Lenovo ThinkPad L470D NM-B021 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad L470D |
| Board number | NM-B021 |
| Board maker (ODM) | Compal |
| Revision | 2.0 |
| Device | Laptop |
| Format | RAR |
| Size | 11 MB |
| Marks | unlocked |
| Added | January 2, 2022 |
| Updated | |
| Original file name | THINKPAD_L470D_L470_NM_B021_VER2_0_2017_06_02_UNLOCKED_PATCHED.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 ThinkPad L470D laptop, board number NM-B021, revision 2.0, from Compal. The file is marked unlocked and is supplied as a RAR archive of about 10.6 MB. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Confirm that the board number and revision match your motherboard before flashing, and back up the original chip contents first.
The catalog also lists 1 schematic, 1 boardview file, and 6 BIOS dumps for board NM-B021.
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 L470D 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.