Samsung NP270E5E notebook BIOS firmware in a 2.83 MB RAR archive. The name gives only the model, with no board number, revision or firmware version, so identify the motherboard by the marking printed on the PCB before use. Dumps like this are typically written to the SPI BIOS chip with a programmer when the laptop powers on with a black screen or fails after a bad update. Read and keep the original chip contents first, and check that the image length matches the flash capacity.
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 →