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Apple A1398 820-3787 BIOS

BIOS 820-3787 Added: Jun 20, 2020 RAR · 4.5 MB

File details

TypeBIOS
BrandApple
ModelA1398
Board number820-3787
Board maker (ODM)Apple
DeviceLaptop
FormatRAR
Size4.5 MB
AddedJune 20, 2020
Updated
Original file nameApple_MacBook_Pro_Retina_15'_A1398_2013_J45G_DVT_KEPLER_820_3787.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 A1398 laptop, board number 820-3787, supplied as a 4.5 MB RAR archive. The original file name refers to a MacBook Pro Retina 15-inch A1398 board, so the board number is the key identifier to match against your own hardware. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted firmware image or a failed update.

For board 820-3787 the catalog also has 1 schematic, 1 boardview file, and 5 BIOS dumps.

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 A1398 820-3787. 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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