Firmware archive for an ASRock desktop motherboard based on the Intel Z97 chipset, with the name marked AVR_2, an unclear token that may point to a variant or file revision. The 5.38 MB RAR likely contains a BIOS image for the board SPI chip, used to recover a board that no longer posts after a bad flash. Confirm the exact ASRock model on the PCB first, since several Z97 boards exist, and back up the current chip contents before writing anything with a programmer.
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 →