Patent ID: 7203829

Claim:
An apparatus including a main device and an auxiliary device, comprising: the main device including: a main processor including a ROM (Read Only Memory) and a RAM (Random Access Memory), and controlling overall operations of the main device; a first flash memory for storing principal programs of the main device; a second flash memory for storing content data of the main device; a RAM provided as a work memory of the main device, and the auxiliary device including: a flash memory for storing principal programs and content data of the auxiliary device; an external RAM provided as a work memory of the auxiliary device; and a coprocessor including at least one of a ROM and a RAM which store at least one of a boot, loader, and tiny flash file system code file for booting the auxiliary device using a boot program stored in the internal ROM of the coprocessor when the coprocessor is initially powered on by the main processor, the coprocessor controlling a loader program stored in the internal ROM of the coprocessor to load principal programs stored in the flash memory of the auxiliary device by operating the tiny flash file system, and the coprocessor further controlling operations of the auxiliary device.