Archive for board LF15M with the Wistron-style number 13308-1 and the part code 448.00Z04.0011, in ZIP form at about 22 MB. Wistron typically labels its boards with a five-digit project number and a 448 or 48 part code, but the name does not state the laptop brand or exact contents. The package may hold schematic, boardview or firmware files used to trace circuits and find components. Inspect the contents and compare the numbers on the PCB before relying on any of it.
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 @azvoltagemap. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.