Compressed RAR archive of 818 KB holding a BIOS image for a board identified only as 4330; the name gives no brand, board number or revision, so the exact laptop must be confirmed independently. The model number hints at an Acer-style naming, but that is not stated. Before flashing, open the archive, check the binary size against the SPI chip marking, verify the motherboard code printed on the PCB, and keep a read of the original chip so the machine can be returned to its previous state if the image proves wrong.
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 →