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Apple A1347 820-2993 BIOS

BIOS 820-2993 Added: Dec 5, 2023 RAR · 3.6 MB

File details

TypeBIOS
BrandApple
ModelA1347
Board number820-2993
Board maker (ODM)Apple
DeviceLaptop
FormatRAR
Size3.6 MB
AddedDecember 5, 2023
Updated
Original file nameAPPLE MINI A1347 820-2993-A BIOS .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:
APPLE MINI A1347 820-2993-A BIOS

BIOS dump for the Apple A1347 laptop, board number 820-2993, supplied as a RAR archive of about 3.6 MB under the original file name APPLE MINI A1347 820-2993-A BIOS. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted firmware image 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 recover if the flash does not behave as expected.

The catalog also lists 1 schematic and 1 BIOS dump for board 820-2993.

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 A1347 820-2993. 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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