The Wimboot of a Gena I made on 5-1-2015 seems to be more universal.
ref : http://theoven.org/index.php?topic=1817.0
I post a reply here,
5-1-2015 have no big difference on WimBoot
You boot Gena_WIM.iso via grub4dos, which is a special way,
you need to mount Gena_WIM.iso after boot,
same Adjustment also made for SE