Raw 4.00 MB BIOS image named for the 2530P model designation, with no brand, board number, revision or version in the name. Files of this sort are written directly to the SPI flash memory on the motherboard with an external programmer to recover from a failed update or corrupted firmware. Before writing, read the original chip, store that backup safely since it holds unit-specific data, and verify that the chip on your board is 4 MB and the model matches.
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 →