Generic-named 16 MB BIOS binary, linked through its index data to Wistron board 19861-1, though the file name itself carries no model or version details. Wistron uses the 19861-x numbering for some Dell notebook boards. A raw image of this size suits a 128 Mbit SPI flash and is written with a hardware programmer such as a CH341A. Since the name is uninformative, compare it with your own backup or open it in a hex or UEFI tool before flashing, and always save the original chip first.
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 .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 →