BIOS for the Dell Latitude 3310 on Wistron motherboard 19717-1, with 8th in the name pointing to the 8th generation Intel version of the model. The 9.13 MB RAR should contain the flash image for the SPI chip. Technicians write it with a programmer when the laptop does not power on properly or shows no display due to corrupted firmware. Dell images carry service tag data, so read and keep the original chip before writing, and confirm the board number and CPU generation match your unit.
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 @schematiclaptopramkushwaha. 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 →