Dell XPS 720 (Mid 2007) - Manual (Page 143)

Removing and Installing Parts
143
1-KW Power Supply 750-KW Power Supply
Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color
1 +3.3 VDC Orange +3.3 VDC Orange
2 +3.3 VDC/SE Orange +3.3 VDC/SE Orange
3 COM Black COM Black
4 +5 VDC Red +5 VDC Red
5 COM Black COM Black
6 +5 VDC Red +5 VDC Red
7 COM Black COM Black
8 POK Gray POK Gray
9 +5 VFP Purple +5 VFP Purple
10 +12 VD DC/SE Yellow/White +12 VD DC/SE Yellow/White
11 +12 VD DC Yellow/White +12 VD DC Yellow/White
12 +3.3 VDC Orange +3.3 VDC Orange
13 +3.3 VDC Orange +3.3 VDC Orange
14 -12 VDC Blue -12 VDC Blue
15 COM Black COM Black
16 PS_ON Green PS_ON Green
17 COM Black COM Black
18 COM Black COM Black