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Apple IMAC 2015 i5 a1418 EMC 2833-820-00431a 100% BIOS

BIOS Added: Dec 18, 2023 RAR · 4.3 MB

File details

TypeBIOS
BrandApple
DeviceDesktop motherboard
FormatRAR
Size4.3 MB
Markstested by uploader
AddedDecember 18, 2023
Updated
Original file nameIMAC 2015 i5 a1418 EMC 2833-820-00431a WORKING BIOS 100%.rar

Where to get the file

Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.

Alternative links

No other copies are known yet.

AwesomeHeader does not store this file. It was published in a public Telegram channel; the links above lead to the original post and its copies.

Description

From the original post:
IMAC 2015 i5 a1418 EMC 2833-820-00431a WORKING BIOS 100%

BIOS dump for an Apple iMac 2015 i5 desktop motherboard, listed under model A1418 and EMC 2833-820-00431a, shared as a 4.3 MB RAR archive. The uploader marked it as tested, though the catalog has not verified that claim. A BIOS dump is used to reprogram the SPI flash chip with a programmer after corruption or a failed update. Before flashing, confirm that the model and EMC number on your board match the file, and back up the original chip contents so you can restore them if needed.

Description generated from the catalog data. ·

How to open it

A BIOS dump is written to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and save the original chip contents twice before writing.

Guide: Flash a Laptop BIOS with a CH341A Programmer →

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Questions about this file

How do I flash this BIOS dump?

Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.

Will this BIOS work on my board?

Only if the board number and revision match: Apple IMAC 2015 i5 a1418 EMC 2833-820-00431a 100%. Dumps from a different board or revision can leave the board dead.

What does “clean ME” mean?

The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.

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