Connections between the system board, PIB board, and fan board

This section provides connection information for the system board, PIB board, and fan board.

Figure 1. Connections between the system board, PIB board, and fan board

From	To
1 Fan power connector on the PIB board	Fan power connector on the fan board
2 CPU power connector on the PIB board	CPU power connector on the system board
3 System power connector 3 on the PIB board	System power connector 3 on the system board
4 System power connector 2 on the PIB board	System power connector 2 on the system board
5 System power connector 1 on the PIB board	System power connector 1 on the system board
6 Sideband connector on the PIB board	PIB sideband connector on the system board
7 Sideband connector on the fan board	Fan sideband connector on the system board