| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a peripheral device for performing updating firmware when a main power supply of the peripheral device is in an off state, a power saving state, or the like where the device is surely not used. <P>SOLUTION: Even when the power supply of the peripheral device is in an off state, firmware can be updated by supplying power from a power supply means different from the power supply of the device, to minimum function blocks for running a firmware update program. In addition, the firmware is automatically updated when firm exists and it is newer than the existing firm by periodically referring to a specific address in a storage device belonging to an information processor in the above state. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
