Copy-suffixed firmware image for the 2230CS model designation, 2.00 MB, paired with a file of the same base name. Compare the two with a checksum or hex diff, since the name does not say whether they differ. Board number and version are absent. Such raw dumps are programmed onto the motherboard SPI flash chip to repair corrupted BIOS. Always dump the existing chip first, keep that backup, and confirm a 2 MB flash chip is fitted before writing the image.
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 @biosfilebins. 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 →