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.

Figure 1. System-board connectors for cable routing

Table 1. System-board connectors for cable routing

1Drive backplane or front I/O sideband connector	12PDB sideband connector
2OCP power and sideband connector	13Riser power connector
3OCP connector	14PDB auxiliary power connector
4Drive backplane power connector	15Riser slot 1 connector
5Fan 1 connector	16Rear I/O connector
6Fan 2 connector	17SATA 0-5 connector
7Fan 3 connector	18NVMe 4-5 connector
8RAID power connector	19NVMe 2-3 connector
9Fan 4 connector	20NVMe 0-1 connector
10RAID signal connector	21Inlet temperature sensor connector
11M.2 boot adapter connector