{"id":1644,"date":"2022-03-02T01:55:00","date_gmt":"2022-03-02T00:55:00","guid":{"rendered":"https:\/\/www.pagetable.com\/?p=1644"},"modified":"2022-03-02T01:55:00","modified_gmt":"2022-03-02T00:55:00","slug":"the-commodore-modem-300-model-1660","status":"publish","type":"post","link":"https:\/\/www.pagetable.com\/?p=1644","title":{"rendered":"The Commodore Modem\/300 (Model 1660)"},"content":{"rendered":"

The Commodore 1660, also known as the “Modem\/300”, is Commodore’s first full-featured modem: It connects directly to the phone line and supports pulse and tone dialing for 300 baud duplex connections.<\/p>\n

Historical Context<\/h2>\n\n\n\n\n\n\n\n\n
Year <\/th>\n Name <\/th>\n Model <\/th>\n Description <\/th>\n<\/tr>\n<\/thead>\n
1982 <\/td>\n VICMODEM<\/a> <\/td>\n 1600 <\/td>\n connected to phone’s handset connector; manual dialing through phone; Motorola MC14412 <\/td>\n<\/tr>\n
1982 <\/td>\n AUTOMODEM<\/a> <\/td>\n 1650 <\/td>\n connected to phone line, pulse dialing in software; Motorola MC14412 <\/td>\n<\/tr>\n
1985 <\/td>\n MODEM\/300<\/a> <\/td>\n 1660 <\/td>\nadded tone dialing support by feeding SID output into modem; Texas Instruments TMS99532A <\/td>\n<\/tr>\n
1987 <\/td>\n MODEM\/1200<\/a> <\/td>\n 1670 <\/td>\n Hayes command set; pulse and tone dialing in hardware; 300\/1200 baud support; U.S. Robotics chipset <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Photos<\/h2>\n

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On the front, there is the user port connector. On the left, there is a switch that can be put into the “A” (answer) or “O” (originate) position, depending whether a phone call is supposed to be made or accepted.<\/p>\n

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On the back, there are<\/p>\n