Firmware for a board identified as the 4515s with Inventec board number 6050A2252301, revision A03; 4515s matches the HP ProBook model name, although no brand is given. The rar archive is around 1.30 MB. Numbers starting with 6050A are used on Inventec-designed motherboards and appear on the PCB together with the revision suffix. Confirm both the number and the A03 revision before programming. Read and keep the original SPI contents, and check that the dump fits the flash chip exactly.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →