Working BIOS for a desktop board identified only by the Intel 845G chipset, Winbond W83627 Super I/O and revision B1; the brand and exact model are not stated. Older boards of this generation usually use small parallel or LPC flash chips, which fits the 279 KB archive size. Program it with a programmer that supports the chip type. Confirm the chipset, Super I/O and revision on the board, save the existing contents first, and check 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 →