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Apple A1502 BIOS

BIOS Added: Mar 14, 2021 RAR · 3.9 MB

File details

TypeBIOS
BrandApple
ModelA1502
DeviceLaptop
FormatRAR
Size3.9 MB
AddedMarch 14, 2021
Updated
Original file nameA1502 emc 2835C17Q82QWFVH3 LOCKED 021320_Cleared.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 A1502 laptop, delivered as a RAR archive of about 3.9 MB under the original file name "A1502 emc 2835C17Q82QWFVH3 LOCKED 021320_Cleared.rar". The file name marks it as locked and cleared, but the facts do not state the chip size, board number or revision, so confirm those against your own board before doing anything else. A BIOS dump like this is used with a programmer to reprogram the SPI flash after corruption or a failed update.

The catalog also lists 3 schematics, 4 boardview files, and 11 BIOS dumps for the Apple A1502.

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 A1502. 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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