Raw BIN firmware for a Dell machine on Quanta board DAD13CMBAG0, revision G, zipped at 3.62 MB; the name points to an XPS 13 class Quanta board. The RG suffix is not explained in the name. A .bin dump like this is written byte-for-byte onto the SPI BIOS chip with a hardware programmer. Before flashing, compare the board number and revision on the PCB, keep a backup of the original contents, and make sure the image length equals the chip capacity so it fits correctly.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →