you will need to check your motherboard manual or go to the website to look up the connections on the motherboard. i have the same case you do, there should be a bunch of wires from the firewire and USB header from the front.
find out where to connect each wire to the motherboard. if you hook it up wrong nothing will happen so don't be afraid of damaging the motherboard, but turn off your computer first and ground yourself. if your motherboard does not have firewire support you cannot use firewire unless you buy a firewire expansion card.