Dump of the BIOS chip from a Biostar P31-A7 motherboard, in a 419 KB RAR archive. Being described as a dump, it is most likely a direct read of a working chip rather than a vendor update file. Such images are used to repair boards with corrupted firmware by writing the BIOS chip with a hardware programmer. Make sure the board model and revision match, save the original chip contents before erasing, and check that the image size equals the flash capacity.
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 →