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About Nintendo Entertainment System

The Nintendo Entertainment System (also abbreviated as NES) is an 8-bit home video game console that was developed and manufactured by Nintendo. It was initially released in Japan as the Family Computer (ファミリーコンピュータ Famirī Konpyūta) (also known as the Famicom (ファミコン Famikon) and abbreviated as FC) on July 15, 1983, and was later released in North America during 1985, in Europe during 1986, and Australia in 1987. In South Korea, it was known as the Hyundai Comboy (현대 컴보이) and was distributed by SK Hynix which then was known as Hyundai Electronics. It was succeeded by the Super Famicom/Super Nintendo Entertainment System.

The best-selling gaming console of its time, the NES helped revitalize the US video game industry following the video game crash of 1983. With the NES, Nintendo introduced a now-standard business model of licensing third-party developers, authorizing them to produce and distribute titles for Nintendo's platform.

In 2009, the Nintendo Entertainment System was named the single greatest video game console in history by IGN, out of a field of 25. It was the second greatest console behind only the Sega Dreamcast in PC magazines "Top 10 video game consoles of all time".

Following a series of arcade game successes in the early 1980s, Nintendo made plans to create a cartridge-based console called the Famicom. Masayuki Uemura designed the system. Original plans called for an advanced 16-bit system which would function as a full-fledged computer with a keyboard and floppy disk drive, but Nintendo president Hiroshi Yamauchi rejected this and instead decided to go for a cheaper, more conventional cartridge-based game console as he felt that features such as keyboards and disks were intimidating to non-technophiles. A test model was constructed in October 1982 to verify the functionality of the hardware, after which work began on programming tools. Because 65xx CPUs had not been manufactured or sold in Japan up to that time, no cross-development software was available and it had to be produced from scratch. Early Famicom games were written on a system that ran on an NEC PC-8001 computer and LEDs on a grid were used with a digitizer to design graphics as no software design tools for this purpose existed at that time.

The code name for the project was "GameCom", but Masayuki Uemura's wife proposed the name "Famicom", arguing that "In Japan, 'pasokon' is used to mean a personal computer, but it is neither a home or personal computer. Perhaps we could say it is a family computer." Meanwhile, Hiroshi Yamauchi decided that the console should use a red and white theme after seeing a billboard for DX Antenna which used those colors.

Original plans called for the Famicom's cartridges to be the size of a cassette tape, but ultimately they ended up being twice as big. Careful design attention was paid to the cartridge connectors since loose and faulty connections often plagued arcade machines. As it necessitated taking 60 connection lines for the memory and expansion, Nintendo decided to produce their own connectors in-house rather than use ones from an outside supplier.

The game pad controllers were more-or-less copied directly from the Game & Watch machines, although the Famicom design team originally wanted to use arcade-style joysticks, even taking apart ones from American game consoles to see how they worked. However, it was eventually decided that children might step on joysticks left on the floor and their durability was also questioned. Katsuyah Nakawaka attached a Game & Watch D-pad to the Famicom prototype and found that it was easy to use and had no discomfort. Ultimately though, they did install a 15-pin expansion port on the front of the console so that an arcade-style joystick could be used optionally. The controllers were hard-wired to the console with no connectors for cost reasons.

Uemura added an eject lever to the cartridge slot which was not really necessary, but he felt that children could be entertained by pressing it. He also added a microphone to the second controller with the idea that it could be used to make players' voices sound through the TV speaker. Release

The console was released on July 15, 1983 as the Famicom (lit. Family Computer) for ¥14,800 alongside three ports of Nintendo's successful arcade games Donkey Kong, Donkey Kong Jr. and Popeye. The Famicom was slow to gather momentum; a bad chip set caused the initial release of the system to crash. Following a product recall and a reissue with a new motherboard, the Famicom’s popularity soared, becoming the best-selling game console in Japan by the end of 1984.

Encouraged by these successes, Nintendo soon turned its attention to the North American market. Nintendo entered into negotiations with Atari to release the Famicom under Atari’s name as the name Nintendo Advanced Video Gaming System. The deal was set to be finalized and signed at the Summer Consumer Electronics Show in June 1983. However, Atari discovered at that show that its competitor Coleco was illegally demonstrating its Coleco Adam computer with Nintendo's Donkey Kong game. This violation of Atari's exclusive license with Nintendo to publish the game for its own computer systems delayed the implementation of Nintendo's game console marketing contract with Atari. Atari's CEO Ray Kassar was fired the next month, so the deal went nowhere, and Nintendo decided to market its system on its own.

Subsequent plans to market a Famicom console in North America featuring a keyboard, cassette data recorder, wireless joystick controller and a special BASIC cartridge under the name "Nintendo Advanced Video System" likewise never materialized. By the beginning of 1985, the Famicom had sold more than 2.5 million units in Japan and Nintendo soon announced plans to release it in North America as the Advanced Video Entertainment System (AVS) that same year. The American video game press was skeptical that the console could have any success in the region, with the March 1985 issue of Electronic Games magazine stating that "the videogame market in America has virtually disappeared" and that "this could be a miscalculation on Nintendo's part."

At June 1985's Consumer Electronics Show (CES), Nintendo unveiled the American version of its Famicom. This is the system which would eventually be officially deployed as the Nintendo Entertainment System, or the colloquial "NES". Nintendo seeded these first systems to limited American test markets starting in New York City on October 18, 1985, following up with a full-fledged North American release of the console in February of the following year. Nintendo released 18 launch titles: 10-Yard Fight, Baseball, Clu Clu Land, Duck Hunt, Donkey Kong Jr. Math, Excitebike, Golf, Gyromite, Hogan’s Alley, Ice Climber, Kung Fu, Mach Rider, Pinball, Stack-Up, Tennis, Wild Gunman, Wrecking Crew, and Super Mario Bros.. Some varieties of these launch games contained Famicom chips with an adapter inside the cartridge so they would play on North American consoles, which is why the title screen of "Gyromite" has the Famicom title "Robot Gyro" and the title screen of "Stack-Up" has the Famicom title "Robot Block".
R.O.B. (Robotic Operating Buddy), an accessory for the NES's 1985 launch. Although it ended up having a short product lifespan, R.O.B. was initially used to market the NES as novel and sophisticated compared to previous game consoles.

The system was originally targeted for release in the spring of 1985, but the release date was pushed back. After test-marketing in the New York City area in late fall, retailers had reportedly stated the system "failed miserably". Nintendo tried a second time, the system was test-marketed further beginning in February 1986, with the nationwide release occurring in September 1986. For more details on this topic, see History of the Nintendo Entertainment System § North America.

The system's launch represented not only a new product, but also a reframing of the severely damaged home video game market segment as a whole. The video game market crash of 1983 had occurred in significant part due to a lack of consumer and retailer confidence in video games, which had in turn been due partially to confusion and misrepresentation in the marketing of video games. Prior to the NES, the packaging of many video games presented bombastic artwork which exaggerated the graphics of the actual game. In terms of product identity, a single game such as Pac-Man would appear in many versions on many different game consoles and computers, with large variations in graphics, sound, and general quality between the versions. By stark contrast, Nintendo's marketing strategy aimed to regain consumer and retailer confidence, by delivering a singular platform whose technology was not in need of heavy exaggeration and whose qualities were clearly defined.

To differentiate Nintendo's new home platform from the early 1980s' common perception of a beleaguered and frivolous video game market, the company freshened its product nomenclature and positioning, and it established a rigorous product approval and licensing policy. The overall system was referred to as an "Entertainment System" instead of a "video game system", which was centered upon a machine called a "Control Deck" instead of a "console", and which featured software cartridges called "Game Paks" instead of "video games". The 10NES lockout chip system acted as a lock-and-key coupling of each Game Pak and Control Deck, deterring the copying or production of NES games which had not first achieved Nintendo's licensed approval. The packaging of the launch lineup of NES games bore pictures of a very close representation of the actual onscreen graphics of the game, which were of sufficiently recognizable quality on their own. Symbols on the launch games' packaging clearly indicated the genre of the game, in order to reduce consumer confusion. A 'seal of quality' was printed on all appropriately licensed game and accessory packaging. The initial seal stated, "This seal is your assurance that Nintendo has approved and guaranteed the quality of this product". This text was later changed to "Official Nintendo Seal of Quality". For more details on this topic, see Nintendo Entertainment System § Third-party licensing.

Unlike with the Famicom, Nintendo of America marketed the console primarily to children, instituting a rather strict policy of censoring profanity, sexual, religious, or political content in games. The most famous case of this was Lucasfilm's attempts to port Maniac Mansion (a game with a considerable amount of unacceptable material) to the NES. NOA continued their censorship policy until 1994 with the advent of the Entertainment Software Rating Board system.

The optional Robotic Operating Buddy, or R.O.B., was part of a marketing plan to portray the NES's technology as being novel and sophisticated when compared to previous game consoles, and to portray its position as being within reach of the better established toy market. While at first, the American public exhibited limited excitement for the console itself, peripherals such as the light gun and R.O.B. also attracted extensive attention.

