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ASUS X421FAY BIOS

BIOS Added: Mar 19, 2022 RAR · 5.4 MB

File details

TypeBIOS
BrandASUS
ModelX421FAY
Revision2.0
DeviceLaptop
FormatRAR
Size5.4 MB
BIOS chip size16 MB
Markstested by uploader
AddedMarch 19, 2022
Updated
Original file nameASUS X421FAY REV 2.0 WORKING BIOS_GD25Q128_20211107_132427.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

ASUS X421FAY laptop BIOS dump, revision 2.0, for a 16 MB flash chip. The uploader marked it as tested. The archive is a RAR file of about 5.4 MB, original name ASUS X421FAY REV 2.0 WORKING BIOS_GD25Q128_20211107_132427.rar. A dump like this is used to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the model and revision match your board, and back up the original chip contents so you can restore them if needed.

For the ASUS X421FAY the catalog also has 1 boardview file.

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: ASUS X421FAY. 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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