3.6 [BE636] (Some Disc / 320 x 75 Drum only) / Aug 1997 - Apr 1999
4.8 [BE644,64D,654,66D] (Disc / 320 x 75 Drum only) / Aug 1997 - NOW
5.2 [BE632] (Some Disc / 320 x 75 Drum only) / Aug 1997 - Apr 1999
5.2 [BE642, BG642] (Disc / 320 x 75 Drum only) / Aug 1997 - Apr 1999
4.2 [BE63C] (Some Disc / 320 x 75 Drum only) / Apr 1999 - NOW
5.2 [BE63E] (Some Disc / 320 x 75 Drum only) / Apr 1999 - NOW
5.2 [BE64E] (Some Disc / 320 x 75 Drum only) / Apr 1999 - NOW