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Acer Aspire ES1 311 14221-1M BIOS

BIOS 14221-1M Added: Sep 8, 2020 7Z · 2.7 MB

File details

TypeBIOS
BrandAcer
ModelAspire ES1 311
Board number14221-1M
Board maker (ODM)Wistron
DeviceLaptop
Format7Z
Size2.7 MB
BIOS chip size1 MB
AddedSeptember 8, 2020
Updated
Original file nameAcer_Aspire_ES1_311_EA30_BM_MB_14221_1M_448_03405_001M_BiosV1_12.7z

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 Acer Aspire ES1 311 laptop, board number 14221-1M from Wistron, supplied for a 1 MB flash chip in a 7Z archive of about 2.7 MB. The original file name, Acer_Aspire_ES1_311_EA30_BM_MB_14221_1M_448_03405_001M_BiosV1_12.7z, shows the board and BIOS version in its name. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision on your motherboard match before flashing, and back up the original chip contents first.

The catalog also lists 1 schematic, 2 boardview files, and 1 BIOS dump for board 14221-1M.

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: Acer Aspire ES1 311 14221-1M. 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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