If you have the one fan working, test it on each fan plug on your motherboard to make sure each one works. If each slot powers that fan then put it back where it belonged and plug the other fans into the other open plugs on the mobo.
Looking at your mobo on newegg, if that's the matching one, you have all sorts of fan connectors on that mobo. I can see 6, based on the pic, one at the bottom, 2 on the upper right side, and three on the top right.
i unpluggewd the molex/sli one..instead used the cha_fan plugs on the mobo..plugged 2 fans in, they worked, but there is 2 fans left and 2 cha_fans on the mobo but only one will take 3 pins (cha_fan 1 is a 4 pinner)