were do the power l.e.d, power s.w, ans the h.d.d.l.e.d plug go

I recentley switched cases on my tower and dont seem to remember where the Power L.E.D, the Power S.W., and the H.D.D.L.E.D plugs are supposed to be plugged in on the e-machine motherboard. Can someone please help. E-mail me at number_1_momie@yahoo.com