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Apple A1278 820-2565 BIOS

BIOS 820-2565 Added: Sep 26, 2021 ZIP · 2.7 MB

File details

TypeBIOS
BrandApple
ModelA1278
Board number820-2565
Board maker (ODM)Apple
DeviceLaptop
FormatZIP
Size2.7 MB
AddedSeptember 26, 2021
Updated
Original file nameBIOS A1278_820-2565-A.BIN.zip

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 A1278 laptop, board number 820-2565, delivered as a ZIP archive of about 2.7 MB under the original file name BIOS A1278_820-2565-A.BIN.zip. A dump like this is used with an external programmer to rewrite the SPI flash chip after BIOS corruption or a failed update. Before flashing, confirm that the board number 820-2565 and its revision match your logic board, and read and save the original chip contents as a backup. The facts do not list a chip size or other flags, so check those against your own hardware.

The catalog also lists 4 schematics and 1 BIOS dump for board 820-2565.

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 A1278 820-2565. 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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