Lenovo B5400 DA0BM5MB8D0 BIOS (REV D)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | B5400 |
| Board number | DA0BM5MB8D0 |
| Board maker (ODM) | Quanta |
| Revision | D |
| Device | Laptop |
| Format | 7Z |
| Size | 7 MB |
| Marks | tested by uploader, includes EC firmware |
| Added | September 22, 2026 |
| Updated | |
| Original file name | Lenovo B5400 DA0BM5MB8D0 Rev D_J7ET63WW_2.08_EC+BIOS.7z |
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.
Description
Lenovo B5400 DA0BM5MB8D0 Rev D J7ET63WW_2.08 EC + BIOS BIOS dump for the Lenovo B5400 laptop, board number DA0BM5MB8D0, revision D, with ODM Quanta listed. The archive includes both the BIOS and EC/KBC firmware and is marked as tested by the uploader. 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 match your board before flashing, and back up the original chip contents first. The file is 7Z and about 7 MB.
The catalog also lists 4 BIOS dumps for board DA0BM5MB8D0.
Description generated from the catalog data. ·
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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 B5400 DA0BM5MB8D0. 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.