Gigabyte Z370P D3 BIOS file for board revision 1.0, archived as a 17.7 MB RAR. The Z370 chipset places this on the Intel desktop platform for 8th and 9th generation Core processors. Technicians use such an image to reprogram the SPI flash externally when the board fails to post after a bad update. Check that the PCB revision silkscreen reads 1.0, read and save the original chip first, and confirm the file size matches the flash before writing it with a programmer."}
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 →