RAR archive holding a BIOS image for a Lenovo laptop built on board NM-D031, revision 1.0, which the name labels as working and fully tested. NM-series numbers follow the LCFC numbering used for Lenovo notebook boards. Such a dump is normally written to the SPI flash chip with an external programmer like a CH341A when the original firmware is corrupted. Read and save the existing chip contents first, check that the image size equals the chip capacity, and make sure your PCB really is NM-D031 rev 1.0.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @BiosSchematicWorld. Enginerys does not host this file.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @BiosSchematicWorld | 4 Jun 2024 | Open file on RM Schematics |
| @ComputerBIOSBinFile | 21 Sept 2025 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →