IMageDisk Analyzer 1.18 / Mar 12 2012 IMD 1.18: 24/07/2020 18:27:53 P180(X) Format #8 3.5" HDDD Quellen mit c't HDC aus P181x Required cylinders: 77 Required heads : 2 Data rate : 500kbps Est. maximum track: 9040 bytes Possible drives/options to write P180H301.IMD : 3.5" HD 80-track NOTE: *1 *2 Double-step: OFF 5.25" HD 80-track NOTE: *1 Double-step: OFF 8" 77-track Double-step: OFF *1 77 track image likely from 8" drive. *2 Should fit on 360rpm drive, 300rpm drive will leave long end gap.