Information processing apparatus, power control method and recording medium to control a plurality of driving units according to the type of data to be processed

[0042]FIG. 1 is a block diagram of a first embodiment of the present invention. An information processing apparatus 100 of this embodiment is mainly made up of a CPU 101, a memory 102, a ROM 103, a hard disc drive 104, a hard disc drive controller 105, a floppy disc drive 106, a floppy disc drive controller 107, a CD-ROM drive 108, a sound board 109, a speaker 110, a sound board controller 111, a graphics board 112, a display device 113, a graphics board controller 114 and a bus 115.

[0043]The CPU 101 processes data by desired programs. The memory 102 stores the program and the data. The ROM 103 stores an OS to boot up the information processing apparatus 100.

[0044]The hard disc drive 104 mainly include a main body of the hard disc drive 116 and a hard disc drive control board 117. The main body of the hard disc drive 116 has hard discs 118 in it and magnetically stores and retrieves the data on the hard discs. The hard disc drive control board 117 controls the main body of the hard dis