Looking for clean EMC 2361(820-3435) EFI dump

Need to reprogram a 820-3435(EMC 2631) board with a new efi. Does anyone have a clean dump?

Edit: Realized i posted this in the wrong area, feel free to move.

820-3435 is a macbook air, core i5 4th gen 2014 model

well i learned how to put a clean ME region on the bios. So here is a link to a bios with a clean ME region ready to install on any bios chip for a 820-3435 logic board.

www.filedropper.com/8203435

Just flash it on any bios chip of any 820-3435 logic board. it will handshake with the PCH upon first boot and set the ME region. Allowing this to be installed on any logic board.

www.win-raid.com/t596f39-Intel-Management-Engine-Drivers-Firmware-amp-System-Tools.html

Go here find the management region that matches your processor in section B1. Then copy and paste into your original efi/.bin. Simple and easy just make sure you are copying over into the same place. Ive been doing a search for the word "krid" then a couple lines above it is where the management region starts.


The Pizza Guy

I can make a more detailed write up later tonight but im sure you'll be able to figure it out. But with this clean ME region now when the mac boots the first time with new me region the cpu/pch does its first time "handshake" with the bios and makes them pair. So essentially you can now take that same model bios and put it on any macbook of the same model


The Pizza Guy

So here, i work on repairing dead and water damaged macbook logic boards for a living. Typically ill get a water damaged macbook that ends up corrupting the bios. When this happens the macbook will usually turn on and even chime but will sit at a black screen. So in order to fix this ill pull the bios from another logic board of the same model, change the serial number, upload the clean me region and it will fix it. I learned this from your tutorial btw i have very little experience in this. But typically if you just copy the efi and put it to a new one it wont work because the ME region sets up a "handshake" with the cpu. (Another way apple likes to make sure their boards arent being fixed by third parties) so after learning all this stuff from your tutorial i was able to find that link that had clean me region which allows taking a efi file from a different board cleaning the me and serial number and putting it on a new board. Yeah if you give me a blog access ill write up a quick tutorial on how to get this done. So i dont this its really cross architecture because you still have to pull the bios from the same model board then clean the me region and change serial for the new one.


The Pizza Guy