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

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