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Lenovo G50-70 ACLU2 NM-A271 BIOS (REV 1.0, 8 MB)

BIOS NM-A271 Added: Aug 26, 2020 RAR · 3.2 MB

File details

TypeBIOS
BrandLenovo
ModelG50-70
Board numberNM-A271
PlatformACLU2
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size3.2 MB
BIOS chip size8 MB
AddedAugust 26, 2020
Updated
Original file nameLenovo_G50_70_ACLU1_ACLU2_NM_A271_Rev_1_0_Bios_Ver_32_it8586e_8mb&128kb.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:
tesetd ok

BIOS dump for the Lenovo G50-70 laptop, board NM-A271 (platform ACLU2, Compal ODM), revision 1.0, supplied for an 8 MB flash chip. The archive is a RAR file of about 3.2 MB. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision match your board, and save a backup of the original chip contents first.

The catalog also lists 4 schematics and 17 BIOS dumps for board NM-A271.

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 G50-70 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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