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Lenovo Y520 DY512 NM-B191 BIOS (REV 1.0)

BIOS NM-B191 Added: May 9, 2022 RAR · 5.1 MB

File details

TypeBIOS
BrandLenovo
ModelY520
Board numberNM-B191
PlatformDY512
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size5.1 MB
Markstested by uploader
AddedMay 9, 2022
Updated
Original file nameLENOVO_Y520_15IKBN_DY512_NM_B191_REV_1_0_2016_11_25_VGA_GTX_1050.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 Y520 -15IKBN DY512 NM-B191 REV 1.0 2016-11-25 VGA GTX 1050 CPU I5-7300HQ WORKING BIOS 100%

BIOS dump for the Lenovo Y520 laptop, Compal board NM-B191 revision 1.0 (platform DY512), supplied as a 5.1 MB RAR archive and marked as tested by the uploader. The original file name points to the Y520-15IKBN variant with a GTX 1050 GPU, but the GPU and CPU details come from the caption and are not checked here. A BIOS dump is used to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update.

The catalog also lists 3 schematics, 4 boardview files, and 9 BIOS dumps for board NM-B191.

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 Y520 DY512 NM-B191. 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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