Sound card problem

yar 1 of my friend purchased a Terratec DMX 6Fire sound card (Comparable with Audigy Platinum EX) but when i install that card in P4 based system (D865GBF mobo) it detects and install drivers succesfully but there is no sound (equalizer shows output level working) and drive came with it become hot. when I install it on newer Pentium Dual Core pc, the did't start (no power sign, cpu fan move a little and then stop and then no activity.????).anyone help me plz