Archive for the N4030 board in its UMA variant, meaning graphics are integrated in the chipset or CPU and no discrete GPU is fitted. The name gives no brand, ODM board number or revision. At 737 KB it probably contains a schematic set used to trace power rails, follow the standby and main power sequence and locate test points. Before relying on it, read the board number and revision on the PCB, since UMA and discrete versions differ in layout and population. Open it with WinRAR or 7-Zip.
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 @IT_SERVICE_WORLD. 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.