Dell Vostro 3015 all-in-one documentation for the Wistron Viatoria AIO Intel board, number 13092-1, revision A01, in a 2.84 MB rar. Wistron is the ODM that designed this board for Dell, and the five-digit number follows its project numbering. Files of this size usually hold schematics used to trace power rails, standby circuits and signal paths on the main board. Check the 13092-1 number and A01 revision on the PCB before relying on part references.
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 @SCHEMATICWORLD. 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.
7-ZipWinRARThe Unarchiver (macOS)