An archive of repair files for Dell hardware (board 10097-1). Shared as “DELL (MIH61R MB 10097-1) 48.3EQ01.011 (1)(2).rar” — a .rar file, 2.35 MB.
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 @biosschematics. 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)