Archive of about 904 KB containing what the name suggests is video BIOS for an AMD Radeon RX 580, with no vendor, memory size or version stated. It may contain several variants, so inspect the contents. Graphics card firmware is written with amdvbflash or via an SPI programmer on the card flash chip when a card shows no output after a failed modification. Match the board partner, memory type and capacity, and save the original ROM before flashing anything.
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 →