Dell XPS 720 H2C (Mid 2007) - Manual (Page 149)

Removing and Installing Parts
149
DC Power Connector P6 and P7 (BAY1 and Bay2)
DC Power Connectors P8 and P9 (HDD0 and HDD1)
1-KW Power Supply 750-KW Power Supply
Pin Number Signal name 18-AWG Wire Color Signal name 18-AWG Wire Color
1 +12 VE DC Blue/Yellow +12 VB DC White
2 COM Black COM Black
3 COM Black COM Black
4 +5 VDC Red +5 VDC Red
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 COM Black COM Black
3 +5 VDC Red +5 VDC Red
4 COM Black COM Black
5 +12 VE DC Blue/Yellow +12 VB DC White
1 2 3 4
5 4 3 2 1