Excel spreadsheet whose Russian name translates to CPU measurements, about 63.5 KB in size. The name does not say which processors, sockets or boards it covers, so open it to see its scope. A table like this usually collects reference readings such as resistance to ground or voltages on CPU socket pins or power rails, which are used to compare a faulty board against known-good values when hunting shorts. It opens in Microsoft Excel or LibreOffice Calc, and the readings should be checked against the meter mode used.
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 @videocard_notebook_resistance. Enginerys does not host this file.