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Acer Aspire 3820 09921-3 BIOS

BIOS 09921-3 Added: Aug 15, 2021 ZIP · 1.8 MB

File details

TypeBIOS
BrandAcer
ModelAspire 3820
Board number09921-3
Board maker (ODM)Wistron
DeviceLaptop
FormatZIP
Size1.8 MB
AddedAugust 15, 2021
Updated
Original file nameAspire 3820 acer 3820tg 09921-3 48.4HL01.031 .zip

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 3820 laptop, board number 09921-3, produced by Wistron. The archive is a ZIP of about 1.8 MB, and its original file name, Aspire 3820 acer 3820tg 09921-3 48.4HL01.031 .zip, points to BIOS version 48.4HL01.031. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number on your PCB matches 09921-3 and back up the original chip contents so you can restore them if needed.

The catalog also lists 1 schematic and 3 BIOS dumps for board 09921-3.

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 3820 09921-3. 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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