User's manual for CBM Dual Drive Floppys model 2040, model 4040, model 3040, model 8050
Subtitle: appropriatefor use with Commodore computers series 2001 (CBM-PET), series 3000 (CMB), series 4000 (PET), series 8000 (CBM).
Publisher: Commodore Business Machines, Inc.
Published: 1980
Place of publication: Santa Clara, Cal
Language: eng