In Europe and Australia, the system was released to two separate marketing regions. One region consisted of most of mainland Europe (excluding Italy), and distribution there was handled by a number of different companies, with Nintendo responsible for most cartridge releases. Most of this region saw a 1986 release. Mattel handled distribution for the other region, consisting of the United Kingdom, Canada, Italy, Australia and New Zealand, starting the following year. Not until the 1990s did Nintendo's newly created European branch direct distribution throughout Europe. The Nintendo Entertainment System's Control Deck

For its complete North American release, the Nintendo Entertainment System was progressively released over the ensuing years in four different bundles: the Deluxe Set, the Control Deck, the Action Set and the Power Set. The Deluxe Set, retailing at US$199.99 (equivalent to $474 in 2014), included R.O.B., a light gun called the NES Zapper, two controllers, and two Game Paks: Gyromite, and Duck Hunt. The Basic Set, retailing at US$89.99 with no game, and US$99.99 bundled with "Super Mario Bros." The Action Set, retailing in 1988 for US$149.99, came with the Control Deck, two game controllers, an NES Zapper, and a dual Game Pak containing both Super Mario Bros. and Duck Hunt. In 1989, the Power Set included the console, two game controllers, a NES Zapper, a Power Pad, and a triple Game Pak containing Super Mario Bros, Duck Hunt, and World Class Track Meet. In 1990, a Sports Set bundle was released, including the console, an NES Satellite infrared wireless multitap adapter, four game controllers, and a dual Game Pak containing Super Spike V'Ball and Nintendo World Cup. Two more bundle packages were later released using the original model NES console. The Challenge Set of 1992 included the console, two controllers, and a Super Mario Bros. 3 Game Pak for a retail price of US$89.99. The Basic Set, first released in 1987, was repackaged for a retail US$89.99. It included only the console and two controllers, and no longer was bundled with a cartridge. Instead, it contained a book called the Official Nintendo Player's Guide, which contained detailed information for every NES game made up to that point.

Finally, the console was redesigned for both the North American and Japanese markets as part of the final Nintendo-released bundle package. The package included the new style NES-101 console, and one redesigned "dogbone" game controller. Released in October 1993 in North America, this final bundle retailed for US$49.99 and remained in production until the discontinuation of the NES in 1995. Reception

By 1988 industry observers stated that the NES's popularity had grown so quickly that the market for Nintendo cartridges was larger than that for all home computer software.Compute! reported in 1989 that Nintendo had sold seven million NES systems in 1988, almost as many as the number of Commodore 64s sold in its first five years. "Computer game makers [are] scared stiff", the magazine said, stating that Nintendo's popularity caused most to have poor sales during the previous Christmas and resulting in serious financial problems for some. By 1990 30% of American households owned the NES, compared to 23% for all personal computers.

Despite the system’s lackluster performance outside of Japan and North America, by 1990 the NES had outsold all previously released consoles worldwide. The slogan for this brand was It can't be beaten. The Nintendo Entertainment System was not available in the Soviet Union.

As the 1990s dawned, gamers predicted that competition from technologically superior systems such as the 16-bit Sega Mega Drive/Genesis would mean the immediate end of the NES’s dominance. Instead, during the first year of Nintendo's successor console the Super Famicom (named the Super Nintendo outside Japan), the Famicom remained the second highest-selling video game console in Japan, outselling the newer and more powerful NEC PC Engine and Sega Mega Drive by a wide margin. The console remained popular in Japan and North America until late 1993, when the demand for new NES software abruptly plummeted. The last game released in Japan was Takahashi Meijin no Bōken Jima IV (Adventure Island IV), while in North America, Wario's Woods was the last licensed game. In the wake of ever decreasing sales and the lack of new software titles, Nintendo of America officially discontinued the NES by 1995. Despite this, Nintendo of Japan kept producing new Nintendo Famicom units until September 2003, and continued to repair Famicom consoles until October 31, 2007, attributing the decision to discontinue support because of insufficient supplies of parts. Legacy

The NES was released after the "video game crash" of the early '80s, whereupon many retailers and adults had regarded electronic games as being merely a passing fad, and many believed at first that the NES was another fad. Before the NES/Famicom, Nintendo was known as a moderately successful Japanese toy and playing card manufacturer, and the popularity of the NES/Famicom helped the company grow into an internationally recognized name almost synonymous with video games as Atari had been during the 2600 era and set the stage for Japanese dominance of the video game industry. With the NES, Nintendo also changed the relationship of console manufacturers and third-party software developers by restricting developers from publishing and distributing software without licensed approval. This led to higher quality software titles, which helped to change the attitude of a public that had grown weary from poorly produced titles for other game systems of the day.

The NES hardware was also very influential. Nintendo chose the name "Nintendo Entertainment System" for the US market and redesigned the system so it would not give the appearance of a child's toy. The front-loading cartridge input allowed it to be used more easily in a TV stand with other entertainment devices, such as a video cassette player.

There were many prominent game franchises that originated on the NES. The system's hardware limitations led to game design similarities that still influence video game design and culture. Some of the more important franchises that debuted on the NES were Nintendo's own Super Mario Bros.,The Legend of Zelda and Metroid,Capcom's Mega Man franchise, Konami's Castlevania franchise, Square's Final Fantasy and Enix's Dragon Quest franchises. All of these still exist today.

NES imagery, especially its controller, has become a popular motif for a variety of products, including Nintendo's own Game Boy Advance. Clothing, accessories, and food items adorned with NES-themed imagery are still produced and sold in stores. Such items include hats, shirts, underwear, wallets, wrist-bands, belt buckles, tins containing mint candy, and energy drinks.

Games The Nintendo Entertainment System offered a number of groundbreaking titles. Super Mario Bros. pioneered side-scrollers while The Legend of Zelda helped popularize battery-backed save functionality. Game Pak Main article: Nintendo Entertainment System Game Pak North American and European NES cartridges (or "Game Paks") are significantly larger than Japanese Famicom cartridges.

The NES uses a 72-pin design, as compared with 60 pins on the Famicom. To reduce costs and inventory, some early games released in North America were simply Famicom cartridges attached to an adapter to fit inside the NES hardware. Originally, NES cartridges were held together with five small slotted screws. Games released after 1987 were redesigned slightly to incorporate two plastic clips molded into the plastic itself, removing the need for the top two screws.

The back of the cartridge bears a label with instructions on handling. Production and software revision codes were imprinted as stamps on the back label to correspond with the software version and producer. With the exception of The Legend of Zelda and Zelda II: The Adventure of Link, manufactured in gold-plastic carts, all licensed NTSC and PAL cartridges are a standard shade of gray plastic. Unlicensed carts were produced in black, robin egg blue, and gold, and are all slightly different shapes than standard NES cartridges. Nintendo also produced yellow-plastic carts for internal use at Nintendo Service Centers, although these "test carts" were never made available for purchase. All licensed US cartridges were made by Nintendo, Konami and Acclaim. For promotion of DuckTales: Remastered, Capcom sent 150 limited-edition gold NES cartridges with the original game, featuring the Remastered art as the sticker, to different gaming news agencies. The instruction label on the back included the opening lyric from the show's theme song, "Life is like a hurricane".

Japanese (Famicom) cartridges are shaped slightly differently. While the NES used a 72-pin interface, the Famicom system used a 60-pin design. Unlike NES games, official Famicom cartridges were produced in many colors of plastic. Adapters, similar in design to the popular accessory Game Genie, are available that allow Famicom games to be played on an NES. In Japan, several companies manufactured the cartridges for the Famicom. This allowed these companies to develop their own customized chips designed for specific purposes, such as chips that increased the quality of sound in their games. Third-party licensing

Nintendo's near monopoly on the home video game market left it with a degree of influence over the industry. Unlike Atari, which never actively courted third-party developers (and even went to court in an attempt to force Activision to cease production of Atari 2600 games), Nintendo had anticipated and encouraged the involvement of third-party software developers; strictly, however, on Nintendo's terms. Some of the Nintendo platform-control measures were adopted by later console manufacturers such as Sega, Sony, and Microsoft, although not as stringent.

To this end, a 10NES authentication chip was placed in every console and another was placed in every officially licensed cartridge. If the console's chip could not detect a counterpart chip inside the cartridge, the game would not load. Nintendo portrayed these measures as intended to protect the public against poor-quality games, and placed a golden seal of approval on all licensed games released for the system.

Nintendo was not as restrictive as Sega, which did not permit third-party publishing until Mediagenic in late summer 1988. Nintendo's intention, however, was to reserve a large part of NES game revenue for itself. Nintendo required that they be the sole manufacturer of all cartridges, and that the publisher had to pay in full before the cartridges for that game be produced. Cartridges could not be returned to Nintendo, so publishers assumed all the risk. As a result, some publishers lost more money due to distress sales of remaining inventory at the end of the NES era than they ever earned in profits from sales of the games. Because Nintendo controlled the production of all cartridges, it was able to enforce strict rules on its third-party developers, which were required to sign a contract by Nintendo that would obligate these parties to develop exclusively for the system, order at least 10,000 cartridges, and only make five games per year. A 1988 shortage of DRAM and ROM chips also reportedly caused Nintendo to only permit 25% of publishers' requests for cartridges. This was an average figure, with some publishers receiving much higher amounts and others almost none.GameSpy noted that Nintendo's "iron-clad terms" made the company many enemies during the 1980s. Some developers tried to circumvent the five game limit by creating additional company brands like Konami's Ultra Games label; others tried circumventing the 10NES chip. Further information: § Unlicensed games

Nintendo was accused of antitrust behavior because of the strict licensing requirements. The United States Department of Justice and several states began probing Nintendo's business practices, leading to the involvement of Congress and the Federal Trade Commission (FTC). The FTC conducted an extensive investigation which included interviewing hundreds of retailers. During the FTC probe, Nintendo changed the terms of its publisher licensing agreements to eliminate the two-year rule and other restrictive terms. Nintendo and the FTC settled the case in April 1991, with Nintendo required to send vouchers giving a $5 discount off to a new game, to every person that had purchased a NES title between June 1988 and December 1990. GameSpy remarked that Nintendo's punishment was particularly weak giving the case's findings, although it has been speculated that the FTC did not want to damage the video game industry in the United States.

In the longer run, however, with the NES near its end of its life many third-party publishers such as Electronic Arts supported upstart competing consoles with less onerous licensing terms such as the Sega Genesis and then the PlayStation, which eroded and then took over Nintendo's dominance in the home console market, respectively. Consoles from Nintendo's rivals in the post-SNES era had always enjoyed much stronger third-party support than Nintendo, which relied more heavily on first-party games. Unlicensed games

Several companies, refusing to pay the licensing fee or having been rejected by Nintendo, found ways to circumvent the console's authentication system. Most of these companies created circuits that used a voltage spike to temporarily disable the 10NES chip in the NES. A few unlicensed games released in Europe and Australia came in the form of a dongle that would be connected to a licensed game, in order to use the licensed game's 10NES chip for authentication. In order to combat unlicensed games, Nintendo of America threatened retailers who sold them with losing their supply of licensed titles. In addition, multiple revisions were made to the NES PCBs to prevent these games from working.

Atari Games created a line of NES products under the name Tengen and took a different approach. The company attempted to reverse engineer the lockout chip to develop its own "Rabbit" chip. However, Tengen also obtained a description of the lockout chip from the United States Patent and Trademark Office by falsely claiming that it was required to defend against present infringement claims in a legal case. Nintendo sued Tengen for copyright infringement, which Tengen lost as it could not prove that the legally obtained patent documents had not been used by the reverse engineering team. Tengen's antitrust claims against Nintendo were never finally decided.

Color Dreams produced Christian video games under the subsidiary name Wisdom Tree. They were never sued by Nintendo as the company probably feared a public relations backlash. Emulation

The NES can be emulated on many other systems, most notably the PC. One of the earliest emulators—NESticle—offered its initial release as NESticle v0.2 on April 3, 1997. There have since been many other emulators. The Virtual Console for the Wii, Nintendo 3DS and Wii U also offers emulation of many NES games. Game Rentals

As the Nintendo Entertainment System grew in popularity and entered millions of American homes, some small video rental shops began buying their own copies of NES games, and renting them out to customers for around the same price as a video cassette rental for a few days. Nintendo received no profit from the practice beyond the initial cost of their game, and unlike movie rentals, a newly released game could hit store shelves and be available for rent on the same day. Nintendo took steps to stop game rentals, but didn't take any formal legal action until Blockbuster Video began to make game rentals a large-scale service. Nintendo claimed that allowing customers to rent games would significantly hurt sales and drive up the cost of games. Nintendo lost the lawsuit, but did win on a claim of copyright infringement. Blockbuster was banned from including original, copyrighted instruction booklets with their rented games. In compliance with the ruling, Blockbuster produced their own short instructions—usually in the form of a small booklet, card, or label stuck on the back of the rental box—that explained the game's basic premise and controls. Video rental shops continued the practice of renting video games and still do today.

There were some risks with renting cartridge-based games, however. Most rental shops did not clean the connectors and they would become dirty over time. Renting and using a cartridge with dirty connectors posed a problem for consoles, especially the Nintendo Entertainment System which was particularly susceptible to operation problems and failures when its internal connectors became dirty (see the Design flaws section below). Hardware Configurations

Although the Japanese Famicom, North American and European NES versions included essentially the same hardware, there were certain key differences among the systems.

The original Japanese Famicom was predominantly white plastic, with dark red trim. It featured a top-loading cartridge slot and grooves on both sides of the deck in which the hardwired game controllers could be placed when not in use. The Famicom featured a top-loading cartridge slot, a 15-pin expansion port located on the unit’s front panel for accessories (as the controllers were hard-wired to the back of the console) and a red and white color scheme.

The original NES, meanwhile, featured a front-loading cartridge covered by a small, hinged door that can be opened to insert or remove a cartridge and closed at other times. It features a more subdued gray, black, and red color scheme. An expansion port was found on the bottom of the unit and the cartridge connector pinout was changed.

In the UK, Italy and Australia which share the PAL A region, two versions of the NES were released; the "Mattel Version" and "NES Version". When the NES was first released in those countries, it was distributed by Mattel and Nintendo decided to use a lockout chip specific to those countries, different from the chip used in other European countries. When Nintendo took over European distribution in 1990, they produced consoles that were then labelled "NES Version"; therefore, the only differences between the two are the text on the front flap and texture on the top/bottom of the casing. The NES-101 control deck alongside its similarly redesigned NES-039 game controller.

In 1993, Nintendo redesigned the NES to follow many of the same design cues as the newly-introduced Super Nintendo Entertainment System. Like the SNES, the NES-101 model loaded cartridges through a covered slot on top of the unit replacing the complicated mechanism of the earlier design. For this reasion the NES-101 is known informally as the "top-loader" among Nintendo fans. Design flaws The official NES Cleaning Kit was intended to address flaws in the NES design that caused cartridge connectors to be particularly susceptible to interference from dirt and dust.

When Nintendo released the NES in the US, the design styling was deliberately different from that of other game consoles. Nintendo wanted to distinguish its product from those of competitors and to avoid the generally poor reputation that game consoles had acquired following the video game crash of 1983. One result of this philosophy was to disguise the cartridge slot design as a front-loading zero insertion force (ZIF) cartridge socket, designed to resemble the front-loading mechanism of a VCR. The newly designed connector worked quite well when both the connector and the cartridges were clean and the pins on the connector were new. Unfortunately, the ZIF connector was not truly zero insertion force. When a user inserted the cartridge into the NES, the force of pressing the cartridge down and into place bent the contact pins slightly, as well as pressing the cartridge’s ROM board back into the cartridge itself. Frequent insertion and removal of cartridges caused the pins to wear out from repeated usage over the years and the ZIF design proved more prone to interference by dirt and dust than an industry-standard card edge connector. These design issues were not alleviated by Nintendo’s choice of materials; the console slot nickel connector springs would wear due to design and the game cartridge copper connectors were also prone to tarnishing. Many players would try to alleviate issues in the game caused by this corrosion by blowing into the cartridges, then reinserting them, which actually hurt the copper connectors by speeding up the tarnishing. The 10NES authentication chip contributed to the system's reliability problems. The circuit was ultimately removed from the remodeled NES 2. Lockout

The Famicom contained no lockout hardware and, as a result, unlicensed cartridges (both legitimate and bootleg) were extremely common throughout Japan and the Far East. The original NES (but not the top-loading NES-101) contained the 10NES lockout chip, which significantly increased the challenges faced by unlicensed developers. Tinkerers at home in later years discovered that disassembling the NES and cutting the fourth pin of the lockout chip would change the chip’s mode of operation from "lock" to "key", removing all effects and greatly improving the console’s ability to play legal games, as well as bootlegs and converted imports. NES consoles sold in different regions had different lockout chips, so games marketed in one region would not work on consoles from another region. Known regions are: USA/Canada (3193 lockout chip), most of Europe (3195), Asia (3196) and UK, Italy and Australia (3197). Since two types of lockout chip were used in Europe, European NES game boxes often had an "A" or "B" letter on the front, indicating whether the game is compatible with UK/Italian/Australian consoles (A), or the rest of Europe (B). Rest-of-Europe games typically had text on the box stating "This game is not compatible with the Mattel or NES versions of the Nintendo Entertainment System". Similarly, UK/Italy/Australia games stated "This game is only compatible with the Mattel or NES versions of the Nintendo Entertainment System".

Pirate cartridges for the NES were rare, but Famicom ones were common and widespread in Asia. Most were produced in Hong Kong or Taiwan, and they usually featured a variety of small (32k or less) games which were selected from a menu and bank switched. Some were also hacks of existing games (especially Super Mario Bros.), and a few were cartridge conversions of Famicom Disk System titles such as the Japanese SMB2.

Problems with the 10NES lockout chip frequently resulted in the console's most infamous problem: the blinking red power light, in which the system appears to turn itself on and off repeatedly because the 10NES would reset the console once per second. The lockout chip required constant communication with the chip in the game to work. Dirty, aging and bent connectors would often disrupt the communication, resulting in the blink effect. Alternatively, the console would turn on but only show a solid white, gray, or green screen. Users attempted to solve this problem by blowing air onto the cartridge connectors, inserting the cartridge just far enough to get the ZIF to lower, licking the edge connector, slapping the side of the system after inserting a cartridge, shifting the cartridge from side to side after insertion, pushing the ZIF up and down repeatedly, holding the ZIF down lower than it should have been, cleaning the connectors with alcohol. These attempted solutions often became notable in their own right and are often remembered alongside the NES. Many of the most frequent attempts to fix this problem instead ran the risk of damaging the cartridge and/or system. In 1989, Nintendo released an official NES Cleaning Kit to help users clean malfunctioning cartridges and consoles.

With the release of the top-loading NES-101 (NES 2) toward the end of the NES's lifespan, Nintendo resolved the problems by switching to a standard card edge connector and eliminating the lockout chip. All of the Famicom systems used standard card edge connectors, as did Nintendo’s subsequent game consoles, the Super Nintendo Entertainment System and the Nintendo 64.

In response to these hardware flaws, "Nintendo Authorized Repair Centers" sprang up across the U.S. According to Nintendo, the authorization program was designed to ensure that the machines were properly repaired. Nintendo would ship the necessary replacement parts only to shops that had enrolled in the authorization program. In practice, the authorization process consisted of nothing more than paying a fee to Nintendo for the privilege. In a recent trend, many sites have sprung up to offer Nintendo repair parts, guides, and services that replace those formerly offered by the authorized repair centers.

The NES plastic also had a tendency to yellow over time. Technical specifications Main article: Nintendo Entertainment System technical specifications

For its central processing unit (CPU), the NES uses an 8-bit microprocessor produced by Ricoh based on a MOS Technology 6502 core.

