BIOS backup for the Wistron board 19861-1 at 16 MB, with the capacity written in the name. Wistron typically identifies its boards with a five digit project number and a revision suffix, and these boards are commonly found in Dell and other laptops. An 8 MB file also exists for the same board, suggesting the design uses two flash chips or varies between versions, so identify which chip you are programming. Match the chip capacity, back up the current contents and verify after writing with your programmer.
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 →