BIOS firmware for the Lenovo ThinkPad 13 Gen 2, types 20J1 and 20J2, on the Quanta board DA0PS9MB8E0 revision E, packed in a 5.14 MB RAR. Quanta uses the DA, project code, MB numbering seen here, with PS9 as the project. The dump is meant for writing to the SPI flash with an external programmer to recover a board that will not start. Always read and keep the original chip first, as it holds machine-specific data, and verify the image matches the flash size.
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 →