Patent ID: 7945796

Claim:
An information processing apparatus, comprising: an information processing apparatus main body receiving a supply of power from power supplies disposed at outside or inside; one or a plurality of connection connector(s) constituted to be able to attach/detach an external apparatus, and including at least one signal terminal transmitting/receiving signals between said information processing apparatus main body and the external apparatus and at least one power terminal supplying power from the power supplies to the external apparatus; a power supply state changing portion including a switch provided between the power supply and the power terminal, and capable of changing the switch to either one of a connection state or a non-connection state; and a power supply state control portion having user setting information set by a user concerning a control method of said power supply state changing portion, and performing a control to change the switch to either one of the connection state or the non-connection state in accordance with the user setting information at the non-operation time of said information processing apparatus main body.