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.

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