HP EliteBook 8740W - Audio-Out (Headphone); Displayport

Audio-out (headphone)
Pin Signal
1 Audio out, left channel
2 Audio out, right channel
3 Ground
DisplayPort
Pin Signal
1 ML_lane 0 (positive)
2 Ground
3 Lane 0 (negative)
4 Lane 1 (positive)
5 Ground
6 Lane 1 (negative)
7 Lane 2 (positive)
8 Ground
9 Lane 2 (negative)
10 Lane 3 (positive)
11 Ground
12 Lane 3 (negative)
13 Connectecd to ground
14 Connected to ground
15 Auxiliary channel (positive)
144 Chapter 8 Connector pin assignments
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