BIOS firmware for the Atermiter X99-Turbo desktop motherboard, version 1.21 according to the name, in a 7.42 MB RAR. These boards are used with Xeon processors on the X99 platform. The image can be written to the SPI chip with a programmer when a failed update leaves the board dead. Read and keep the original chip contents first, verify the board model printed on the PCB, and confirm that the image matches the flash chip 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 →