Intel Management Engine firmware with version 15.0.23.1706, the tokens COR, LP, B, PRD and EXTR suggesting a Consumer, low-power, B-stepping production image that was extracted, archived as a 5.69 MB RAR. ME 15 corresponds to Intel 11th-generation mobile platforms. Technicians use such files with Intel FIT or similar tools to rebuild a corrupted ME region inside a BIOS dump. Only combine it with a BIOS from a matching platform, and keep a backup of the original flash before writing.
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 @laptexlaptopbios. 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 →