Acer AL2023 Service Manual page 48

DVI-D connector
The PIN assignment of the 24 pin DVI-D connector / cable is as follows:
PIN Signal
1 TMDS data2-
2 TMDS data2+
3 TMDS data2 shield
4 NC
5 NC
6 DDC clock
7 DDC data
8 Not connected
9 TMDS data1-
10 TMDS data1+
11 TMDS data1 shield
12 NC
13 NC
14 +5V
15 Ground (return for +5 V and H/V sync)
16 Hot plug detect
17 TMDS data0-
18 TMDS data0+
19 TMDS data0 shield
20 NC
21 NC
22 TMDS clock shield
23 TMDS clock+
24 TMDS clock-
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