Desktop BIOS archive for the IB250MH board, 5.56 MB in RAR format, with a note that the ME region was tested and works. IB250MH looks like a board model on the Intel B250 chipset, but the name does not state the maker. The ME region is the Intel Management Engine firmware stored in the SPI flash, and a corrupted one can cause slow boots or fan and power problems. Back up the existing chip before writing, and check that the image size matches the flash capacity, since a mismatched image will not fit.
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 @biosarchive. 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 →