From means and the aforementioned user terminal where conservative center, the conservative

摘要

PROBLEM TO BE SOLVED: To solve the problem that the reliability of data is deteriorated since data amounts are increased when the whole BIOS is transmitted through a network.;SOLUTION: When the update information of a control part whose update is necessary is transmitted from a maintenance center server 30, a device 10 being the target of maintenance which executes an updating work stores it in each control part update information storing part in a BIOS update file primary storage area 150, and at the time of starting the device the next time, confirms the update information in a BIOS storage area 160, and execute the update of the control part whose update is necessary, and transmits the information of the end of update to the maintenance server 30. The maintenance center 30 updates BIOS version control information in a user control database 40 according to the received update end information. A maintenance company requests settlement for remote maintenance costs in a lump when contract is made on yearly base, and requests the settlement each time the updating work is executed when contract is made individually for each work.;COPYRIGHT: (C)2002,JPO