well after i installed my modchip i got from jandaman, (i did everything connect the red wire to the 5 volts, linking a-b together (not soldered, just taped a wire to connect to b dot) it could run everything i throw at it with no problems.. but when i played radiant silver gun, theres a problem with the sound.. i could hear the sound effects and music playing but there are no voice =/ now when i didnt have modchip, i could hear all three =/ now i couldnt .. whats the problem? should i solder a-b together instead of being held by just a piece of electrical tape?