Online HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens
Common Floppy Disk Formats
Supporting ┌─────Sectors────┐ Entries
Disk DOS per per per per per Total
Type Vers Sides Trks TRK FAT DIR Cluster DIR Sectors
─────────────────────────────────────────────────────────────
5¼ 160k (1.0) 1 (40) 8 1 4 1 64 320
5¼ 320k (1.1) 2 (40) 8 1 7 2 112 640
5¼ 180k (2.0) 1 (40) 9 2 4 1 64 360
5¼ 360k (2.0) 2 (40) 9 2 7 2 112 720
5¼ 1.2M (3.0) 2 (80) 15 7 14 1 224 2400
3½ 720k (3.2) 2 (80) 9 3 7 2 112 1440
3½ 1.44M (3.3) 2 (80) 18 9 14 1 224 2880
[helppc.bosbyte.nl] floppy formats