alright... i have altec Lansing VS3151 6 channel speakers, and i cant figure out how to connect them to the back of my PC. from the speakers, there are 3 connectors, a black, an orange, and a green. on my motherboard(which has 8-channel sound but I set it to 6), there are a row of(pink, green, blue) and a row with(grey, black, orange). i cannot seem to figure out how to connect them so that each speaker is working dependantly. can anyone shed some light on this situation?