I installed the same Nemesis2.3-dm500hd-e2-OE(1.6)-SVN(095r6).nfi in both DM500HD and DM500HDv2 and it works well in both.

Version 2 is supposed to accept only OE2.0 images (not OE1.6). Nemesis never made OE2.0 immages, they stopped at OE1.6.