Dreamcast VGA
The Dreamcast VGA Box is an accessory for the Dreamcast, a video game console produced by Sega, that allows it to output to a computer monitor or a high-definition television (HDTV) set through a VGA connector in 480p, otherwise known as progressive scan.[1][2] The Dreamcast was one of the first consoles to support 480p and HDTV in general.[3][4] Sega released the VGA Box as an official accessory in Japan on January 14, 1999, at an MSRP of ¥7000;[5] it was only available in the United States via Sega's online store, retailing between $30 and $50.[6]Template:Efn Though the VGA Box did not receive a release in Europe,[7][8] PAL consoles can use it since it has no regional lockout.[9]
The official VGA Box includes a VGA connector for video output and a headphone jack for stereo audio output; it also includes an S-Video connector and RCA connectors[10] for composite video and stereo audio.[11][12] Most third-party versions are functionally identical to Sega's model,[13][14] but some designs like Performance's add features such as VGA passthrough.[12][15]
Most Dreamcast games are compatible with the VGA Box so long as they display in 640×480; this applies to most 3D titles.[16][17] Games marked as incompatible typically present an error message upon boot;[11] such a designation was determined via a simple toggle switch in the game's code.[16] As such, VGA output from most incompatible games can be forced via having the VGA Box unplugged while booting a game,[18][19] temporarily switching the VGA Box into TV mode while booting a game,[13] or using a boot disc such as DC-X.[20] This loophole is not possible for games that only display in lower resolutions, with most sprite-based games rendered fully incompatible with VGA output as a result.[16][21] Though a handful of sprite-based games supported VGA, most notably ones from Capcom, at least some, if not all of their sprites were originally designed for lower-resolution displays and may resultingly appear less detailed when displayed through VGA due to poor image scaling.[16][22]
See also
References
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Notes
External links
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