lot of money. I was lucky as hell to have another imac on the shop of the same model and EMC so ive made a dump, change the serial number by hand, flashed on the dead logic board and voila! It came to life!
Instructions: This dump is tested as working on a i5 cpu, on i7 cpu i dont know if it will work or not.
You have to edit the dump with a hex editor and search for ascii "YOURSERIALX" and change with the serial on the chassis.
Good luck!
Here i bring a working bios dump for a A1312 (EMC 2374) 2009 2.66 GHz Core i5 (I5-750).
Background: After a repair of the GPU, I was in the middle of a upgrade of macos of an imac and in the middle of the firmware upgrade de computer died. Power but no image. I searched on the internet and didnt found anything, so i was prepared to loose a lot of money. I was lucky as hell to have another imac on the shop of the same model and EMC so ive made a dump, change the serial number by hand, flashed on the dead logic board and voila! It came to life!
Instructions: This dump is tested as working on a i5 cpu, on i7 cpu i dont know if it will work or not.
You have to edit the dump with a hex editor and search for ascii "YOURSERIALX" and change with the serial on the chassis.
Good luck!
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