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Dell Latitude 5420 GDF40 LA-K491P BIOS (REV 2.0)

BIOS LA-K491P Added: Jun 28, 2026 RAR · 14 MB

File details

TypeBIOS
BrandDell
ModelLatitude 5420
Board numberLA-K491P
PlatformGDF40
Board maker (ODM)Compal
Revision2.0
DeviceLaptop
FormatRAR
Size14 MB
AddedJune 28, 2026
Updated
Original file nameDELL_latitude_5420_GDF40_LA_K491P_REV2_0A01_2021_04_28_OKOK.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

From the original post:
DELL_latitude_5420_GDF40_LA_K491P_REV2_0(A01) 2021_04_28_OKOK

BIOS dump for the Dell Latitude 5420 laptop, Compal board LA-K491P revision 2.0, platform GDF40. The archive is a RAR of about 13.6 MB. 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 and revision printed on your motherboard match LA-K491P and 2.0, and back up the original chip contents so you can restore them if needed.

For board LA-K491P the catalog also has 1 schematic, 1 boardview file, and 8 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 Latitude 5420 GDF40 LA-K491P. 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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