Yes, in most cases .ROM and .BIN are interchangeable. The flashing tool only cares about the binary data, not the extension.
Two motherboards may have the exact same model number printed on the PCB (e.g., "H61M-VS4"), but if they have different board revisions (Rev 1.0 vs Rev 2.0), the BIOS files are rarely interchangeable. Flashing a Rev 1.0 BIOS onto a Rev 2.0 board can cause irreversible power delivery misconfigurations. all motherboard bios bin file download
– Some manufacturers release region-specific BIOS versions (e.g., for Japanese or Chinese power regulations). Yes, in most cases