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|name = [[Image:Megadrive_logo.png|230px]][[Image:Genesis-logo-16bit.jpg|230px]]|image = [[Image:Genesis_system.jpg|230px]]
! | scope="col"|Processor:! | scope="col"|Motorola 68000 16/32-bit processor @ 7.67 MHz
*[[Sega 32X]]
*[[Sega CD]]
→Sega CD: Fixed header.
{{Emulation|[[emulation:Sega Genesis emulators|Sega Genesis emulators]]}}
{{Template:Infobox console
|caption = Sega Genesis model 1
|Manufacturer = [[SEGA]]
|Generation = [[:Category:Fourth_generation|Fourth generation]]
|Release date = October 29, 1988 (JP)<br>
August 14, 1989 (NA) <br>
November 30, 1990 (PAL)
|Media type = ROM cartridge
|Input Controller controller = 2 controller ports
|Predecessor = [[Sega Master System]]
|Successor = [[Sega Saturn]]}} The '''Sega Genesis ''' is a home video game console released on October 29, 1988 by [[SEGA|Sega ]] as the Mega Drive (メガドライブ Mega Doraibu), the name it is known as outside North America. The reason for the two names is that Sega was unable to secure legal rights to the Mega Drive name in North America. As a fourth-generation console, the Sega Genesis is Sega's third console and the successor to the [[Sega Master System ]] with which it has backward compatibility when the separately sold Power Base Converter is installed.
The Sega Genesis was the first of its generation to achieve notable market share in continental Europe and North Americawith an initial MSRP of {{Inflation|USD|299.99|1993}}, where it competed against a wide range of platforms, including both dedicated gaming consoles and home computer systems. Two years later, [[Nintendo ]] released the [[Super Nintendo Entertainment System]], and the competition between the two would dominate the 16-bit era of video gaming. The console began production in Japan in 1988 and ended with the last new licensed game being released in 2002 in Brazil.
==Technical specifications==
{| border="0" cellpadding="1" cellspacing="1" class="article-table article-table-selected" style="width: 500px;"
|-
|-
|Co-processor:
|}
==Hardwarevariations==
Over its lifetime, the Genesis came in three different models, each of which had several motherboard revisions. For more details, see [[Sega Genesis Hardware]].
<br />
===VariationsSega CD combo units===
They consisted of a Mega Drive/Genesis with the [[Sega CD|Mega-CD]] addon.
*[http://retroconsoles.wikia.com/wiki/Sega_CDX/Multi-Mega Sega CDX/Multi-Mega]
*Victor Wondermega RG M2
*JVC Wondermega Model RG M2
::A second model (Japan exclusive as the first) with a different case design and wireless controller functionality built in. The mechanized CD tray was omitted in favor of a more conventional spring-loaded tray design. Otherwise, functionally identical to the Wondermega I. This model was stripped down released in the US as the JVC X'Eye.)
*[[Pioneer LaserActive]] used an add-on module consisting in a Mega Drive/CD combo.
==Power supply==
===Model 1 US===
There are a few different types of power supplies for the model 1. The important distinction is the output voltage: some provide 9V, others 10V. Beyond that, they differ by input wattage, which does not matter to the functionality of the console and only affets power consumption. Check the voltage rating printed on the bottom of the model 1 for the correct voltage before using a power supply you find in the wild.
{| class="mw-collapsible mw-collapsed wikitable" style="width: 500px;"
! colspan=2 width="250"|Power specifications
|-
|width="15%"|'''Model''' || 1602
|-
|Input || 120V AC 60Hz 35W (or 17W)
|-
|Output || 9V DC 1.2A
|-
|Polarity || Outside: +<br />Inside: -
|-
|'''Model''' || 1602-1
|-
|Input || 120V AC 60Hz 20W
|-
|Output || 10V DC 1.2A
|-
|Polarity || Outside: +<br />Inside: -
|}
<gallery position="center">
Genesis-model1-ps-front.jpg|1602 (35W) label side
Genesis-model1-ps-back.jpg|1602 (35W) plug side
Genesis_model1_different_power_supplies.jpg|1602 (17W) and 1602-1
</gallery>
===Model 2 US===
{| class="mw-collapsible mw-collapsed wikitable" style="width: 500px;"
! colspan=2 width="250"|Power specifications
|-
|width="15%"|Input || 120V AC 60Hz 15W
|-
|Output || 10V DC 0.85A
|-
|Polarity || Outside: -<br />Inside: +
|}
<gallery position="center">
Sega Genesis model 2 MK-2103 10V power supply 01.jpg
Sega Genesis model 2 MK-2103 10V power supply 02.jpg
</gallery>
==Add-ons==
===Sega CD==={{main|Sega CD}}The Sega CD (Mega CD outside of the US) is an add-on for the Sega Genesis that plays audio CDs and an exclusive line of games on CDs. ===Sega 32X==={{main|Sega 32X}}--- ===Power Base Converter===*The '''Power Base Converter''' adds compatibility with both cartridge and card-based games on the Sega Master System in an add-on that also adds compatibility with the 3-D Glasses through a port in the front. Master System or Genesis controllers may be used for gameplay, as they share the same type of input jack. Both North American and Japanese versions are designed to only fit the Model 1, while an additional version fitting the Model 2 Mega Drive was released in Europe. ==See Alsoalso==
*[[Sega Genesis Cartridge]]
*[[Sega Genesis Hardware]]
*[[Sega Genesis II Teardown|Sega Genesis Teardown]]
[[Category:Sega Genesis]]
[[Category:Console]]
[[Category:Fourth generation]]
