BIOS package for the Samsung NP550P5C laptop on the MCLAREN platform, board revision 1.2, stored as a 3.23 MB RAR archive. Samsung uses code names like this for its motherboard designs, and the name and revision are printed on the PCB, so check that they match. The dump is meant to be written to the SPI flash with a hardware programmer when a board will not post or has corrupted firmware. Back up the original chip contents first and make sure the image size matches the chip 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 @afsbiosfree. 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 →