BIOS binary for the Dell Latitude E6440, marked OK tested in the name, supplied as an 11.0 MB RAR. No board number or revision is given, so check the PCB marking before use. Business Latitudes of this generation often split firmware across more than one SPI chip, so look at the archive contents to see which image goes to which chip. Save the original chip contents with your programmer first, as they hold the service tag and system data, and make sure each image size matches its chip.
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 @hrtechno. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →