All items originally marketed by Mattel Toys or Mattel Electronics except where noted.
$300 $600 $300 $70 $150 $170 (ECS module plus computer keyboard; music keyboard extra) No price set No price set No price set $70 No price set
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Intellivision Master Component
General Instruments 16-bit 1 Mhz 1610 microprocessor; 4K internal ROM operating system; 2K RAM; two hand controllers with 12 button keypad, 4 action keys, 16-direction disc; 159 by 96 pixel background resolution; 16 colors; 8 moving objects; three-channel music generator; plays external ROM game cartridges
Included Las Vegas Poker & Blackjack cartridge (later Astrosmash); also marketed through Radio Shack as the Tandyvision One and through GTE Phone Stores as the GTE Intellivision, both with slightly different styling; PAL and SECAM versions released in Europe
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Intellivision Keyboard Component
Works with Intellivision Master Component: adds 8-bit 6502 microprocessor, 16K RAM expandable to 8 Meg, full keyboard, digitally controlled cassette drive for both data and audio content, expansion ports, printer port
Printer available by mail order; only 4,000 Keyboard Components were made; all sold were recalled for full refund; owners who wanted to keep theirs had to sign waiver absolving Mattel of all future support for the component
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Tele-Games Super Video Arcade Console
Plays same game cartridges as Intellivision; removable hand controllers; default title screen does not display "Mattel Electronics presents"
Manufactured by Mattel for sale exclusively through Sears Department Stores; included Poker & Blackjack cartridge
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PlayCable module
Plug-in module rented from local cable company allowed Intellivision games to be downloaded over TV cable
Available in limited areas
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Intellivoice module
Plug-in speech-synthesis unit adds voices to special Intellivoice cartridges
Poor sales led to promotional giveaway: a free Intellivoice by mail when you purchased a Master Component
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Intellivision II Master Component
Replaced original Intellivision in US; plays same game cartridges (with a few exceptions); removable hand controllers; compatible with System Changer; 1610 processor
Price dropped to $70 (plus coupon for free BurgerTime cartridge) by end of 1983; high-quality trigger-joystick controllers (to be sold separately) were announced for 1983 introduction but were never released
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System Changer module
Plug-in module allows Atari 2600 cartridges to be played on Intellivision II
Allowed Mattel to advertise that Intellivision played more game cartridges than any other system
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Entertainment Computer System (ECS)
Officially replaced Keyboard Component; plug-in module adds memory and additional 3 music channels to Intellivision, cassette tape and printer ports, plus allows the addition of (1) a computer keyboard, (2) a music keyboard, or (3) two additional hand controllers; special cartridges were released that use the ECS features and capabilities
Only one cartridge was released that used the music keyboard (Melody Blaster); no cartridges were released that used additional hand controllers; ECS components were molded in gray plastic for North American market; brown plastic for European market
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International Intellivoice module
Designed to replace the original Intellivoice, allowed Intellivoice games to be produced in English, French, Italian and German
French, Italian and German versions of Space Spartans were completed but never released
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Intellivision III Master Component
Rushed into development to compete with ColecoVision; would play new high-resolution (320 by 192 pixel) games as well as original Intellivision cartridges; 6 channel stereo music generator; built-in Intellivoice; wireless hand controllers; 1610 processor
Briefly revived in 1987 when INTV Corp. announced it as the forthcoming "INTV System IV"; still never released
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Intellivision IV Master Component
Built-in 3-D graphics, 240 by 192 pixel resolution, music and speech synthesis, built-in modem for two-person games played over phone lines; powered by Motorola 68000 microprocessor
Originally planned to be the Intellivision III, was bumped up to IV when the III was put into development to compete with ColecoVision
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INTV System III Master Component
Replaced Intellivision II, design based on original Intellivision with addition of on/off power light, slightly different styling; plays all Intellivision cartridges, compatible with Intellivoice and ECS, but not System Changer.
Sold through large chain stores and mail order by INTV Corp.; later renamed and repackaged as the Super Pro System and as simply the Intellivision Master System
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Tutorvision Educational Video Game System
Modified INTV System III: molded in gold plastic; different onscreen font set
Joint project between INTV Corp. and World Book Encyclopedia to produce educational video games; project ended with each party suing the other
