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The Atari 5200 SuperSystem, commonly known as the Atari 5200, is a home video game console that was introduced in 1982 by Atari Inc. as a higher-end complementary console for the popular Atari 2600. The 5200 was created to compete with the Intellivision, but wound up more directly competing with the ColecoVision shortly after its release.〔G4TV's Icons season 2 episode 1 "Atari"〕 The 5200 was based on Atari Inc.'s existing 400/800 computers and the internal hardware was almost identical, although software was not directly compatible between the two systems. The 5200's controllers have an analog joystick and a numeric keypad along with start, pause and reset buttons. The 360-degree non-centering joystick was touted as offering more control than the eight-way joystick controller offered with the Atari 2600. ==Hardware== Much of the technology in the Atari 8-bit family of home computer systems was originally developed as a second-generation games console intended to replace the 2600. However, as the system was reaching completion, the personal computer revolution was starting with the release of machines like the Commodore PET, TRS-80 and Apple II. These machines had less advanced hardware than the 5200, but sold for much higher prices with associated higher profit margins. Atari's management decided to enter this market, and the technology was repackaged into the Atari 400 and 800. The chipset used in the these machines was created with the mindset that the 2600 would likely be obsolete by the 1980 time frame. What was surprising, however, was that the entry into this new market of competition helped to quickly cut off the sales of the 2600. Atari decided to re-enter the games market with a design that closely matched their original 1978 specifications. In its prototype stage, the Atari 5200 was originally called the "Atari Video System X - Advanced Video Computer System", and was codenamed "Pam" after a female employee at Atari Inc. It is also rumored that PAM actually stood for "Personal Arcade Machine", as the majority of games for the system ended up being arcade conversions. Actual working ''Atari Video System X'' machines, whose hardware is 100% identical to the Atari 5200 do exist, but are extremely rare. The initial 1982 release of the system featured four controller ports, where nearly all other systems of the day had only one or two ports. The 5200 also featured a new style controller with an analog joystick, numeric keypad, two fire buttons on each side of the controller and game function keys for Start, Pause, and Reset. The 5200 also featured the innovation of the first automatic TV switchbox, allowing it to automatically switch from regular TV viewing to the game system signal when the system was activated. Previous RF adapters required the user to slide a switch on the adapter by hand. This unique RF box was also where the power supply connected in a unique dual power/television signal setup similar to the RCA Studio II's. A single cable coming out of the 5200 plugged into the switch box and was used for both electricity and the television signal. The 1983 revision of the Atari 5200 has two controller ports instead of four, and a change back to the more conventional separate power supply and standard non-autoswitching RF switch. It also has changes in the cartridge port address lines to allow for the Atari 2600 adapter released that year. While the adapter was only made to work on the two-port version, modifications can be made to the four-port to make it line-compatible. In fact, towards the end of the four-port model's production run, there were a limited number of consoles produced which included these modifications. These consoles can be identified by an asterisk in their serial number. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Atari 5200」の詳細全文を読む スポンサード リンク
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