Tested working BIOS for a Lenovo ThinkPad 14-IML, built on Quanta board DA0LVAMB8E0, revision E, delivered as a 9.39 MB RAR archive. The DA0 prefix with MB in the code is Quanta's motherboard numbering, so the ODM is Quanta rather than Lenovo itself. This dump is meant for writing to the SPI flash with an external programmer when the laptop is dead, loops on startup or fails after an update. Back up the existing chip first, confirm the board revision is E and check the image size against the chip.
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 @biosarchive. Enginerys does not host this file.
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 →