IMageDisk Analyzer 1.18 / Mar 12 2012
IMD 1.17: 16/01/2010 20:55:50

820-ii util 1988

Required cylinders: 40
Required heads    : 2
Data rate         : 250kbps
Est. maximum track: 5882 bytes

Possible drives/options to write UTIL.IMD :

 5.25" DD 40-track
   Double-step: OFF

 5.25" QD 80-track
   Double-step: ON

 5.25" HD 80-track
   Double-step: ON
   250 kbps -> 300 kbps

 3.5" DD 80-track   NOTE: *1
   Double-step: OFF

 3.5" HD 80-track   NOTE: *1
   Double-step: OFF

*1 40 track image will use only first 1/2 of 80-track drive.