Some vendors (Supermicro, ASRock Rack) provide raw .bin files on their FTP servers. For consumer boards, less likely, but you can ask support.
: Specialized HP BIOS Extractors can handle encrypted files and identify the correct binary size for different motherboard IDs. Bios Exe To Bin File Converter
| Error | Likely Cause | Solution | |-------|--------------|----------| | UEFITool cannot open extracted file | File is compressed or encrypted | Use 7-Zip or InnoExtract on the EXE again; try PhoenixTool | | Converted BIN size is 3 MB for a 16 MB chip | You extracted a single module, not the full BIOS | Look for a file named “full” or “complete” or merge modules | | CH341A writes but board still dead | Wrong region or missing descriptor | Use ifdtool to dump regions separately | | Flashrom says “Image size does not match flash chip” | File size mismatch | Pad with zeros ( dd if=/dev/zero bs=1 count=... >> file.bin ) or truncate | Some vendors (Supermicro, ASRock Rack) provide raw