The NES contains 2 kB of onboard work RAM. A game cartridge may contain expanded RAM to increase this amount. The size of NES games varies from 8 kB (Galaxian) to 1 MB (Metal Slader Glory), but 128 to 384 kB was the most common.

The NES uses a custom-made Picture Processing Unit (PPU) developed by Ricoh. All variations of the PPU feature 2 kB of video RAM, 256 bytes of on-die "object attribute memory" (OAM) to store the positions, colors, and tile indices of up to 64 sprites on the screen, and 28 bytes of on-die palette RAM to allow selection of background and sprite colors. The console's 2 kB of onboard RAM may be used for tile maps and attributes on the NES board and 8 kB of tile pattern ROM or RAM may be included on a cartridge. The system has an available color palette of 48 colors and 6 grays. Up to 25 simultaneous colors may be used without writing new values mid-frame: a background color, four sets of three tile colors and four sets of three sprite colors. The NES palette is based on NTSC rather than RGB values. A total of 64 sprites may be displayed onscreen at a given time without reloading sprites mid-screen. The standard display resolution of the NES is 256 horizontal pixels by 240 vertical pixels.

Video output connections varied from one model of the console to the next. The original HVC-001 model of the Family Computer featured only radio frequency (RF) modulator output. When the console was released in North America and Europe, support for composite video through RCA connectors was added in addition to the RF modulator. The HVC-101 model of the Famicom dropped the RF modulator entirely and adopted composite video output via a proprietary 12-pin "multi-out" connector first introduced for the Super Famicom/Super Nintendo Entertainment System. Conversely, the North American re-released NES-101 model most closely resembled the original HVC-001 model Famicom, in that it featured RF modulator output only. Finally, the PlayChoice-10 utilized an inverted RGB video output.

The stock NES supports a total of five sound channels, two of which are pulse channels with 4 pulse width settings, one is a triangle wave generator, another is a noise generator (often used for percussion), and the 5th one plays low-quality digital samples.

The NES supports expansion chips contained in certain cartridges to add sound channels and help with data processing. Developers can add these chips to their games, such as the Konami VRC6, Konami VRC7, Sunsoft 5B, Namco 163, and two more by Nintendo itself: the Nintendo FDS wave generator (a modified Ricoh RP2C33 chip with primitive wavetable support), and the Nintendo Memory Management Controller 5 (MMC5). Further information: Memory management controller Accessories See also: List of Nintendo Entertainment System accessories In addition to featuring a revised color scheme that matched the more subdued tones of the console itself, NES controllers could be unplugged. They nevertheless lacked the microphone featured in Famicom controllers. Controllers

The game controller used for both the NES and the Famicom featured an oblong brick-like design with a simple four button layout: two round buttons labeled "A" and "B", a "START" button and a "SELECT" button. Additionally, the controllers utilized the cross-shaped joypad, designed by Nintendo employee Gunpei Yokoi for Nintendo Game & Watch systems, to replace the bulkier joysticks on earlier gaming consoles’ controllers.

The original model Famicom featured two game controllers, both of which were hardwired to the back of the console. The second controller lacked the START and SELECT buttons, but featured a small microphone. Relatively few games made use of this feature. The earliest produced Famicom units initially had square A and B buttons. This was changed to the circular designs because of the square buttons being caught in the controller casing when pressed down and glitches within the hardware causing the system to freeze occasionally while playing a game.

The NES dropped the hardwired controllers, instead featuring two custom 7-pin ports on the front of the console. Also in contrast to the Famicom, the controllers included with the NES were identical to each other—the second controller lacked the microphone that was present on the Famicom model and possessed the same START and SELECT buttons as the primary controller. Some NES localizations of games, such as The Legend of Zelda, which required the use of the Famicom microphone in order to kill certain enemies, suffered from the lack of hardware to do so. The NES Zapper, a light gun accessory

A number of special controllers designed for use with specific games were released for the system, though very few such devices proved particularly popular. Such devices included, but were not limited to, the Zapper (a light gun), the R.O.B., and the Power Pad. The original Famicom featured a deepened DA-15 expansion port on the front of the unit, which was used to connect most auxiliary devices. On the NES, these special controllers were generally connected to one of the two control ports on the front of the console.

Nintendo also made two turbo controllers for the NES called NES Advantage and the NES Max. Both controllers had a Turbo feature, a feature where one tap of the button represented multiple taps. This feature allowed players to shoot much faster during shooter games. The NES Advantage had two knobs that adjusted the firing rate of the turbo button from quick to Turbo, as well as a "Slow" button that slowed down the game by rapidly pausing the game. The "Slow" button did not work with games that had a pause menu or pause screen and can interfere with jumping and shooting. The NES Max also had the Turbo Feature, but it was not adjustable, in contrast with the Advantage. It also did not have the "Slow" button. Its wing-like shape made it easier to hold than the Advantage and it also improved on the joystick. Turbo features were also featured on the NES Satellite, the NES Four Score, and the U-Force. Other accessories include the Power Pad and the Power Glove, which was featured in the movie "The Wizard."

Near the end of the NES's lifespan, upon the release of the AV Famicom and the top-loading NES 2, the design of the game controllers was modified slightly. Though the original button layout was retained, the redesigned device abandoned the brick shell in favor of a dog bone shape. In addition, the AV Famicom joined its international counterpart and dropped the hardwired controllers in favor of detachable controller ports. However, the controllers included with the Famicom AV had cables which were 90 cm (3 feet) long, as opposed to the standard 180 cm(6 feet) of NES controllers.

In recent years, the original NES controller has become one of the most recognizable symbols of the console. Nintendo has mimicked the look of the controller in several recent products, from promotional merchandise to limited edition versions of the Game Boy Advance.

Japanese accessories[edit] A number of peripheral devices and software packages were released for the Famicom. Few of these devices were ever released outside of Japan.

Family BASIC is an implementation of BASIC for the Famicom that came with a keyboard. Similar in concept to the Atari 2600 BASIC cartridge, it allowed the user to program their own games, which could be saved on an included cassette recorder. Nintendo of America rejected releasing Famicom BASIC in the US because they did not think it fit their primary marketing demographic of children.

The Famicom Modem is a modem that allowed connection to a network which provided content such as financial services, but it was only available in Japan. A modem was, however, tested in the United States, by the Minnesota State Lottery. It would have allowed players to buy scratchcards and play the lottery with their NES. It was not released in the United States because some parents and legislators voiced concern that minors might learn to play the lottery illegally and anonymously, despite assurances from Nintendo to the contrary.

Disk System The Famicom Disk System was a peripheral available only for the Japanese Famicom that used games stored on "Disk Cards" with a 3" Quick Disk mechanism. Main article: Family Computer Disk System

In 1986, Nintendo released the Famicom Disk System (FDS) in Japan, a type of floppy drive that uses a single-sided, proprietary 5 cm (2") disk and plugs into the cartridge port. It contains RAM for the game to load into and an extra wavetable sound chip. The disks were originally obtained from kiosks in malls and other public places where buyers could select a title and have it written to the disk. This process would cost less than cartridges and users could take the disk back to a vending booth and have it rewritten with a new game. The disks were used both for storing the game and saving progress and total capacity was 128k (64k per side). Further information: Famicom disk system § Disk Writer and Disk Fax kiosks

A variety of games for the FDS were released by Nintendo (including some like Super Mario Bros. which had already been released on cartridge) and third party companies such as Konami and Taito. A few unlicensed titles were made as well. However, its limitations became quickly apparent as larger ROM chips were introduced, allowing cartridges with greater than 128k of space. More advanced memory management chips (MMC) soon appeared and the FDS quickly became obsolete. Nintendo also charged developers considerable amounts of money to produce FDS games, and many refused to develop for it, instead continuing to make cartridge titles. Many FDS disks have no dust covers (except in some unlicensed and bootleg variants) and are easily prone to getting dirt on the media. In addition, the drive use a belt which breaks frequently and requires invasive replacement. After only two years, the FDS was discontinued, although vending booths remained in place until 1993 and Nintendo continued to service drives, and to rewrite and offer replacement disks until 2003.

Nintendo of America initially planned to bring the FDS to the United States, but rejected the idea after considering the numerous problems encountered with them in Japan. Many FDS games such as Castlevania, Zelda, and Bubble Bobble were sold in the US as cartridge titles, with simplified sound and the disk save function replaced by passwords or battery save systems. Hardware clones Pirated clones of NES hardware remained in production for many years after the original had been discontinued. Some clones play cartridges from multiple systems, such as this FC Twin that plays NES and SNES games.

A thriving market of unlicensed NES hardware clones emerged during the climax of the console's popularity. Initially, such clones were popular in markets where Nintendo never issued a legitimate version of the console. In particular, the Dendy (Russian: Де́нди), an unlicensed hardware clone produced in Taiwan and sold in the former Soviet Union, emerged as the most popular video game console of its time in that setting and it enjoyed a degree of fame roughly equivalent to that experienced by the NES/Famicom in North America and Japan. A Famicom clone was marketed in Argentina under the name of "Family Game", resembling the original hardware design. The Micro Genius (Simplified Chinese: 小天才) was marketed in Southeast Asia as an alternative to the Famicom; Samurai was the popular PAL alternative to the NES; and in Central Europe, especially Poland, the Pegasus was available. Samurai was also available in India in early 90s which was the first instance of console gaming in India.

The unlicensed clone market has flourished following Nintendo's discontinuation of the NES. Some of the more exotic of these resulting systems have gone beyond the functionality of the original hardware and have included variations such as a portable system with a color LCD (e.g. PocketFami). Others have been produced with certain specialized markets in mind, such as an NES clone that functions as a rather primitive personal computer, which includes a keyboard and basic word processing software. These unauthorized clones have been helped by the invention of the so-called NES-on-a-chip.

