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Apple iMac A1312 BIOS

BIOS Added: May 29, 2023 RAR · 6.7 MB

File details

TypeBIOS
BrandApple
ModeliMac A1312
DeviceDesktop motherboard
FormatRAR
Size6.7 MB
Markstested by uploader
AddedMay 29, 2023
Updated
Original file nameIMac A1312 WORKING BIOS 100%.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:
IMac A1312 WORKING BIOS 100%

BIOS dump for the Apple iMac A1312 desktop motherboard, supplied as a RAR archive of about 6.7 MB under the original name "IMac A1312 WORKING BIOS 100%.rar". The uploader marks it as tested, but the catalog has not verified that claim. A dump like this is used to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update.

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 iMac A1312. 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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