Abstract: According to one embodiment, an communication apparatus includes a processor and a controller. The processor receives a communication signal from the communication ports or the communication network, and executes communication processing based on a first program corresponding to a communication protocol of a communication port being connected. The controller switches from the first program set in the processor to a second program corresponding to a communication protocol different from that of the first program, based on a predetermined condition.

Abstract: According to one embodiment, an electronic apparatus includes a power supply unit, a current value calculator, and an input power value calculator. The current value calculator is configured to calculate a current value on a power supply cable led out from the power supply unit based on a voltage between two ends of the power supply cable and a resistance value of the power supply cable. The input power value calculator is configured to calculate an input power value of the power supply unit based on the current value on the power supply cable calculated by the current value calculator and an input/output characteristic (efficiency) of the power supply unit.

Abstract: According to one embodiment, an electronic apparatus includes a power supply unit, a current value calculator, and an input power value calculator. The current value calculator is configured to calculate a current value on a power supply cable led out from the power supply unit based on a voltage between two ends of the power supply cable and a resistance value of the power supply cable. The input power value calculator is configured to calculate an input power value of the power supply unit based on the current value on the power supply cable calculated by the current value calculator and an input/output characteristic (efficiency) of the power supply unit.

Abstract: According to one embodiment, an electronic device includes a main memory, a main controller which controls the main memory, a system BIOS which stores default access parameter data of the main memory, a substrates including a memory device installing region in which the main memory and a memory device storing other access parameter data of the main memory are to be installed, and a setting section which sets, when a memory device is installed in the memory device installing region, access parameter data read out from the memory device to the memory controller, and sets, when a memory device is not installed in the memory element region, access parameter data read out from the system BIOS to the memory controller.

Abstract: An information processing apparatus capable of mounting a plurality of processors, includes a power supply device including a plurality of power supply units and configured to output power to drive the plurality of processors as loads using the power supply units. The information processing apparatus further includes a control unit which varies a total number of power supply units to be operated in the power supply units in accordance with an amount of load to be driven by the power supply device.

Abstract: An information processing apparatus capable of mounting a plurality of processors, includes a power supply device including a plurality of power supply units and configured to output power to drive the plurality of processors as loads using the power supply units. The information processing apparatus further includes a control unit which varies a total number of power supply units to be operated in the power supply units in accordance with an amount of load to be driven by the power supply device.