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Lenovo IdeaPad 3 15IML05 GS752 NM-C781 BIOS

BIOS NM-C781 Added: Jul 15, 2021 ZIP · 6.5 MB

File details

TypeBIOS
BrandLenovo
ModelIdeaPad 3 15IML05
Board numberNM-C781
PlatformGS752
Board maker (ODM)Compal
DeviceLaptop
FormatZIP
Size6.5 MB
AddedJuly 15, 2021
Updated
Original file nameLenovo_IdeaPad_3_15IML05_81WB00RMRA_GS452_GS552_GS752_NM_C781_Rev.zip

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 IdeaPad 3 15IML05 laptop, board number NM-C781 (platform GS752, built by Compal), delivered as a ZIP archive of about 6.5 MB. The original file name also lists the GS452 and GS552 platforms, which may help you confirm which family the dump belongs to. A BIOS dump like this is used with an SPI programmer to reflash the flash chip after a corrupted BIOS or a failed update.

The catalog also lists 1 schematic, 2 boardview files, and 11 BIOS dumps for board NM-C781.

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 IdeaPad 3 15IML05 GS752 NM-C781. 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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