BIOS firmware for the Dell OptiPlex 740 desktop, compressed in a small 450 KB RAR archive. The name gives no board revision, firmware version or chip details, so inspect the extracted image and compare its size with the flash chip on your board. Such dumps are used to recover a system board after a corrupted update or to replace a faulty SPI or LPC flash. Always read and store the original contents before writing, and verify the chip type, because older desktop boards may use a different flash package than current SPI parts.
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 @biosarchive. 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 →