BIOS firmware archive named PHN15008, 527 KB in RAR format. The name gives no model or board number; the PHN prefix may relate to Phitronics desktop boards, but that is not confirmed by the file name. Before use, open the archive and identify the board from any included notes or strings inside the image. As with any dump, back up the original SPI chip with a programmer, check that the image size matches the flash capacity, and only write it to a board whose model is confirmed.
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 →