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Lenovo Yoga 14SIHU HS450 NM-D231 BIOS

BIOS NM-D231 Added: May 7, 2024 RAR · 14 MB

File details

TypeBIOS
BrandLenovo
ModelYoga 14SIHU
Board numberNM-D231
PlatformHS450
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size14 MB
AddedMay 7, 2024
Updated
Original file nameLENOVO_YOGA_14SIHU_2021_HS450_NM_D231_REV_1_0_i5_113300H_N18S_G5.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 YOGA 14SIHU 2021 HS450 NM-D231 REV 1.0 i5-113300H N18S-G5-B-KA-A1 WORKED BIOS 100%

BIOS dump for the Lenovo Yoga 14SIHU laptop, Compal board NM-D231, platform HS450, PCB revision 1.0, supplied as a RAR archive of about 14 MB. The file name also lists a 2021 release and an i5-113300H label, which come from the original post title and should be checked against your own machine. A BIOS dump like this is used to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update.

For board NM-D231 the catalog also has 1 schematic, 1 boardview file, and 3 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 Yoga 14SIHU HS450 NM-D231. 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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