Asus K42JP firmware package tagged AS301, pointing to BIOS release 301, compressed as a 1.02 MB ZIP. Check the archive contents first, as a vendor capsule may need trimming or converting before direct programming. These images serve to recover laptops left unbootable by a bad flash, or to load firmware onto a new SPI chip. Match the motherboard with the K42JP model, read and store the original flash, and verify the written data against the source file before putting the machine back together.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →