A BIOS / firmware dump for HP hardware (board DA0OP8MB6D1). Shared as “AFS Compaq CQ61-420ER - DA0OP8MB6D1.rar” — a .rar file, 1.78 MB.
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 @afsbiosfree. 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.
7-ZipWinRARThe Unarchiver (macOS)
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →