010 - Diskette Drive Type

        1111 xxxx  First Diskette Drive Type
        xxxx 1111  Second Diskette Drive Type

             0000  No drive presend
             0001  Double-sided diskette drive (48 tracks per inch, 360 Kb)
             0010  High-capacity diskette drive (720 Kb)
             0100  High-density diskette drive (1.44 Mb)

             Note: All combinations not shown are reserved.