By way of example only, FIG. 2 illustrates a hard disk drive 30 that reads from or writes to non-removable, nonvolatile magnetic media, a magnetic disk drive 32 that reads from or writes to a removable, nonvolatile magnetic disk 34, and an optical disk drive 36 that reads from or writes to a removable, nonvolatile optical disk 38 such as a CD ROM or other optical media.