ASRock H110M-HDV BIOS dump for board revision 1.02, supplied as RAR at about 6.8 MB. Separate images exist for other revisions of this model, so use the one whose revision matches the marking on your board. Technicians flash it directly to the SPI chip with an external programmer when a firmware fault leaves the board dead or rebooting. Make a backup of the original chip, which can contain board-specific data, and confirm the file 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 →