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Chrome book S340-14 Touch Board BM5899 V1.2 16MB BIOS

BIOS Added: Sep 28, 2022 ZIP · 4.9 MB

File details

TypeBIOS
FormatZIP
Size4.9 MB
BIOS chip size16 MB
AddedSeptember 28, 2022
Updated
Original file nameChrome book S340-14 Touch Board BM5899_V1.2 16MB.BIN.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

From the original post:
Chrome book S340-14 Touch Board BM5899_V1.2 16MB.BIN

BIOS dump for a Chromebook S340-14 Touch, board BM5899 revision V1.2, supplied as a 16 MB image in a ZIP archive of about 4.9 MB. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before flashing, confirm that the board number and revision printed on your board match BM5899 V1.2, and read and save the original contents of your chip as a backup. The file name indicates a 16 MB chip size, so check your flash chip's capacity against it.

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 →

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: Chrome book S340-14 Touch Board BM5899 V1.2 16MB. 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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