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Lenovo ThinkPad L390 18724-1M BIOS (32 MB / 2 MB / 1 MB)

BIOS 18724-1M Added: Jun 27, 2024 RAR · 10 MB

File details

TypeBIOS
BrandLenovo
ModelThinkPad L390
Board number18724-1M
Board maker (ODM)Wistron
DeviceLaptop
FormatRAR
Size10 MB
BIOS chip size32 MB / 2 MB / 1 MB
AddedJune 27, 2024
Updated
Original file nameLENOVO ThinkPad L390 LKL-2 MB 18724-1M 32MB & 1MB BIOS.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 ThinkPad L390 LKL-2 MB 18724-1M 32MB & 1MB BIOS

BIOS dump for the Lenovo ThinkPad L390 laptop, board number 18724-1M from Wistron, supplied for 32 MB and 1 MB flash chip sizes (the file name also lists 2 MB, which is worth confirming against your chip). Technicians use a BIOS dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before flashing, check that the board number and revision match your motherboard, and back up the original chip contents so you can restore them if needed.

For board 18724-1M the catalog also has 2 schematics and 6 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 ThinkPad L390 18724-1M. 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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