Skip to content

Lenovo IdeaPad 300 BMWQ2 NM-A481 BIOS (REV 1.0)

BIOS NM-A481 Added: Mar 28, 2023 RAR · 4.4 MB

File details

TypeBIOS
BrandLenovo
ModelIdeaPad 300
Board numberNM-A481
PlatformBMWQ2
Board maker (ODM)Compal
Revision1.0
DeviceLaptop
FormatRAR
Size4.4 MB
Markstested by uploader
AddedMarch 28, 2023
Updated
Original file nameLENOVO_IDEAPAD_300_15ISK_BMWQ1_BMWQ2_NM_A481_REV_1_0_2015_07_22.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 IDEAPAD 300-15ISK BMWQ1 BMWQ2 NM-A481 REV 1.0 2015-07-22 i7-6500u UC3 SSD PROBLEM FIXED WORKING BIOS 100%

BIOS dump for the Lenovo IdeaPad 300 laptop, board number NM-A481, revision 1.0, platform BMWQ2, with Compal listed as the ODM. The uploader marks it as tested, but that is their own note and has not been independently confirmed. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or failed update. Check that the board number and revision on your board match before flashing, and back up the original chip contents first.

The catalog also lists 2 schematics and 17 BIOS dumps for board NM-A481.

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 →

Browse more

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 300 BMWQ2 NM-A481. 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.

Report a dead link or request removal