BIOS firmware tied to the Wistron Turis AMD platform, board 16808-1, with 395RH in the name, packed as a 2.82 MB RAR. The laptop brand and model are not stated, so identify the machine by the board number printed on the PCB, which in Wistron style uses five digits and a revision suffix. Images like this restore a corrupted SPI flash using an external programmer. Save the existing chip contents before writing, and confirm the file size equals the chip capacity, otherwise it will not fit.
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 →