BIOS collection for the ASUS PRIME Z490-A desktop motherboard, containing versions for both 8 MB and 16 MB flash chips, all described as working. Offering two sizes matters because some boards are fitted with different chip capacities, and an image that does not match the chip will not fit. Read the part number on the SPI chip to pick the correct file. Use a hardware programmer for recovery and keep a backup of the original contents before writing 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 →