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Apple A1465 820-3227 BIOS

BIOS 820-3227 Added: Jun 2, 2024 RAR · 4.1 MB

File details

TypeBIOS
BrandApple
ModelA1465
Board number820-3227
Board maker (ODM)Apple
DeviceLaptop
FormatRAR
Size4.1 MB
BIOS chip size8 MB
AddedJune 2, 2024
Updated
Original file nameMac mini 2012 820-3227 A1465 EMC 2558 8MB .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:
Mac mini 2012 820-3227 A1465 EMC 2558 8MB

BIOS dump for the Apple A1465 laptop, board number 820-3227, supplied for an 8 MB SPI flash chip. The original file name also lists Mac mini 2012 and EMC 2558, and the archive is a RAR of about 4.1 MB. Technicians use a BIOS dump like this to reprogram the flash chip with a programmer after corruption or a failed update. Confirm that the board number and revision match your board before writing anything, and back up the original chip contents first.

The catalog also lists 1 schematic and 1 BIOS dump for board 820-3227.

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 A1465 820-3227. 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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