As was the case with unlicensed software titles, Nintendo has typically gone to the courts to prohibit the manufacture and sale of unlicensed cloned hardware. Many of the clone vendors have included built-in copies of licensed Nintendo software, which constitutes copyright infringement in most countries.

Although most hardware clones were not produced under license by Nintendo, certain companies were granted licenses to produce NES-compatible devices. The Sharp Corporation produced at least two such clones: the Twin Famicom and the SHARP 19SC111 television. The Twin Famicom was compatible with both Famicom cartridges and Famicom Disk System disks. It was available in two colors (red and black) and used hardwired controllers (as did the original Famicom), but it featured a different case design. The SHARP 19SC111 television was a television which included a built-in Famicom. A similar licensing deal was reached with Hyundai Electronics, who licensed the system under the name Comboy in the South Korean market. This deal with Hyundai was made necessary because of the South Korean government's wide ban on all Japanese "cultural products", which remained in effect until 1998 and ensured that the only way Japanese products could legally enter the South Korean market was through licensing to a third-party (non-Japanese) distributor (see also Japan–Korea disputes).

NES Test Station The NES Test station (Lower Left), SNES counter tester (Lower Right), SNES test cart (Upper Right), And the original TV that came with the unit (Upper Left).

The NES Test Station was a diagnostics machine for the Nintendo Entertainment System introduced in 1988.

It was a NES-based unit designed for testing NES hardware, components and games. It was only provided for use in World of Nintendo boutiques as part of the Nintendo World Class Service program. Visitors were to bring items to test on the station, often with assistance from a technician or store employee.

The NES Test Station features a Game Pak slot and connectors for testing various components (AC adapter, RF switch, Audio/Video cable, NES Control Deck, accessories and games) at the front, with a knob selector in the center to select the component to test. The unit itself weighs approximately 11.7 pounds without the TV. It securely hooks up to the television through both AV Cables and RF Switch in one cable. The user can choose which output to use for gameplay by pressing the RF/AV for Audio/Video Cable connection, or leave it unpressed for RF Switch connection. The television it's hooked up to (normally 11 to 14 inches) is meant to be placed on top of it. On the front edge are three colored button switches: an illuminated red Power switch, a blue Reset switch and a green switch for alternating between AV and RF connections when testing an NES Control Deck. This system can test: Nes test station AC adapter Pass/Fail test demonstration.

Game Paks (When set to this, the test station would run like a normal nes.) Control Deck and Accessories (NES Controllers, the NES Zapper Gun, R.O.B. and Power Pad) AV Cables AC Adapters RF Switches

The testing of the RF, AV, and AC adapters simply displays the selected output's results as either 'Pass' or 'Fail' when plug in to the test station.

There was a manual included with the test station to help the user understand how to use the equipment or to make repairs. This manual came in a black binder with the Nintendo world class service logo on the front. Nintendo ordered the older manuals destroyed when an updated manual was sent out to the repair centers due to these manuals being an in house secret.

Nintendo later provided an add-on in 1991 for testing Super Nintendo components and games, named the Super NES Counter Tester. The SNES counter tester is a standard super Nintendo mounted on a metal fixture with the connection from the back of the SNES rerouted to the front of the unit. These connections were connected directly to the test station or TV depending on what was being tested.


         Nintendo Released their first Console, The NES in August of 1985. But since the video game crash back in 1983, made Nintendo worried that their Unit wasn't going to sell very well. So Nintendo decided that Selling the product in 1 state, Which was New York. was going to be their best bet. After a few turn downs from stores.  Nintendo the New gaming era decide to try out Toys R' Us. Toys R' Us was skeptic about the Idea. But Nintendo said any Units you don't sell we will buy them back. So Toys R' Us bought the system. And Nintendo put in a free game. The Game was Super Mario Bros./ Duck hunt. So people thought that since it came with a free game it should be good to try. For only a hundred dollars, The console started to fly off of stores selfs. But back in 1985 a hundred dollars was a lot to dish out. But people like the ideo of a free game. But it wasn't the free game that made the consumers want it. It was the 8bit graphics and the game play. With getting a high score and a game to beat for the first time. and enemies with different abilities, Made Super Mario a great game... But the NES hardware almost failed. Nintendo came out with many different Designs. until they made a final design. below.

The Nintendo Entertainment System, or NES, is an 8-bit video game console created by Nintendo. Launched in North America, Brazil, Europe, Asia, and Australia as NES, in Japan it's known as the Nintendo Family Computer, or Famicom. When released, the NES was the most successful gaming console of its time claiming to have sold over 60 million consoles worldwide. The game controllers used for the NES featured a brick-like design with a simple yet effective four button layout. In addition, a cross-shaped D-pad was included for easy navigation. The Zapper was considered as one of the most popular special controller released for the NES; however the usage was limited to only a few games. The NES games released included all kinds of genres. Some of the most popular and sought out games included 'Zelda 2: The Adventure of Link', 'Yoshi, Wolverine', 'The Simpsons: Bartman vs. Radioactiveman Teenage Mutant Ninja Turtles', and of course 'Super Mario Bros/ Duck Hunt'. 'Super Mario Bros/ Duck Hunt' could be played with the Zapper. When the player switched on their NES, they could choose from Mario Bros or Duck Hunt. Bartman vs. Radioactiveman was also a very popular game which was based on the popular TV series The Simpsons and was a sequel The Simpsons: Bart vs. The World. Popular companies such as Acclaim, Capcom, Hi Tech, Konami, and Nintendo manufactured hundred of other NES games which were released. A pioneer for other gaming consoles, NES proved to be a very popular addition to the gaming industry.


avs2-1.jpg picture by NintendoBeyond

 

The Keyboard to type and use the console for other stuff. Now the other final picture that Nintendo canned.

avs1-1.jpg picture by NintendoBeyond

It was more like a home computer. with a Tape Storage subsystem. Infrared controller ports. and the Keyboard attachment. Take a look at the other sketches below that did not make the cut.

nes3-1.jpg picture by NintendoBeyond

nes1-1.jpg picture by NintendoBeyond

nes2-1.jpg picture by NintendoBeyond

Nintendo gave the designers a 1hr & 1/12 to come up with this final design. So the designers took out the keyboard and the tape deck and other part of the console that would be like a home computer. here is the blue print.

nes4-1.jpg picture by NintendoBeyond

In the 1992. Nintendo made a redesign of the NES after the SNES came out. The games were inserted in the top. and the controllers look like a bone. but it was cool looking.

nes-2.jpg picture by NintendoBeyond

Now if you compare the 1985 NES controller to the redesign 1992 NES controller it looks a lot different.

NES-NES-Controller.jpg picture by NintendoBeyond

Below is an Image of one of the predesign NES in NP V78

NESProtoypeconcepts-1-1.jpg picture by NintendoBeyond

Note: We at NintendoCosmos DO NOT claim any of this info from Wikipedia as of ours:
 
From Wikipedia, the free encyclopedia
  
Nintendo Entertainment System
Nintendo Family Computer
The Nintendo Entertainment SystemThe Nintendo Family Computer (Famicom)
Manufacturer Nintendo
Type Video game console
Generation Third generation (8-bit era)
First available JP July 15, 1983
US October 18, 1985
CA February 1986
EU September 1, 1986a[›]
EU / AUS 1987a[›]
CPU Ricoh 2A03 8-bit processor (MOS Technology 6502 core)
Media ROM cartridge (“Game Pak”)b[›]
Controller input 2 controller portsc[›]
1 expansion slot
Units sold 61.91 million
Best-selling game Super Mario Bros. (pack-in), 40.23 million (as of 1999)[2]
Super Mario Bros. 3, 18 million (as of May 21, 2003)
Predecessor Color TV Game
Successor Super Nintendo Entertainment System

The Nintendo Entertainment System (often abbreviated as NES or simply Nintendo) is an 8-bit video game console that was released by Nintendo in North America, Europe, and Australia in 1985. In most of Asia, including Japan (where it was first launched in 1983), the Philippines, Taiwan, Vietnam, and Singapore, it was released as the Family Computer (ファミリーコンピュータ Famirī Konpyūta?, also known as the Famicom (ファミコン Famikon (listen )?), or simply FC for short). In Southern Asia (such as India), it was known as the Tata Famicom.

The best-selling gaming console of its time, the NES helped revitalize the US video game industry following the video game crash of 1983, and set the standard for subsequent consoles in everything from game designto controller layout. In addition, with the NES, Nintendo introduced a now-standard business model of software licensing for third-party developers.

 

 History

Main article: History of the Nintendo Entertainment System

Following a series of arcade game successes in the early 1980s, Nintendo made plans to produce a cartridge-based console. Masayuki Uemura designed the system, which was released in Japan on July 15, 1983 for ¥14,800 alongside three ports of Nintendo’s successful arcade games Donkey Kong, Donkey Kong Jr., and Popeye. The Nintendo Family Computer (Famicom) was slow to gather momentum; a bad chip set caused the initial release of the system to crash. Following a product recall and a reissue with a new motherboard, the Famicom’s popularity soared, becoming the best-selling game console in Japan by the end of 1984.

Encouraged by these successes, Nintendo soon turned its attention to the North American market. Nintendo entered into negotiations with Atari to release the Famicom under Atari’s name as the name Nintendo Advanced Video Gaming System; however, this deal eventually fell apart. Subsequent plans to market a Famicom console in North America featuring a keyboard, cassette data recorder, wireless joystick controller, and a special BASIC cartridge under the name "Nintendo Advanced Video System" likewise never materialized.

