hi guys,i hav pentium4 DellGx620 and i wanna conect a 3d card on it which requires a 6pinned powersupply cable,in my cpu there is a poer supply cable having a jack of 6 cables but 1 is empty and total cables going inside the jack are 5..Can i run 3d card using this cable..?.........If any body can help me i ll be grate ful to him.thanks