| 摘要 |
When a power switch is pushed, a CPU starts a BIOS stored in a BIOS-ROM to initialize a system. In this initialization of the system, a system configuration determining portion acquires various device information, determines a system configuration, and judges the kind of an AC adapter by estimation. Further, an AC adapter setting portion updates a register of a PSC in order that a maximum rated current control corresponding to the AC adapter be performed. The PSC performs a maximum rated current control corresponding to the AC adapter and indicated by the value of the register. Then, when initialization of the system is ended, the CPU loads an OS stored in an HDD into a system memory, and starts the OS.
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