In June 1985, Nintendo unveiled its American version of the Famicom at the Consumer Electronics Show (CES). It rolled out its first systems to limited American markets on October 18, 1985, following up with a full-fledged North American release of the console in February of the following year. Nintendo simultaneously released eighteen launch titles: 10-Yard Fight, Baseball, Clu Clu Land, Donkey Kong Jr. Math, Duck Hunt, Excitebike, Golf, Gyromite, Hogan’s Alley, Ice Climber, Kung Fu, Mach Rider, Pinball, Stack-Up, Tennis, Wild Gunman, Wrecking Crew, and Super Mario Bros.

In Europe and Australia, the system was released to two separate marketing regions (A and B). Distribution in region B, consisting of most of mainland Europe (excluding Italy), was handled by a number of different companies, with Nintendo responsible for most cartridge releases; most of region B saw a 1986 release. Mattel handled distribution for region A, consisting of the United Kingdom, Ireland, Italy, Australia and New Zealand, starting the following year. Not until 1990 did Nintendo’s newly created European branch take over distribution throughout Europe. Despite the system’s lackluster performance outside of Japan and North America, by 1990 the NES had outsold all previously released consoles World-Wide.

Shortly before ceasing production of the system in North America, Nintendo released a radically redesigned console (known as the AV Family Computer in Japan and the NES 2 in North America) that corrected a number of problems with the original hardware.

As the 1990s dawned, however, renewed competition from technologically superior systems such as the 16-bit Sega Mega Drive (called the Sega Genesis in North America) marked the end of the NES’s dominance. Eclipsed by Nintendo’s own Super Nintendo Entertainment System (SNES), the NES’s user base gradually waned. Nintendo continued to support the system in North America through the first half of the decade, even releasing a new version of the console, the NES 2, to address many of the design flaws in the original NES hardware. The final games released for the system were as follows: in Japan, Adventure Island IV, and, in North America, among unlicensed titles, Sunday Funday was the last, whereas Wario's Woods was the last licensed game (also the only one with an ESRB rating). In the wake of ever decreasing sales and the lack of new software titles, Nintendo of America officially discontinued the NES by 1995. Despite this, Nintendo of Japan kept producing new Nintendo Famicom units up until October 2003, when it discontinued the line. Even as developers ceased production for the NES, a number of high-profile video game franchises and series for the NES were transitioned to newer consoles and remain popular to this day. Nintendo's own Super Mario Bros., The Legend of Zelda, and Metroid franchises debuted on the NES, as did Capcom's Mega Man franchise, Konami's Castlevania franchise, and Squaresoft's (now Square Enix's) Final Fantasy and Dragon Quest franchises.

Nintendo of Japan continued to repair Famicom systems until October 31, 2007, attributing the decision to discontinue support to an increasing shortage of the necessary parts.

 Bundle packages

For its North American release in 1985, the NES was released in two different configurations, or "bundles". The console deck itself was identical, but each bundle was packaged with different game paks and accessories. The first of these sets, the Control Deck, retailed from US$199.99 (equivalent to US$401 today), and included the console itself, two game controllers, and a Super Mario Bros. game cartridge. The second bundle, the Deluxe Set, retailed for US$249.99 (equivalent to US$501 today), and consisted of the console, a R.O.B. accessory, an NES Zapper (electronic gun), and two game paks: Duck Hunt and Gyromite.

For the remainder of the NES's commercial lifespan in North America, Nintendo frequently repackaged the console in new configurations to capitalize on newer accessories or popular game titles. Subsequent bundle packages included the NES Action Set, released in November 1988 for US$149.99 (equivalent to US$273 today), which replaced both of the earlier two sets, and included the console, the NES Zapper, two game controllers, and a multicart version of Super Mario Bros. and Duck Hunt. The Action Set became the most successful of the packages released by Nintendo. One month later, in December 1988, to coincide with the release of the Power Pad floor mat controller, Nintendo released a new Power Set bundle, consisting of the console, the Power Pad, the NES Zapper, two controllers, and a multicart containing Super Mario Bros., Duck Hunt, and World Class Track Meet. In 1990, a Sports Set bundle was released, including the console, an NES Satellite infrared wireless multitap adapter, four game controllers, and a multicart featuring Super Spike V'Ball and Nintendo World Cup.

Two more bundle packages were released using the original model NES console. The Challenge Set included the console, two controllers, and a Super Mario Bros. 3 game pak. The Basic Set, first released in 1987, included only the console and two controllers with no pack-in cartridge. Instead, it contained a book called the The Official Nintendo Player's Guide, which contained detailed information for every NES game made up to that point. Finally, the redesigned NES 2 was released as part of the final Nintendo-released bundle package, once again under the name Control Deck, including the new style NES 2 console, and one redesigned "dogbone" game controller. Released in October 1993, this final bundle retailed for US$49.99 (equivalent to US$75 today), and remained in production until the discontinuation of the NES in 1995.

 Regional differences

The Famicom Disk System was a peripheral available only for the Japanese Famicom that utilized games stored on "Disk Cards", reminiscent of 3" Quick Diskettes.

Although the Japanese Famicom and the international NES included essentially the same hardware, there were certain key differences between the two systems:

  • Different case design. The Famicom featured a top-loading cartridge slot, a 15-pin expansion port located on the unit’s front panel for accessories (as the controllers were hard-wired to the back of the console), and a red and white color scheme. The NES featured a front-loading cartridge slot, and a more subdued gray, black and red color scheme. An expansion port was found on the bottom of the unit, and the cartridge connector pinout was changed.
  • 60-pin vs. 72-pin cartridges. The original Famicom and the re-released AV Family Computer both utilized a 60-pin cartridge design, which resulted in smaller cartridges than the NES, which utilized a 72-pin design. Four pins were used for the 10NES lockout chip. Ten pins were added that connected a cartridge directly to the expansion port on the bottom of the unit. Finally, two pins that allowed cartridges to provide their own sound expansion chips were removed. Many early games (such as Stack-Up) released in North America were simply Famicom cartridges attached to an adapter (such as the T89 Cartridge Converter) to allow them to fit inside the NES hardware. Nintendo did this to reduce costs and inventory by using the same cartridge boards in North America and Japan.
  • A number of peripheral devices and software packages were released for the Famicom. Few of these devices were ever released outside of Japan.
    • Family Basic is an implementation of BASIC for the Famicom. It allowed the user to program their own games. Many programmers got their first experience on programming for the console this way.
    • Famicom MODEM is a modem that allowed connection to a Nintendo server which provided content such as jokes, news (mainly about Nintendo), game tips, and weather reports for Japan; it also allowed a small number of programs to be downloaded. A modem was, however, tested in the United States, by the Minnesota State Lottery. It would have allowed players to buy scratchcards and play the lottery with their NES. It was not released because minors were able to play the lottery illegally and anonymously.
  • External sound chips. The Famicom had two cartridge pins that allowed cartridges to provide external sound enhancements. They were originally intended to facilitate the Famicom Disk System’s external sound chip. These pins were removed from the cartridge port of the NES, and relocated to the bottom expansion port. As a result, individual cartridges could not make use of this functionality, and many NES localizations suffered from inferior sound compared to their equivalent Famicom versions. Castlevania III: Dracula's Curse is a notable example of this problem.
Unlike the NES, the Famicom's controllers were hardwired to the system itself. The 2nd controller eliminated the Start and Select buttons, replacing it with a microphone and a volume control slider.
  • Hardwired controllers. The Famicom’s original design includes hardwired, non-removable controllers. In addition, the second controller featured an internal microphone for use with certain games and lacked SELECT and START buttons. Both the controllers and the microphone were subsequently dropped from the redesigned AV Famicom in favor of the two seven-pin controller ports on the front panel used in the NES from its inception.
  • Lockout circuitry. The Famicom contained no lockout hardware, and, as a result, unlicensed cartridges (both legitimate and bootleg) were extremely common throughout Japan and the Far East. The original NES (but not the top-loading NES 2) contained the 10NES lockout chip, which significantly increased the challenges faced by unlicensed developers. Tinkerers at home in later years discovered that disassembling the NES and cutting the fourth pin of the lockout chip would change the chip’s mode of operation from "lock" to "key", removing all effects and greatly improving the console’s ability to play legal games, as well as bootlegs and converted imports. The European release of the console used a regional lockout system that prevented cartridges released in region A from being played on region B consoles, and vice versa.
  • Audio/video output. The original Famicom featured an RF modulator plug for audio/video output, while the original NES featured both an RF modulator and RCA composite output cables. The AV Famicom featured only RCA composite output, and the top-loading NES 2 featured only RF modulator output. The original North American NES was the first game console to feature direct composite video output so people could hook it up to a stand-alone composite monitor.
  • Third-party cartridge manufacturing. In Japan, six companies, namely Nintendo, Konami, Capcom, Namco, Bandai, and Jaleco, manufactured the cartridges for the Famicom. This allowed these companies to develop their own customized chips designed for specific purposes, such as Konami's VRC 6 and VRC 7 sound chips that increased the quality of sound in their games.

 Game controllers 

Before the 1984 product recall, Famicom controllers were manufactured with square-shaped A and B buttons.

The game controller used for both the NES and the Famicom featured an oblong brick-like design with a simple four button layout: two round buttons labelled "B" and "A", a "START" button, and a "SELECT" button. Additionally, the controllers utilized the cross-shaped D-pad, designed by Nintendo employee Gunpei Yokoi for Nintendo Game & Watch systems, to replace the bulkier joysticks on earlier gaming consoles’ controllers.

