Pinouts >  VGA, DVI, S-Video and other video connectors
20 pin DisplayPort plug connector layout
20 pin DisplayPort plug connector
DisplayPort is a digital display interface.

DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to transmit audio, USB, and other forms of data.


Pin Number

Transmitting end

Receiving end

Pin Name Description Pin Name Description
1 ML_Lane 0 (p) Lane 0 (positive) ML_Lane 3 (n) Lane 3 (negative)
2 GND Ground
3 ML_Lane 0 (n) Lane 0 (negative) ML_Lane 3 (p) Lane 3 (positive)
4 ML_Lane 1 (p) Lane 1 (positive) ML_Lane 2 (n) Lane 2 (negative)
5 GND Ground
6 ML_Lane 1 (n) Lane 1 (negative) ML_Lane 2 (p) Lane 2 (positive)
7 ML_Lane 2 (p) Lane 2 (positive) ML_Lane 1 (n) Lane 1 (negative)
8 GND Ground
9 ML_Lane 2 (n) Lane 2 (negative) ML_Lane 1 (p) Lane 1 (positive)
10 ML_Lane 3 (p) Lane 3 (positive) ML_Lane 0 (n) Lane 0 (negative)
11 GND Ground
12 ML_Lane 3 (n) Lane 3 (negative) ML_Lane 0 (p) Lane 0 (positive)
13 CONFIG1 connected to Ground.  Pins 13 and 14 may either be
directly connected to ground or connected to
ground through a pulldown device. 
14 CONFIG2 connected to Ground
15 AUX CH (p) Auxiliary Channel (positive)
16 GND Ground
17 AUX CH (n) Auxiliary Channel (negative)
18 Hot Plug Hot Plug Detect
19 Return Return for Power
20 DP_PWR Power for connector (3.3 V 500 mA)


In the standard male-to-male DisplayPort cable, the four main differential pairs *and their polarities* are flipped (Lanes 0 <-> 3, Lanes 1 <-> 2, and all (P) <-> (N)). In other words, the first 12 pins on either end of the cable are in reversed order with respect to the other connector; the remaining 8 pins go straight through as usual.

Dual-mode DisplayPort can directly emit single-link HDMI and DVI signals using a simple passive adapter that adjusts for the lower voltages required by DisplayPort. When dual-mode chipset detects that a DVI or HDMI passive adapter is attached, it switches to DVI/HDMI mode which uses the 4-lane main DisplayPort link and the AUX channel link to transmit 3 TMDS signals, a clock signal and Display Data Channel data/clock. Dual-mode ports are marked with the DP++ logo; most current DisplayPort graphics cards and monitors offer this mode.

A notable limitation is that dual-mode can only transmit single-link DVI/HDMI, as the number of pins in the DisplayPort connector is insufficient for dual-link connections; an active converter is needed for Dual-Link DVI (and analog component video such as VGA, since it employs digital to analog conversion). Active conversion can be powered by +3.3 V wire in the DisplayPort connector, but some active adapters require external power.

According to 4 reports in our database (3 positive and 1 negative) the DisplayPort pinout should be correct.

Is this pinout
DisplayPort visual pinout:click to enlarge
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