ZIP archive of 3.23 MB for the ASUS X451MA, with no further details in the name about revision or contents.

Archive for the ASUS X451MA motherboard, revision 2.1, stored as a 104 KB ZIP. Its contents are not stated, but the small size suggests a boardview file.

ZIP archive for the ASUS X451MA laptop; the name does not say what is inside, and the 3.2 MB size could correspond to a schematic, boardview or firmware set.