The original model Famicom featured two game controllers, both of which were hardwired to the back of the console. The second controller lacked the START and SELECT buttons, but featured a small microphone. Relatively few games made use of this feature. The earliest produced Famicom units initially had square A and B buttons. This was changed to the circular designs because of the square buttons being caught in the controller casing when pressed down, and glitches within the hardware causing the system to freeze occasionally while playing a game.

In addition to featuring a revised color scheme that matched the more subdued tones of the console itself, NES controllers were hot swappable and lacked the microphone featured in Famicom controllers.

The NES dropped the hardwired controllers, instead featuring two custom 7-pin ports on the front of the console. Also in contrast to the Famicom, the controllers included with the NES were identical to each other—the second controller lacked the microphone that was present on the Famicom model, and possessed the same START and SELECT buttons as the primary controller.

Although several specialty controllers were marketed for the NES and the Famicom, few were commercially successful. Support for the Zapper, a light gun accessory, was limited to only 16 game titles.

A number of special controllers designed for use with specific games were released for the system, though very few such devices proved particularly popular. Such devices included, but were not limited to, the NES Zapper (a light gun), the Power Pad, the R.O.B., the LaserScope, the Vaus, and the ill-fated Power Glove. The original Famicom featured a deepened DA-15 expansion port on the front of the unit, which was used to connect most auxiliary devices. On the NES, these special controllers were generally connected to one of the two control ports on the front of the unit.

Near the end of the NES's lifespan, upon the release of the AV Famicom and the top-loading NES 2, the design of the game controllers was modified slightly. Though the original button layout was retained, the redesigned device abandoned the "brick" shell in favor of a "dog bone" shape reminiscent of the controllers of the Super Nintendo Entertainment System. In addition, the AV Famicom joined its international counterpart and dropped the hardwired controllers in favor of detachable controller ports. However, the controllers included with the Famicom AV, despite being the "dog bone" type, had cables which were a short three feet long, as opposed to the standard six feet of NES controllers.

In recent years the original NES controller has become one of the most recognizable symbols of the system. Nintendo has mimicked the look of the controller in several recent products, from promotional merchandise to limited edition versions of the Game Boy Advance SP and Game Boy Micro handheld game consoles.

 Hardware design flaws

The official NES Cleaning Kit was intended to address flaws in the NES design that caused cartridge connectors to be particularly susceptible to interference from dirt and dust.

When Nintendo released the NES in the United States, the design styling was deliberately different from that of other game consoles. Nintendo wanted to distinguish its product from those of competitors, and to avoid the generally poor reputation that game consoles had acquired following the video game crash of 1983. One result of this philosophy was a front-loading zero insertion force (ZIF) cartridge socket designed to resemble the front-loading mechanism of a VCR. The ZIF connector worked quite well when both the connector and the cartridges were clean and the pins on the connector were new. Unfortunately, the ZIF connector was not truly zero insertion force. When a user inserted the cartridge into the NES, the force of pressing the cartridge down and into place bent the contact pins slightly, as well as pressing the cartridge’s ROM board back into the cartridge itself. Repeated insertion and removal of cartridges caused the pins to wear out relatively quickly, and the ZIF design proved far more prone to interference by dirt and dust than an industry-standard card edge connector. Exacerbating the problem was Nintendo’s choice of materials; the slot connector that the cartridge was actually inserted into was highly prone to corrosion. Add-on peripherals like the popular Game Genie cheat cartridge tended to further exacerbate this problem by bending the front-loading mechanism during gameplay. Recently, third-party manufacturers have been producing gold clones of the NES connector piece to replace the existing one and prevent corrosion.

The 10NES authentication chip contributed to the system's reliability problems. The circuit was ultimately removed from the remodeled NES 2.

Problems with the 10NES lockout chip frequently resulted in the system’s most infamous problem: the blinking red power light, in which the system appears to turn itself on and off repeatedly. The lockout chip was quite finicky, requiring precise timing in order to permit the system to boot. Dirty, aging, and bent connectors would often disrupt the timing, resulting in the blink effect. Alternatively, the console would turn on but only show a solid white, gray, or green screen. Users attempted to solve this problem by blowing air onto the cartridge connectors, licking the edge connector, slapping the side of the system after inserting a cartridge, shifting the cartridge from side to side after insertion, pushing the ZIF up and down repeatedly, holding the ZIF down lower than it should have been, and/or cleaning the connectors with alcohol which, observing the back of the cartridge, was not endorsed by Nintendo. Many of the most frequent attempts to fix this problem instead ran the risk of damaging the cartridge and/or system. In 1989, Nintendo released an official NES Cleaning Kit to help users clean malfunctioning cartridges and consoles.

With the release of the top-loading NES 2 toward the end of the NES's lifespan, Nintendo resolved the problems by switching to a standard card edge connector, and eliminating the lockout chip. All of the Famicom systems used standard card edge connectors, as did Nintendo’s subsequent game consoles, the Super Nintendo Entertainment System and the Nintendo 64.

In response to these hardware flaws, "Nintendo Authorized Repair Centers" sprang up across the United States. According to Nintendo, the authorization program was designed to ensure that the machines were properly repaired. Nintendo would ship the necessary replacement parts only to shops that had enrolled in the authorization program. In practice, the authorization process consisted of nothing more than paying a fee to Nintendo for the privilege. In a recent trend, many sites have sprung up to offer Nintendo repair parts, guides and services, that replace those formerly offered by the authorized repair centers.

 Third-party licensing

The Nintendo Seal of Quality was placed on every officially licensed NES cartridge released in North America.

Nintendo’s near monopoly on the home video game market left it with a degree of influence over the industry exceeding even that of Atari during Atari's heyday in the early 1980s. Unlike Atari, which never actively courted third-party developers (and even went to court in an attempt to force Activision to cease production of Atari 2600 games), Nintendo had anticipated and encouraged the involvement of third-party software developers—but strictly on Nintendo’s terms. To this end, a 10NES authentication chip was placed in every console, and another was placed in every officially licensed cartridge. If the console's chip could not detect a counterpart chip inside the cartridge, the game would not load. Because Nintendo controlled the production of all cartridges, it was able to enforce strict rules on its third-party developers. Third-party developers were also asked to sign a contract by Nintendo that would obligate these parties to develop exclusively for the system. These extremely restricted production runs would end up damaging several smaller software developers: even if demand for their games was high, they could only produce as much profit as Nintendo allowed.

 Unlicensed games

Unlicensed games, such as Wisdom Tree’s Bible Adventures, were often released in cartridges which looked very different from typical NES game packs.

Several companies, refusing to pay the licensing fee or having been rejected by Nintendo, found ways to circumvent the console's authentication system. Most of these companies created circuits that used a voltage spike to temporarily disable the 10NES chip in the NES. A few unlicensed games released in Europe and Australia came in the form of a dongle that would be connected to a licensed game, in order to use the licensed game’s 10NES chip for authentication.

Atari Games created a line of NES products under the name Tengen, and took a different approach. Afraid of damaging NES units and being liable for it by using the voltage spike technique, the company attempted to reverse engineer the lockout chip to develop its own "Rabbit" chip. However, Tengen also obtained a description of the lockout chip from the United States Patent and Trademark Office by falsely claiming that it was required to defend against present infringement claims in a legal case. Nintendo sued Tengen for copyright infringement, which Tengen lost as it could not prove that the illegally obtained patent documents had not been used by the reverse engineering team. Tengen's antitrust claims against Nintendo were never finally decided.

Following the introduction of the Sega Mega Drive (Sega Genesis in North America), Nintendo began to face real competition in the industry, and in the early 1990s was forced to reevaluate its stance towards its developers, many of whom had begun to defect to other systems. When the console was reissued as the NES 2, the 10NES chip was omitted from the console, marking the end of Nintendo’s most notorious hold over its third-party developers.

Pirated clones of NES hardware remained in production for many years after the original had been discontinued. Such devices were frequently built to superficially resemble younger consoles, such as the PlayStation.

 Hardware clones

Main article: Nintendo Entertainment System hardware clone

A thriving market of unlicensed NES hardware clones emerged during the heyday of the console’s popularity. Initially, such clones were popular in markets where Nintendo never issued a legitimate version of the system. In particular, the Dendy (Russian: Де́нди), an unlicensed hardware clone produced in Russia and other nations of the former Soviet Union, emerged as the most popular video game console of its time in that setting, and it enjoyed a degree of fame roughly equivalent to that experienced by the NES/Famicom in North America and Japan. The Micro Genius (Simplified Chinese: 小天才) was marketed in Southeast Asia as an alternative to the Famicom, Samurai was the popular PAL alternative to the NES and in Eastern Europe, especially Poland, the Pegasus was available.

The unlicensed clone market has persisted, and even flourished, following Nintendo’s discontinuation of the NES. Some of the more exotic of these resulting systems have gone beyond the functionality of the original hardware, and have included variations such as a portable system with a color LCD (e.g. Pocket Famicom). Others have been produced with certain specialized markets in mind, including various "educational computer packages" which include copies of some of the NES’s educational titles and come complete with a clone of the Famicom BASIC keyboard, transforming the system into a rather primitive personal computer. These unauthorized clones have been helped by the invention of the so called NES-on-a-chip or NoaC.

As was the case with unlicensed software titles, Nintendo has typically gone to the courts to prohibit the manufacture and sale of unlicensed cloned hardware. Many of the clone vendors have included built-in copies of licensed Nintendo software, which constitutes copyright infringement in most countries. As recently as 2004, Nintendo of America has filed suits against manufacturers of the Power Player Super Joy III, an NES clone system that had been sold in North America, Europe, and Australia.

