Date   : Sun, 25 Nov 1990 16:22:06 GMT
From   : mentor.cc.purdue.edu!gauss.math.purdue.edu!wilker@purdue.edu (Clarence Wilkerson)
Subject: BigBoard II

I think the BBII supported DS DD 8" drives. So on
a IBM HD drive you could get about 1.2 megs depending on
your format. Zenith CP/M supported a 77 track x 2 sides x
9 sectors x 1024 byte format.