BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
A general architecture that implements various features of the invention will now be described with reference to the drawings. The drawings and their associated descriptions are provided to illustrate the embodiments of the invention and not to limit the scope of the invention.
FIG. 1 is a block diagram showing an exemplary system configuration of a battery-operated notebook personal computer according to an embodiment of the invention;
FIG. 2 is a block diagram showing an exemplary configuration of a CPU, a PCI device and a power supply circuit shown in FIG. 1 together with their peripheral circuit;
FIG. 3 is an exemplary waveform chart of a power supply voltage, illustrating a change in transfer speed made by the PCI device in the embodiment of the invention; and
FIG. 4 is an exemplary waveform chart of a power supply voltage, illustrating a change in transfer speed made by the PCI device in a modification to the embodiment of the invention.