BIOS firmware package for an HP 14 laptop using board 6050A2977701, the MB-A03 suffix indicating the mainboard at revision A03. The 6050Axxxxxxx pattern belongs to Inventec, which builds many HP notebooks. The RAR is about 5.3 MB and should contain an SPI dump for reprogramming the BIOS chip with a programmer such as a CH341A or RT809. Match the full board number and revision on the PCB, read and save the original chip contents, and confirm the dump size equals the chip capacity before writing.
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 →