System-board connectors for cable routing

See this section to locate and identify the connectors on the system board that are used for internal cable routing.

1 Rear I/O signal connector	8 PCIe riser power connector
2 OCP signal connector	9 P12V AUX power connector
3 PCIe riser slot 2 connector (Gen5)	10 Node sideband connector
4 RAID signal connector	11 PCIe riser slot 1 connector (Gen4)
5 OCP power and sideband connector	12 NVMe 0-1 connector (Gen5)
6 RAID power connector	13 SATA connector
7 Backplane power connector	14 NVMe 2-5 connector (Gen5) or PCIe riser slot 2 connector (Gen5), depending on the configuration