Patent ID: 7166934

Claim:
A computer system comprising: a wiring board having a first DC power supply and a first voltage adjust circuit connected to an output of the first DC power supply, and a second DC power supply and a second voltage adjust circuit connected to an output of the second DC power supply; and a device package mounted on the wiring board, the device package including a first component that receives power from an output of the first voltage adjust circuit and a second component that receives power from an output of the second voltage adjust circuit, the device package further including a first voltage control circuit having an output that is connected to a control input of the first voltage adjust circuit and a second voltage control circuit having an output that is connected to a control input of the second voltage adjust circuit. wherein a voltage level of the output of the first voltage adjust circuit is adjusted based on the output of the first voltage control circuit, and wherein a voltage level of the output of the second voltage adjust circuit is adjusted based on the output of the second voltage control circuit.