Second copy of the Quanta NE7 revision 3A schematic dated 22 March 2010, a 1.34 MB PDF matching the size of the original file. The name includes the unexplained token Sec and gives no brand or chipset details. Repair technicians use these drawings to check power sequencing, find the controllers for each rail, read pinouts of the BIOS flash and connectors and isolate shorted parts. Any PDF viewer opens it. Verify the NE7 code and revision 3A printed on the PCB before taking component values from this document.
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 @abgm_manutencao_esquemas. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.