4.1) What are the Atari 820, 822, and 825 Printers?

The following printers were produced by Atari and styled to match the 400/800 computers. Atari 820 Printer - Sold by Atari in the USA only - 40-column dot matrix impact printer - 5x7 dot matrix - 40 characters per line, upper & lower case alpha - Horizontal and vertical alphanumeric characters - 6507 MPU (MOS Technology MCS6507 or equivalent), C010745 - 6532 PIA (MOS Technology 6532 RAM-I/O-Timer (RIOT) or equivalent), C010750 - 2KiB ROM - 40 characters per second - 400/800 OS: Responds to P: and ignores any device number XL OS: Responds to P: and P1: - 2 Atari SIO ports for direct connection to Atari computers - Included: - Atari SIO cable CA14122 (3 ft.) - Ribbon - Standard Roll Paper (one roll) - Atari 820 Printer Operator's Manual C014762 (CO14762) - Power supply is built-in (plugs directly into the wall, 120V AC, 18W) - (There is no 220V/240V version of the 820.) - Uses Standard Roll Paper/adding machine paper - Print mechanism: LRC 7000 / Eaton 7000 - Made in ???????? - Industrial design (case): Roy Nishi and Russell W. Farnell - Sold separately: - Atari 820 Printer Paper (Roll Paper) C014062 - Atari 820 Printer Ribbon C014854 - Technical manuals: - Atari 820 40 Column Printer Service Manual - FS015893 REV. 1 January, 1980 - Atari 820 40 Column Printer Field Fervice Manual - FD100048 July, 1981 (c)1982 Atari 822 Thermal Printer - 37 characters per second - 10 characters per inch (cpi) - 40 characters per line, upper/lower case and point graphics - 5x7 dot matrix - 400/800 OS: Responds to P: and ignores any device number XL OS: Responds to P: and P1: - 2 Atari SIO ports for direct connection to Atari computers - Included: - AC Power Adapter - I/O Data Cord - One roll of white thermal paper installed - Atari 822 Thermal Printer Operator's Manual C015954 (CO15954) - Power: Used with an external 9 volt AC transformer power supply rated for at least 18 watts: Atari CA014748 or equivalent - Print mechanism: Trendcom 100 - Made in USA by Trendcom for Atari - Sold separately: - Atari 822 Thermal Printer Paper (2 rolls) C016345 Atari 825 80-Column Printer - Sold by Atari in the USA only - Dot matrix impact printer - 3 character sets: monospaced 7x8 dot matrix at 10 cpi (default) monospaced condensed at 16.7 cpi proportionately spaced Nx9 dot matrix at avg of 14 cpi (N=6..18) - Each character set with 96 standard ASCII characters - All characters can be elongated (printer double width) - Characters per line: 80 at 10 cpi; 132 at 16.7 cpi - Speed: 50 cps at 10 cpi; 83 cps at 16.7 cpi; 79 cps avg. proportional - Print buffer: 1200 dot columns - Controls along bottom of front of printer, left to right: - Online/Local - Paper Rev<->Fwd - Power Off On - Paper: roll, fanfold, or cut sheets - Connectivity: 40 pin PCB edge. Pinout: 40 2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 39 1 1. Data Strobe 2. Ground 3. Data Bit 1 4. Ground 5. Data Bit 2 6. Ground 7. Data Bit 3 8. Ground 9. Data Bit 4 10. Ground 11. Data Bit 5 12. Ground 13. Data Bit 6 14. Ground 15. Data Bit 7 16. Ground 17. Data Bit 8 18. Ground 19. Acknowledge 20. Ground 21. Busy 22. Ground 23. Always Logic 0 (Ground) 24. Ground 25. On-Line 26. Not Used 27. Signal Ground 28. Always Logic 1 29. Not Used 30. Ground 31. Signal Ground 32. +-+ Pin 32 connected to 33. Chassis Ground 34. +-+ Pin 34 in Printer 35. +5V Signal (Power Supply On) 36. Demand 37. +17V 38. Not Used 39. +17V 40. Not Used - Requires Atari 850 Interface Module or equivalent to connect to the Atari computer. As such: 400/800 OS: Responds to P: and ignores any device number XL OS: Responds to P:, P1:, and P2: - Included: - Ribbon - Atari CX86 Printer Cable (825 to 850 parallel) - Atari 825 80-Column Printer Operator's Manual C015506 (CO15506) - Power supply is built-in (plugs directly into the wall, 120V AC, 100W) - (There is no 220V/240V version of the 825.) - Print mechanism: Centronics 737 - Made in ???????? - Sold separately: - Atari 825 Printer Ribbon (3 per box) CA016087 - Atari 825 Printer Paper (Roll Paper) C016233 - Atari 825 Paper Mandrel C016229 - Atari 825 Paper Roll Support C016230 - Atari 825 Paper Deflector C016231 - Technical manual: 825 Printer Field Service Manual