HP BIOS dump for the Wistron board 17887-1, a 16 MB raw binary labelled as working; the laptop model is not stated. Wistron uses this five-digit-dash-digit board numbering, normally printed on the PCB. The file is meant to be written to a 16 MB SPI flash chip with an external programmer such as a CH341A when the board will not POST or the firmware is corrupt. Read the existing chip first and keep that backup before you write and verify this image.
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 →