Commodore 1581 3,5" Floppy Disk Drive
Photo 1: Jcassara86, CC BY-SA 4.0, via Wikimedia Commons (Commodore 1581 Disk Drive Front.jpg)
Floppy disk drive, 1987, Commodore. The 1581 is Commodore's 3.5 inch drive for the C64 and C128: 800 KB per disk in MFM format, subdirectories (partitions) and burst mode, in a compact case with external power supply.
| Years | 1987 to 1990 |
|---|---|
| Manufacturer | Commodore Business Machines |
| Compatibility | Commodore 64, 128, VIC-20, Plus/4 (serial bus) |
| Media | 3.5" double-sided double-density floppy disk, MFM encoding, 800 KB per disk (790 KB usable) |
| Processor | MOS Technology 6502 with WD1770 or WD1772 controller, 8 KB RAM and 32 KB ROM (CBM DOS 10.0) |
| Interface | Commodore serial bus with burst mode |
| Power | external power supply, 10 W |
| Case | compact light beige case matching the 64C and 128 |
Documentation
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