BIOS for the ASUS Prime Z270-P motherboard, modified per the name to support Xeon E3 v5 processors, a 16 MB binary for a 128 Mbit SPI flash. Such mods let Skylake Xeon chips run on consumer Z270 boards, usually by patching microcode and CPU checks. Program it with an external SPI programmer, keeping a backup of the original chip, which holds board serial and MAC data. Make sure the chip capacity is 16 MB so the image fits completely.
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 @bios_xeon_e3v5. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →