hi i just bought a ps2 off ebay and recieved it this morning. now it might not have been the cleverest thing to do!! i need some help! its got something missing in the back, a hole which looks like something has been removed??? the gaps got two holes on the side as though something should be screwed in. any ideas what that is or what it means? alsp the power cable is missing so i dont know is it works. help help help!!!!