Although most hardware clones were not produced under license by Nintendo, certain companies were granted licenses to produce NES-compatible devices. The Sharp Corporation produced at least two such clones: the Twin Famicom and the SHARP 19SC111 television. The Twin Famicom was compatible with both Famicom cartridges and Famicom Disk System disks. It was available in two colors (red and black) and used hardwired controllers (as did the original Famicom), but it featured a different case design. The SHARP 19SC111 television was a television which included a built-in Famicom. A similar licensing deal was reached with Hyundai Electronics, who manufactured the system under the name Comboy in the South Korean market. This deal with Hyundai was made necessary because of the South Korean government's wide ban on all Japanese "cultural products," which remained in effect until 1998 and ensured that the only way Japanese products could legally enter the South Korean market was through licensing to a third-party (non-Japanese) distributor (see also Korean-Japanese disputes).

 Technical specifications

 Original chassis/casing

The original Japanese Famicom was predominantly white plastic, with dark red trim. It featured a top-loading cartridge slot, and grooves on both sides of the deck in which the hardwired game controllers could be placed when not in use.

The original version of the North American NES used a radically different design. The NES's color scheme was two different shades of gray, with black trim. The top-loading cartridge slot was replaced with a front-loading mechanism. The slot is covered by a small, hinged door that can be opened to insert or remove a cartridge, and closed at other times. The dimensions of this model are 10" width by 8" length by 3.5" height. When opened, the cartridge slot door adds an additional 1" height to the unit. Due to its bulky, square design and slot-loading functionality, the original NES chassis is often referred to as the "Toaster."

 NES 2

The remodeled NES 2, known commonly as the "Top Loader", uses the same basic color scheme, although there are several subtle differences. The power switch is colored a bright red and slides into the on and off position, similar to the SNES, instead of the original push-button. Also, there is no LED power indicator on the unit. Like the original Famicom, it uses a top-loading cartridge slot. The NES was redesigned after the (also top loading) SNES, and indeed they share many of the same design cues. The NES 2 is considerably more compact than the original model, measuring 6" by 7" by 1.5". The streamlining of the design and chipset in the Top Loader made it arguably more reliable than the original NES models, although there was a tradeoff in connectivity and picture quality: the Top Loader offered only RF outputs instead of the RF and RCA (mono) outputs offered on the original.

 Cartridges

North American cartridges (or "Game Paks," pictured) were significantly longer than their Japanese counterparts, but were not as wide.

All officially licensed North American (NTSC) and European (PAL) cartridges, or "carts", are 5.5" long by 4.1" wide. Originally, NES carts were held together with 5 small, slotted screws. Later games (post-1987) were redesigned slightly to incorporate two plastic clips molded into the plastic itself, eliminating the need for the top two screws. This is why older NES carts are referred to as "5-screw", and are distinguishable by their flat tops and, as the name suggests, five screws instead of three. Around this time, the standard screws were changed to a 3.8mm security screws to further secure the ROMs inside from tampering. The back of the cartridge bears a label with instructions on handling. These labels were gray for standard games and gold (or in rare cases silver) for games that featured battery backup. With the exception of The Legend of Zelda and Zelda II: The Adventure of Link which were available in gold-plastic carts, all NTSC and PAL cartridges were a standard shade of gray plastic. Nintendo also produced yellow-plastic carts for internal use at Nintendo Service Centers, although these "test carts" were never made available for purchase by consumers.

Japanese (Famicom) cartridges are shaped slightly differently, measuring only 3" in length, but 5.3" in width. While the NES used at 72-pin interface, the Famicom system used a 60-pin design. Some early NES games (most commonly Gyromite were actually 60-pin Famicom PCBs and ROMs with a built-in converter. Unlike NES games, official Famicom carts were produced in many colors of plastic.

 Central processing unit

Versions of the NES console released in PAL regions incorporated a Ricoh 2A07 CPU.

For its central processing unit (CPU), the NES uses an 8-bit microprocessor produced by Ricoh based on a MOS Technology 6502 core. It incorporates custom sound hardware and a restricted DMA controller on-die. NTSC (North America and Japan) versions of the console use the Ricoh 2A03 (or RP2A03), which runs at 1.79 MHz. PAL (Europe and Australia) versions of console utilize the Ricoh 2A07 (or RP2A07), which is identical to the 2A03 save for the fact that it runs at a slower 1.66 MHz clock rate and has its sound hardware adjusted accordingly.

 Memory

The NES contains 2 KB (2��10 bytes) of onboard random access memory (RAM). A game cartridge may contain expanded RAM to increase this amount. The system supports up to 49,128 bytes (just shy of 48 KB) for read-only memory (ROM), expanded RAM, and cartridge input/output. The process of bank switching can increase this amount by orders of magnitude.

 Video

The NES utilizes a custom-made picture processing unit (PPU) developed by Ricoh. The version of the processor used in NTSC models of the console, named the RP2C02, operates at 5.37 MHz, while the version used in PAL models, named the RP2C07, operates at 5.32 MHz. Both the RP2C02 and RP2C07 output composite video. Special versions of the NES's hardware designed for use in video arcades use other variations of the PPU. The PlayChoice-10 uses the RP2C03, which runs at 5.37 MHz and outputs RGB video at NTSC frequencies. Two different variations were used for Nintendo Vs. Series hardware: the RP2C04 and the RP2C05. Both of these operate at 5.37 MHz and output RGB video at NTSC frequencies. Additionally, both utilize irregular palettes to prevent easy ROM swapping of games. All variations of this PPU feature 256 bytes of on-die sprite position / attributable RAM ("OAM") and 28 bytes of on-die palette RAM to allow selection of background and sprite colors. This memory is stored on separate buses internal to the PPU. The console's 2 KB of onboard RAM may be used for tile maps and attributes on the NES board, and 8 KB(8 ×��10 bytes) of tile pattern ROM or RAM may be included on a cartridge. Using bank switching, virtually any amount of additional cartridge memory can be used, limited only by manufacturing costs.

The system has an available color palette of 48 colors and 5 grays. Red, green, and blue can be individually darkened at specific screen regions using carefully timed code. Up to 25 colors may be used on one scanline: a background color, four sets of three tile colors, and four sets of three sprite colors. This total does not include color de-emphasis.

A total of 64 sprites may be displayed onscreen at a given time without reloading sprites mid-screen. Sprites may be either 8 pixels by 8 pixels, or 8 pixels by 16 pixels, although the choice must be made globally and it affects all sprites. Up to eight sprites may be present on one scanline, using a flag to indicate when additional sprites are to be dropped. This flag allows the software to rotate sprite priorities, increasing maximum amount of sprites, but typically causing flicker.

The PPU allows only one scrolling layer, though horizontal scrolling can be changed on a per-scanline basis. More advanced programming methods enable the same to be done for vertical scrolling.The standard display resolution of the NES is 256 horizontal pixels by 240 vertical pixels. Typically, games designed for NTSC-based systems had an effective resolution of only 256 by 224 pixels, as the top and bottom 8 scanlines are not visible on most television sets. For additional video memory bandwidth, it was possible to turn off the screen before the raster reached the very bottom.

Video output connections varied from one model of the console to the next. The original Japanese Famicom featured only radio frequency (RF) modulator output. When the console was released in North America and Europe, support for composite video through RCA connectors was added in addition to the RF modulator. The AV Famicom dropped the RF modulator entirely and adopted composite video output via a proprietary 12-pin "multi-out" connector first introduced for the Super Famicom / Super Nintendo Entertainment System. Conversely, the North American re-released NES 2 most closely resembled the original model Famicom, in that it featured RF modulator output only. Finally, the PlayChoice-10 utilized an inverted RGB video output.

 Audio

The NES board supported a total of five sound channels. These included two pulse wave channels of variable duty cycle (12.5%, 25%, 50%, and 75%), with a volume control of sixteen levels, and hardware pitch bending supporting frequencies ranging from 54 Hz to 28 kHz. Additional channels included one fixed-volume triangle wave channel supporting frequencies from 27 Hz to 56 kHz, one sixteen-volume level white noise channel supporting two modes (by adjusting inputs on a linear feedback shift register) at sixteen preprogrammed frequencies, and one delta pulse-width modulation channel with six bits of range, using 1-bit delta encoding at sixteen preprogrammed sample rates from 4.2 kHz to 33.5 kHz. This final channel was also capable of playing standard pulse-code modulation (PCM) sound by writing individual 7-bit values at timed intervals.

 Notes

^ a: For distribution purposes, Europe and Australasia were divided into two regions by Nintendo. The first of these regions consisted of France, the Netherlands, West Germany, Norway, Denmark and Sweden, and saw the NES released during 1986. The console was released in the second region, consisting of the United Kingdom, Republic of Ireland, and Italy, as well as Australia, and New Zealand, the following year.
^ b: In Japan, Nintendo sold an optional expansion peripheral for the Famicom, called the Famicom Disk System, which would enable the console to run software from proprietary floppy disks.
^ c: The original Famicom included no dedicated controller ports. See game controllers section.
^ e: The NES was the overall best-selling system worldwide, with dominant sales in Asia and North America; though in Europe, the NES lagged in market and retail penetration behind the Sega Master System. Nintendo sold 61.9 million NES units worldwide: 19.35 million in Japan, 34 million in the Americas, and 8.5 million in other regions.[1]
^ f: The commonly-bundled game Super Mario Bros. popularized the platform game genre, and introduced elements that would be copied in many subsequent games
^ g: The D-pad refinements used in the NES controller would be incorporated in nearly every major console to follow,[43] and garnered Nintendo a Technology & Engineering Emmy Award).
^ h: Atari broke off negotiations with Nintendo in response to Coleco's unveiling of an unlicensed port of Donkey Kong for its Coleco Adam computer system. Although the game had been produced without Nintendo’s permission or support, Atari took its release as a sign that Nintendo was dealing with one of its major competitors in the market.

 


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