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Lenovo ThinkPad P50S 15202-3 BIOS (2 MB)

BIOS 15202-3 Added: Nov 6, 2021 ZIP · 7.7 MB

File details

TypeBIOS
BrandLenovo
ModelThinkPad P50S
Board number15202-3
Board maker (ODM)Wistron
DeviceLaptop
FormatZIP
Size7.7 MB
BIOS chip size2 MB
AddedNovember 6, 2021
Updated
Original file nameLENOVO THINKPAD P50S LSZ-2 MB 15202-3 448.06D04.0031 .zip

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

BIOS dump for the Lenovo ThinkPad P50S laptop, board number 15202-3 from Wistron, supplied for a 2 MB flash chip. The archive is a ZIP of about 7.7 MB, and the original file name carries the BIOS build string 448.06D04.0031. Technicians use a 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 on your motherboard match before flashing, and back up the original chip contents first.

For board 15202-3 the catalog also has 2 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 P50S 15202-3. 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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