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Dell 3421 12204-1 BIOS

BIOS 12204-1 Added: Nov 25, 2021 RAR · 3.7 MB

File details

TypeBIOS
BrandDell
Model3421
Board number12204-1
Board maker (ODM)Wistron
DeviceLaptop
FormatRAR
Size3.7 MB
AddedNovember 25, 2021
Updated
Original file nameDell 3421 12204-1 DNE40-CR REV A00 BIOS .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 Dell 3421 laptop, board number 12204-1, with Wistron listed as the ODM. The archive is a RAR file of about 3.7 MB, and its original name, Dell 3421 12204-1 DNE40-CR REV A00 BIOS, carries the board and revision details. A dump like this is used 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 motherboard, and back up the original chip contents so you can recover if the write goes wrong.

For board 12204-1 the catalog also has 2 schematics 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 →

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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: Dell 3421 12204-1. 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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