Micro-DVI

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Micro-DVI
Apple-MacBook-Air-Ports.jpg
From left to right: Headphone, USB and Micro-DVI ports on a MacBook Air
Type Digital video connector
Designer Apple Inc.
Superseded by Mini DisplayPort
Pins 34
Pin 1 +5V
Pin 2 Ground
Pin 3 Data 2+
Pin 4 Data 2-
Pin 5 Ground
Pin 6 Data 1+
Pin 7 Data 1-
Pin 8 Ground
Pin 9 Clock+
Pin 10 Clock-
Pin 11 Ground
Pin 12 Data 0+
Pin 13 Data 0-
Pin 14 Ground
Pin 15 DDC clock
Pin 16 DDC data
Pin 17 Reserved
Pin 18 Detect
Pin 19 Ground
Pin 20 NC
Pin 21 Analog red
Pin 22 NC
Pin 23 Ground
Pin 24 NC
Pin 25 Analog green
Pin 26 NC
Pin 27 Ground
Pin 28 NC
Pin 29 Analog blue
Pin 30 NC
Pin 31 Ground
Pin 32 Analog horizontal sync
Pin 33 Analog vertical sync
Pin 34 Reserved
Pins 1-17, ordered from left to right, are on the top side of the female connector. Pins 18-34, ordered from left to right, are on the bottom side.

The Micro-DVI port is a proprietary video output port found in the original MacBook Air. It is smaller than the Mini-DVI port used by its MacBook models.

To use the port for displaying video on a standard monitor or television, an adapter must be used. Both a Micro-DVI to DVI adapter and a Micro-DVI to VGA adapter were bundled with the original MacBook Air. A Micro-DVI to Video adapter, which provided composite and S-video outputs, was also sold separately. The Micro-DVI to DVI adapter is only compatible with a DVI-D (digital) signal; DVI-A and DVI-I signals do not work as they do not have the required analog connections.

The Micro-DVI connector was replaced with the Mini DisplayPort connector starting with the Late 2008 MacBook Air.

Additionally, the Asus U2E subnotebook includes a "Micro-DVI" port.

Although it is physically and electrically compatible with HDMI, it does not provide audio output.

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