Master BIOS image for the HP Pavilion dm4-1033tx, named master presumably to mark it as the reference or main dump. It is a 4.00 MB raw binary suited to a 32 Mbit SPI flash chip, and no motherboard number or revision appears in the name. Technicians use it to rewrite a corrupted BIOS chip with a programmer when the laptop has power but no display or fails to boot. Match the motherboard number on the PCB to this model first and read out the original chip as a backup.
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 @bios_laptop. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →