BIOS firmware for the Foxconn A78AX desktop motherboard; the 3.0 in the name is most likely a version or revision number. The 525 KB RAR is small, which suggests a 512 KB flash image typical of older boards, but check its contents. Use it to restore corrupted firmware, either with the board's own flash utility or by writing the chip directly with a programmer. Match the board's revision, back up the existing chip and confirm its capacity before flashing.
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 →