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Dell Inspiron 3531 ZBW00 LA-B481P BIOS

BIOS LA-B481P Added: Dec 6, 2017 RAR · 2.7 MB

File details

TypeBIOS
BrandDell
ModelInspiron 3531
Board numberLA-B481P
PlatformZBW00
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size2.7 MB
AddedDecember 6, 2017
Updated
Original file nameDell inspiron 3531 ZBW00 LA-B481P rev 1.0-ok.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 Inspiron 3531 laptop, board LA-B481P revision 1.0 (platform ZBW00, built by Compal). The file is supplied as a RAR archive of about 2.7 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 flashing, confirm that the board number and revision printed on your motherboard match LA-B481P rev 1.0, and save a backup of the original chip contents so you can recover if something goes wrong.

For board LA-B481P the catalog also has 1 schematic, 1 boardview file, 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 Inspiron 3531 ZBW00 LA-B481P. 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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