Second copy, marked (1), of the HP 15 X12a archive, with the same 335 KB size as the first. It most likely duplicates the same BIOS image or document for this platform. No board revision or firmware version is stated, so confirm compatibility with the motherboard marking before use. When flashing firmware to the SPI chip, read and save the original dump first and check that the chip capacity matches the file 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 @hrtechno. 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.
7-ZipWinRARThe Unarchiver (macOS)