Skip to content

Acer 4820 DA0ZQ1MB8F0 BIOS (REV F)

BIOS DA0ZQ1MB8F0 Added: May 4, 2022 RAR · 1.7 MB

File details

TypeBIOS
BrandAcer
Model4820
Board numberDA0ZQ1MB8F0
Board maker (ODM)Quanta
RevisionF
DeviceLaptop
FormatRAR
Size1.7 MB
AddedMay 4, 2022
Updated
Original file nameBIOS Acer 4820 ZQ1B_DA0ZQ1MB8F0 rev.f_HM55_UMA_SB.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

BIOS dump for the Acer 4820 laptop, board number DA0ZQ1MB8F0, revision F, built by Quanta. The original file name, BIOS Acer 4820 ZQ1B_DA0ZQ1MB8F0 rev.f_HM55_UMA_SB.rar, shows the ZQ1B designation and HM55 UMA SB notes. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision match your machine, and read and save the original chip contents as a backup.

For board DA0ZQ1MB8F0 the catalog also has 1 schematic and 3 BIOS dumps.

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 →

Browse more

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 4820 DA0ZQ1MB8F0. 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.

Report a dead link or request removal