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Lenovo B50-80 LA-B091P BIOS (REV 2.0)

BIOS LA-B091P Added: Feb 20, 2017 7Z · 3.2 MB

File details

TypeBIOS
BrandLenovo
ModelB50-80
Board numberLA-B091P
Board maker (ODM)Compal
Revision2.0
DeviceLaptop
Format7Z
Size3.2 MB
AddedFebruary 20, 2017
Updated
Original file namelenovo_b50_80_la_b091p_rev_2_0_E1ZIWB2302.7z

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 Lenovo B50-80 laptop, board LA-B091P from Compal, revision 2.0, supplied as a 7Z archive of about 3.2 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 on your motherboard match the file, and back up the original chip contents so you can restore them if needed.

For board LA-B091P the catalog also has 4 schematics, 2 boardview files, and 20 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: Lenovo B50-80 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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