BIOS image for a board named Iris BSW, Wistron motherboard 14279-1, with PWB number 896X3 revision A00, 8 MB in size. BSW likely refers to the Intel Braswell platform, though the name does not spell it out. Wistron marks its boards with a five-digit number and dash suffix, and Dell PWB numbers also appear on the PCB. Match both codes and revision before flashing, read the original chip with an SPI programmer and keep it, then write and verify this dump.
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 @biosfilebins. 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 →