Zip archive of about 3.52 MB containing BIOS firmware for the HP ProBook 4540s, Rocky platform, Intel version, motherboard 11243. This ProBook generation was built by Wistron, whose numbering this board follows. A repair technician would extract the image and program it onto the SPI flash to revive a board with corrupted firmware. Before writing, compare the board marking, save the original dump, and check that the file size matches the chip, otherwise the programmer will refuse or the board may not start.
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 →