Firmware for the Lenovo ThinkBook 15-IIL on Quanta board DALVACMB8D0, revision D, with BIOS version DJCN15WW given in the name. The IIL suffix marks an Intel Ice Lake platform, and DA...MB...0 is Quanta's motherboard numbering scheme. Use it to reprogram the SPI flash when the laptop will not power on or boot after a failed update. Match the board number and revision on the PCB, back up the current chip before writing, and confirm the image size fits the flash.
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 →