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Lenovo ThinkPad L390 18724-1M BIOS (16 MB / 2 MB / 1 MB)

BIOS 18724-1M Added: Dec 24, 2022 RAR · 8.3 MB

File details

TypeBIOS
BrandLenovo
ModelThinkPad L390
Board number18724-1M
Board maker (ODM)Wistron
DeviceLaptop
FormatRAR
Size8.3 MB
BIOS chip size16 MB / 2 MB / 1 MB
Markstested by uploader
AddedDecember 24, 2022
Updated
Original file nameLENOVO_THINKPAD_L390_LKL_2_MB_18724_1M_i5_8265U_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 THINKPAD L390 LKL-2 MB 18724-1M i5-8265U 16MB WORKING BIOS 100%

BIOS dump for the Lenovo ThinkPad L390 laptop, board number 18724-1M from Wistron, supplied in RAR format at about 8.3 MB. The uploader marks it as tested, and the file covers 16 MB, 2 MB and 1 MB flash chip sizes. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after corruption or a failed update. Confirm that the board number and revision match your board before flashing, and save the original chip contents first so you can recover if something goes wrong.

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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