Archive named EC, 8.63 MB, with no device, brand or board number given. The name hints at embedded controller firmware, which manages power-on, charging, keyboard and fans, but the size suggests it may also contain BIOS images or several dumps. Identify the contents before writing anything. Match the EC or flash chip on the board, save the original chip contents with a programmer, and check that the image size suits the target 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 @LCS_Biossolutions. 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 →