Lenovo U400 LU470 11228-2 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | U400 |
| Board number | 11228-2 |
| Platform | LU470 |
| Board maker (ODM) | Wistron |
| Device | Laptop |
| Format | RAR |
| Size | 2.3 MB |
| BIOS chip size | 4 MB |
| Added | May 5, 2022 |
| Updated | |
| Original file name | LENOVO_U400_LU470 _ 11228-2_ 4MB 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.
Description
BIOS dump for the Lenovo U400 laptop, board number 11228-2, platform LU470, Wistron ODM, supplied for a 4 MB flash chip. The archive is a RAR file of about 2.3 MB, saved under the original name LENOVO_U400_LU470 _ 11228-2_ 4MB BIOS.rar. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision match your machine, and read and back up the original chip contents first.
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 U400 LU470 11228-2. 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.