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Lenovo G40-70 ACLU2 NM-A271 BIOS

BIOS NM-A271 Added: Feb 28, 2023 RAR · 5.6 MB

File details

TypeBIOS
BrandLenovo
ModelG40-70
Board numberNM-A271
PlatformACLU2
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size5.6 MB
Markstested by uploader, includes EC firmware
AddedFebruary 28, 2023
Updated
Original file nameLENOVO_G40_70_ACLU1_ACLU2_NM_A271_REV_1_0_2013_12_05_WORKING_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

From the original post:
LENOVO G40-70 ACLU1 ACLU2 NM-A271 REV 1.0 2013-12-05 WORKING BIOS &KBEC 100%

BIOS dump for the Lenovo G40-70 laptop, board NM-A271 revision 1.0, Compal-built on the ACLU2 platform. The uploader marks it as tested and says it includes EC/KBC firmware. 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 match your machine, and back up the original chip contents so you can recover if something goes wrong.

For board NM-A271 the catalog also has 4 schematics and 17 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 G40-70 ACLU2 NM-A271. 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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