Patent ID: 6920573

Claim:
An energy-conserving motherboard having multiple operating functions, comprising: (a) first power-distributing circuitry actuatable for providing a first operating function, wherein said first power-distributing circuitry is arranged for establishing power connection with main microprocessor circuitry; (b) second power-distributing circuitry actuatable for providing a second operating function that is not required to activate said main microprocessor circuitry; (c) third power-distributing circuitry actuatable for providing a standby function that is not required to actuate said first nor said second power-distributing circuitry, wherein said third power-distributing circuitry is arranged for establishing power connection with keep-alive memory circuitry for storing information needed for resuming said first operating function or said second operating function; and (d) control means for selectively activating or deactivating said first power-distributing circuitry and said second power-distributing circuitry, so as to selectively provide said first operating function, said second operating function and said standby function, wherein said control means is arranged for having power connection with said third power-distributing circuitry.