BIOS firmware archive for the ASUS GL503G gaming laptop, board DABKLBMB8C0 revision C, with a 2018-08 date in the name. The DA...MB pattern is Quanta numbering, so Quanta is the ODM behind this ASUS board. The 5.94 MB RAR should contain a flash image for writing to the SPI chip with a programmer such as a CH341A when the machine fails to post. Confirm the revision silkscreen matches C, read and save the original chip contents first, and check that the image size equals the chip capacity before writing.
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 →