Date   : Tue, 12 Feb 1991 02:08:21 GMT
From   : mentor.cc.purdue.edu!gauss.math.purdue.edu!wilker@purdue.edu (Clarence Wilkerson)
Subject: 3.5inch HD disk formats: Why not 11*1024

The Heath H89 CP/M 2.203 BIOS supported a 5 x 1024 format
which was quite a bit faster than the 18 x 256 format.
Of course, it used an extra 1k or so to buffer the data
in the bios.