Dayan Khan belongs to the downdtream of F8465,in fact all the F8465 samples in yfull belong to subclade F10378,so the TMRCA OF f8465 in YFULL is actually the TMRCA OF F10378
All the F8465XF10378 samples are Han Chinese,the TMRCA of F8465 is 2500 YBP
Some F10378 samples are Han,some are Mongols,the Han samples Hebei,Tianjin,Beijing,JIangsu etc
All the F8536 samples are the Mongols,the TMRCA of F8536 is 600 YBP,and it's believed Dayan Khan belong to this branch(indeed,many people belong to this branch claim to be the descendants of Dayan,and many of them with the surname Bao aka borjigin)