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The information stated in section 9-2, on page 2 of the following document may answer your question:
The cited device is a lead-free device (RoHS compliant) as you may confirm on the following websites:
Thank You @CarlosAM_INTEL.
Is it possible for you to tell me if this solder paste type below fits requirement for soldering the E3845 Atom processor?
"KOKI no-clean LEAD-FREE solder paste, model S3X58-M406-3"