Compact BIOS archive titled PHN_10303, 515 KB in RAR format. The name carries only a code, with no clear motherboard model, revision or chipset, so the target board must be confirmed before use. Inspect the image contents for vendor strings or a model identifier. When reflashing a desktop SPI chip with an external programmer, always save the existing contents first and verify that the dump size equals the flash chip capacity, otherwise the write will fail or brick the board.
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 →