HP ProBook 4420s - Hdmi

HDMI
Pin Signal
1 Transition minimized differential signal (TMDS) data 2+
2 TMDS data 2 shield
3 TMDS data 2–
4 TMDS data 1+
5 TMDS data 1 shield
6 TMDS data 1–
7 TMDS data 0+
8 TMDS data 0 shield
9 TMDS data 0–
10 TMDS clock+
11 TMDS clock shield
12 TMDS clock-
13 Consumer electronic control (CEC)
14 Not connected
15 DDC clock
16 DDC data
17 Ground
18 +5V power
19 Hot plug detect
150 Chapter 8 Connector pin assignments