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Lenovo ThinkPad Edge E540 NM-A161 BIOS (REV 1.0, 8 MB / 4 MB)

BIOS NM-A161 Added: Apr 11, 2022 RAR · 4.9 MB

File details

TypeBIOS
BrandLenovo
ModelThinkPad Edge E540
Board numberNM-A161
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size4.9 MB
BIOS chip size8 MB / 4 MB
Marksincludes EC firmware
AddedApril 11, 2022
Updated
Original file nameThinkPad_Edge_E540_NM_A161_REV_1_0_BIOS_&_EC_8MB_&4MB_&1KB_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

BIOS dump for the Lenovo ThinkPad Edge E540 laptop, Compal board NM-A161, revision 1.0. The package covers both 8 MB and 4 MB flash chips and includes EC/KBC firmware. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision on your motherboard match before flashing, and back up the original chip contents first.

For board NM-A161 the catalog also has 2 schematics and 12 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 ThinkPad Edge E540 NM-A161. 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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