BIOS dump archive labelled pig41r mb with a PM suffix, a compact 651 KB RAR. The name gives a board or project code but no brand, model or revision, so identification must rely on matching markings on the actual motherboard. Once extracted, the image can be written to the SPI or firmware flash with a hardware programmer to recover a board that fails to POST. Back up the original chip contents first and verify that the file size corresponds to the flash chip capacity before programming.
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 →