By way of example only, the computer system of FIG. 5 may include a hard disk drive 524 that reads from or writes to non-removable, nonvolatile magnetic media, a magnetic disk drive 526 that reads from or writes to a removable, nonvolatile magnetic disk 528, and an optical disk drive 530 that reads from or writes to a removable, nonvolatile optical disk 532 such as a CD ROM or other optical media.