BIOS SYSTEM AND PAC WITH THE SAME BIOS SYSTEM

摘要

PROBLEM TO BE SOLVED: To suppress manufacturing costs, and to improve a processing speed in a BIOS system and a PAC equipped with this BIOS system.;SOLUTION: A PAC is provided with a BIOS system configured of a CPU, BIOS data storage memory and a memory access control circuit part or the like. This memory has a first storage area and a second storage area for storing BIOS data. Each storage area is configured to store a completion flag for determining whether or not the BIOS data have been normally written. The memory access control circuit part is configured to, when receiving the reading request of the BIOS data from the CPU (S31: YES), read each completion flag (S32), and to, when the completion flag of the first storage area is "0"(S33: YES), read the BIOS data from the first storage area, and to transfer it (S34), and to, when the completion flag of the second storage area is "0"(S35: YES), read the BIOS data from the second storage area, and to transfer it (S36).;COPYRIGHT: (C)2012,JPO&INPIT