Consumer Intel ME firmware from the CSME 16.1 line, version 16.1.25.1900, for H-series PCH with the X stepping code. Marked PRD for production signing and EXTR, meaning extracted from an existing SPI image; 3.00 MB in size. A region like this helps repair boards whose ME is corrupted or mismatched after a BIOS flash. Use the Intel FIT release matching CSME 16.1 to integrate it, confirm the consumer SKU and region size match, and keep a verified backup of the original flash 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 @sm_intel_repository. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →