ok what cable has this end to plug into a graphics card
and has this end to plug into my power supply?

and has this end to plug into my power supply?

I see you have cables plugged into here, in the red square I drew, where did you plug those into? I don't think I am misunderstanding you.
*EDIT* Did you plug 4 of those 6 pin to molex into into these slots? Maybe your just missing the cables then, bought it used?
http://sadpanda.us/images/1460500-OFHHWNO.jpg
thanks i didnt know that. i asked the peole that made the power supply for a set of cables and am waiting on a response. sorry if im not getting anywhere i dont know much about this stuffYou can plug 6 pin cable into the 8 port and it should work just fine.