Intel Management Engine firmware image, version 15.0.45.2411, in a 5.95 MB RAR. The name tokens indicate the Consumer (COR) edition for an LP platform, B stepping, production build (PRD), and EXTR, which commonly marks an image extracted for use with Intel Flash Image Tool. No device or brand is named. Technicians use such files to rebuild a corrupted ME region in a BIOS dump; the version family must suit the board's chipset, and the original flash should always be backed up before rebuilding or reflashing.
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 →