Physical Composition
| Size | Density | Tracks | TPI | BPI | Coercivity | Unformatted capacity per side |
|---|---|---|---|---|---|---|
| 3½ in | single | 40 | 67.5 | 600 Oe | 250 KB | |
| double | 80 | 135 | 8.717 | 600 Oe (300 Oe) | 500 KB | |
| high | 80 | 135 | 17.434 | 750 Oe (600 Oe) | 1000 KB | |
| extended | 80 | 135 | 900 Oe | 2000 KB | ||
| 5¼ in | single/double | 40 | 48 | 5.876 | 300 Oe | 250 KB |
| quad | 80 | 96 | 5.876 | 300 Oe | 500 KB | |
| high | 80 | 96 | 8.646 | 600 Oe | 750 KB | |
| 8 in | single/double | 77 | 48 | 300 Oe | 1000 KB |
Read more about this topic: List Of Floppy Disk Formats
Famous quotes containing the words physical and/or composition:
“It seems to be a law of nature that no man, unless he has some obvious physical deformity, ever is loth to sit for his portrait.”
—Max Beerbohm (1872–1956)
“At painful times, when composition is impossible and reading is not enough, grammars and dictionaries are excellent for distraction.”
—Elizabeth Barrett Browning (1806–1861)