Modified 16 MB firmware image for the ASRock B250 Pro4 motherboard, labelled for Xeon E3 v5 processor support. The word lool in the name carries no clear technical meaning. B250 is a Kaby Lake chipset, and modded images like this are used to run Skylake Xeons on consumer boards. Flash it externally to the SPI chip with a programmer and verify the write. Read and archive the original BIOS beforehand, because a modified image can leave the board unable to post if it does not suit your hardware.
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 →