Lenovo ThinkPad L470 DL470 NM-B021 BIOS (REV 2.0)
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad L470 |
| Board number | NM-B021 |
| Platform | DL470 |
| Board maker (ODM) | Compal |
| Revision | 2.0 |
| Device | Laptop |
| Format | ZIP |
| Size | 5.4 MB |
| Marks | includes EC firmware |
| Added | November 13, 2021 |
| Updated | |
| Original file name | THINKPAD_L470_DL470_NM_B021_Rev_2_0_2017_06_02_BIOS_&_IO_KBC_.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.
Description
BIOS dump for the Lenovo ThinkPad L470 laptop, board number NM-B021 (platform DL470, Compal design), revision 2.0. The package includes EC/KBC firmware alongside the BIOS image and comes as a ZIP of about 5.4 MB. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before writing anything, confirm that the board number and revision printed on your motherboard match, and back up the original chip contents first.
For board NM-B021 the catalog also has 1 schematic, 1 boardview file, and 6 BIOS dumps.
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 ThinkPad L470 DL470 NM-B021. 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.