BIOS dump for Quanta board DA0ZRCMB6C0, revision C, read from a Winbond W25Q32BVSIG flash chip, which holds 32 Mbit and matches the 4 MB file size. The laptop brand is not stated. Quanta boards carry this DA-prefixed number on the PCB. Check the code and revision before writing, use a programmer with a compatible clip or socket for the chip, and back up the existing contents so the original can be restored if needed.
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 @bios_laptop. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →