Lenovo A475 NM-B351 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | A475 |
| Board number | NM-B351 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 4.9 MB |
| Marks | includes EC firmware |
| Added | June 27, 2020 |
| Updated | |
| Original file name | Lenovo_A475_Type_20KL,_20KM_Laptop_ThinkPad_NM_B351_Bios_+_EC.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
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools Posted: 6/27/20 ● live
Description
BIOS dump for the Lenovo A475 laptop, Compal board NM-B351, bundled with the EC/KBC firmware in the same archive. The original file name refers to ThinkPad Type 20KL and 20KM, and the RAR package is about 4.9 MB. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision match your own board before flashing, 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 A475 NM-B351. 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.