505 - Line printer 512 - Line printer, chain type 601 - Magnetic tape drive 604 - Magnetic tape drive 607 - Magnetic tape drive 609 - Magnetic tape drive (9-track) 700 series - Optical page reader 800 - Rotating magnetic memory series 808 - Rotating disks, approx 32 inches per disk, approx 32-36 disks per spindle. 852 - Disk drive with removable media pack, 2 to 3 million seven 7-bit characters, six disks (10 recording surfaces)/pack. Data-compatible with IBM 1311 853 - Similar to 852, 4 million characters. Media mechanically interchangeable with IBM 1311, but not recorded data 854 - Similar to 853, 8 million characters 915 - Optical page reader The CDC 6000 series were also initially marketed with many of the same peripherals. See also Punched card input/output References External links "Bizarre Architecture" lecture series at Univ. of Mass. (pdf) 3000 series documentation at bitsavers.org OS3 documentation at bitsavers.org 3000 series brochure at computerhistory.org CDC printers/peripherals for sale (Ad,1975: CDC 501,505,512 3000 Control Data Corporation mainframe computers Transistorized computers 24-bit computers 48-bit computers