BIOS firmware for a board labelled G31T-M, revision 1.0, compressed in a small 446 KB RAR. No brand is stated in the name. G31 refers to Intel's G31 chipset for LGA775 desktop boards, which normally used small SPI or FWH flash chips. A dump like this is used to recover a board after a failed update by writing the chip with a programmer. Check the board model and revision on the PCB, save the original contents first, and confirm the image size matches the chip.
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 →