Dell Precision T5400 (Late 2007) - Manual (Page 172)

172 Adding and Replacing Parts
DC Power Connector P6
DC Power Connector FD5
Pin Number Signal name 18-AWG Wire
1 12 VD Yellow/White
2 12 VD Yellow/White
3 12 VD Yellow/White
4 COM Black
5 COM Black
6 COM Black
Pin Number Signal name 18-AWG Wire
1 12 VE Blue/Yellow
2 12 VE Blue/Yellow
3 12 VE Blue/Yellow
4 COM Black
5 COM Black
6 COM Black
4 5 6
1 2 3