Patent ID: 8289002

Claim:
A mother board adapted to rapidly charge a handheld multimedia device, comprising: a controller, configured to output or receive a data signal; a rapid charging initiation unit, providing a first voltage and a second voltage, wherein the first voltage ranges from 3.2 Volts (V) to 1.1 V, the second voltage ranges from 2.7 V to 0.6 V, and a voltage difference between the first voltage and the second voltage ranges from 0.5 V to 0.8 V; a connection port, coupled to the handheld multimedia device; and a switching unit, coupled to the controller, the rapid charging initiation unit, and the connection port so as to determine whether the connection port is coupled to the controller or the rapid charging initiation unit according to a switching signal, wherein when the connection port is coupled to the rapid charging initiation unit, the first voltage and the second voltage are sent to the handheld multimedia device through the connection port to activate a rapid charging function of the handheld multimedia device.