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Apple MacBook A1534 820-00045 BIOS

BIOS 820-00045 Added: Jul 30, 2019 RAR · 3.9 MB

File details

TypeBIOS
BrandApple
ModelMacBook A1534
Board number820-00045
Board maker (ODM)Apple
DeviceLaptop
FormatRAR
Size3.9 MB
AddedJuly 30, 2019
Updated
Original file nameMacbook A1534 2015 820-00045-A.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

BIOS dump for the Apple MacBook A1534 laptop, board number 820-00045, supplied as a RAR archive of about 3.9 MB under the original file name Macbook A1534 2015 820-00045-A.rar. A technician would use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before writing anything, confirm that the board number and revision on your logic board match the file, and save a full backup of the original chip contents so you can restore it if needed.

The catalog also lists 2 schematics, 2 boardview files, and 1 BIOS dump for board 820-00045.

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 MacBook A1534 820-00045. 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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