Dell Dimension 4600C - Manual (Page 53)

DC Power Connector P3
DC Power Connectors P4 and P5
DC Power Connector P6
Pin Number Signal Name 18-AWG Wire
1 COM Black
2 COM Black
3 +12 VDC Yellow
4 +12 VDC Yellow
Pin Number Signal Name 18-AWG Wire
1 +12 VCD Yellow
2 COM Black
3 COM Black
4 +5 VDC Red
Pin Number Signal Name 22-AWG Wire
1 +5 VCD Red
2 COM Black
3 COM Black
4 +12 VDC Yellow
Pin Number Signal Name 18-AWG Wire
1 N/C N/C
2 COM Black
3 COM Black
4 +3.3 VDC Orange