gateway motherboards PLZZZ help :(?

So I have a Gateway LX-6200 S/N PTG060X001845099E52703 and I just bought a new PSU, GTX 470 GPU, and a new case and I cant even use it because I cant get the front panel connectors PLEASE PLEASE PLEASE someone help me find what type of mother board im using so I can find a diagram or manual of it the gateway site isnt working for me on my phone and I just want to use my system so bad
Thank you in advance!!!!