>  The 360k drive has an asterisk on it, just like
 > >on the optional AT 360k drive.  Apparently the IBM convention for 5.25"
 > >drives was that if it was a full height floppy, drive then it was 360k,
 > >if it was a half height drive it was assumed to be 1.2M, unless it had
 > >an asterisk, then it was 360k. 
The 720K HH 5.25" drives in the IBM PC/JX (also available with 3.5")
also did not have an asterisk.