Patent ID: 6275875
Filing Date: 2001-08-14
Classification: G06F

Abstract:
An apparatus having a plurality of microcomputers, and in which a load and a ROM for storing control information for controlling said load are provided for each of said microcomputers, wherein, in said apparatus, each said ROM is an electrically erasable and programmable ROM, and wherein said apparatus comprises:an input unit adapted to input version-up information, which includes rewrite information to be stored in said ROM and address information specifying an area to which the rewrite information is to be rewritten, for making the version-up of the control information;a judgment unit adapted to judge one of said plurality of the ROMs corresponding to the input version-up information when the version-up information is input by said input unit; anda rewrite unit adapted to rewrite the rewrite information of said input version-up information into the area, which is specified by said address information of said input version-up information, of said ROM judged by said judgment unit.