Intel Management Engine firmware package, version 15.0.23.1706, judging by the name pattern. The COR, LP, B and PRD tokens suggest a Corporate SKU for an LP chipset, stepping B, production build, and EXTR points to an extracted region. The name gives no laptop or board model. Such ME images are used to rebuild or replace a damaged ME region inside a full SPI dump, usually with Intel FIT or similar tools. Confirm that the ME major version and chipset family match the target platform before merging, or the system may fail to boot.
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 →