On a Dell Latitude cpi r lap top, what is the function oif the jumnper labeled JB00 found underneath the key board close to the 24co2 chip? It has 5 volts on it and is connected to either the 1 or 8 pin and connects alos via a cap to the adjacent pin either 2 or 7pin,,,?? I am wonder if this is a possible reset jumper to disable the password for the chip?