My new Dell Inspiron 700m has a 7-pin female S-Video connector... my old laptop had a 4-pin, so that's what type my s-video->RCA cable is. Since the extra three pins are for ground and a composite ...

It appears that's just got +5V and +12V, if the wiring colors are yellow and red for those two wires.. The rest appear to be ground.. You could adapt a regular molex to that quite easily.. Just cut ...