Commodore CBM 4040 Dual Drive Floppy Disk
Photo 1: w:user:Malcolm Farmer, public domain, via Wikimedia Commons (Commodore4040.jpg)
Floppy disk drive, 1980, Commodore. The CBM 4040 is the dual 5.25 inch drive of the PET 4000 series, successor of the 2040 (US) and 3040 (Europe), with two processors and 170 KB per disk on the parallel IEEE-488 bus.
| Years | 1980 to 1982 |
|---|---|
| Manufacturer | Commodore Business Machines |
| Compatibility | PET/CBM 2001, 3000, 4000 and 8000 series, CBM-II |
| Media | 2 x 5.25" single-sided floppy disks, GCR encoding, 170 KB per disk |
| Processors | MOS Technology 6502 and 6504, 4 KB RAM and 10 KB ROM (CBM DOS 2.6) |
| Interface | parallel IEEE-488 |
| Case | wide dual-drive case |
Documentation
No documents available yet for this model. Browse the documentation section.
