BIOS archive for a board with the PANING BSW project name and Wistron-style number 15288-1, packed in a 4.06 MB ZIP. The TOP448.08D01.0011 part also appears in the name, and BSW may refer to Intel Braswell but the name does not confirm it. Wistron uses five-digit numbers with a dash suffix on its mainboards, often for brands other than its own. Flash the image to the SPI chip with a programmer only after backing up the original. Check that the board number matches.
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 @biosarchive. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →