Audio-out (headphone)
Pin
1
2
3
External monitor
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Signal
Audio out, left channel
Audio out, right channel
Ground
Signal
Red analog
Green analog
Blue analog
Not connected
Ground
Ground analog
Ground analog
Ground analog
+5 VDC
Ground
Monitor detect
DDC 2B data
Horizontal sync
Vertical sync
DDC 2B clock
Audio-out (headphone) 139