15-pin video connector / From Wikipedia, the free encyclopedia
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The Video Graphics Array (VGA) connector is a standard connector used for computer video output. Originating with the 1987 IBM PS/2 and its VGA graphics system, the 15-pin connector went on to become ubiquitous on PCs, as well as many monitors, projectors and high-definition television sets.
|Type||Computer analog video connector|
|Designer||IBM based on D-subminiature|
|Superseded by||DVI (1999)|
|Video signal||RGB video signal plus option H and V sync|
|Data signal||I²C data channel for DDC information|
|A female DE15 socket|
|Pin 1||RED||Red video|
|Pin 2||GREEN||Green video|
|Pin 3||BLUE||Blue video|
|Pin 4||ID2/RES||Reserved since E-DDC, formerly monitor id. bit 2|
|Pin 5||GND||Ground (HSync)|
|Pin 6||RED_RTN||Red return|
|Pin 7||GREEN_RTN||Green return|
|Pin 8||BLUE_RTN||Blue return|
|Pin 9||KEY/PWR||+5 V DC (powers EDID EEPROM chip on some monitors), formerly key|
|Pin 10||GND||Ground (VSync, DDC)|
|Pin 11||ID0/RES||Reserved since E-DDC, formerly monitor id. bit 0|
|Pin 12||ID1/SDA||I²C data since DDC2, formerly monitor id. bit 1|
|Pin 13||HSync||Horizontal sync|
|Pin 14||VSync||Vertical sync|
|Pin 15||ID3/SCL||I²C clock since DDC2, formerly monitor id. bit 3|
|The image and table detail the 15-pin VESA DDC2/E-DDC connector; the diagram's pin numbering is that of a female connector functioning as the graphics adapter output. In the male connector, this pin numbering corresponds with the cable's wire-and-solder side.|
Other connectors have been used to carry VGA-compatible signals, such as mini-VGA or BNC, but "VGA connector" typically refers to this design.
Devices continue to be manufactured with VGA connectors, although newer digital interfaces such as DVI, HDMI and DisplayPort are increasingly displacing VGA, and many modern computers and other devices do not include it.