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Lenovo T440 12289-2 BIOS

BIOS 12289-2 Added: Jan 3, 2024 RAR · 11 MB

File details

TypeBIOS
BrandLenovo
ModelT440
Board number12289-2
Board maker (ODM)Wistron
DeviceLaptop
FormatRAR
Size11 MB
BIOS chip size1 MB
Marksunlocked, tested by uploader, fast boot
AddedJanuary 3, 2024
Updated
Original file nameLENOVO T440 LOS-1 MB 12289-2 48.4LG0H.021 WORKING BIOS 100%.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 T440 LOS-1 MB 12289-2 48.4LG0H.021 WORKING BIOS 100% UNLOCK BIOS FAST BOOT FAN SPEED OK WIFI DETECT OK

BIOS dump for the Lenovo T440 laptop, Wistron board 12289-2, supplied for a 1 MB flash chip and marked as unlocked, tested by the uploader and with fast boot enabled. The uploader's caption also lists fan speed and Wi-Fi detection as working. Technicians use a BIOS 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 match your board before flashing, and save the original chip contents first.

For board 12289-2 the catalog also has 4 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 T440 12289-2. 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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