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LA-B091P BIOS

BIOS LA-B091P Added: Mar 10, 2021 ZIP · 3.4 MB

File details

TypeBIOS
Board numberLA-B091P
Board maker (ODM)Compal
DeviceLaptop
FormatZIP
Size3.4 MB
AddedMarch 10, 2021
Updated
Original file nameB40-70 LA-B091P.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 a laptop built on the Compal LA-B091P board, supplied as a ZIP archive of about 3.4 MB under the original file name "B40-70 LA-B091P.zip". Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. The facts do not list the brand, model revision or chip size, so confirm that the board number and revision printed on your motherboard match before flashing. Back up the original chip contents first so you can recover if the write goes wrong.

The catalog also lists 4 schematics, 2 boardview files, and 20 BIOS dumps for board LA-B091P.

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: LA-B091P. 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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