BIOS image for the ASUS GA503R on Quanta board DANJPMB2AA0 revision A, intended for a 32 MB flash chip and marked as working, packed in a 6.31 MB RAR. The DA...MB... numbering is Quanta, the ODM behind this board. Write it to the SPI chip with a programmer such as RT809H or CH341A when the stock firmware is corrupted. Read and save the original chip before erasing, and check the extracted file is exactly 32 MB, since an image of the wrong size will not fit the chip.
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 @pkbiosbdv. 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 →