System-board connectors

The following illustrations show the connectors on the system board.

Figure 1. System-board connectors

Table 1. System-board connectors

1 Processor socket	18 SATA 0-3 connector
2 USB 3.2 Gen 1 connector	19 SGPIO1 connector
3 Ethernet 2 connector	20 Fan 3 connector
4 Ethernet 1 connector (shared with XCC network port)	21 SATA 5 connector
5 Lenovo XClarity Controller (XCC) management port	22 SATA 4 connector
6 VGA and serial port connector	23 Fan 4 connector
7 Front VGA connector	24 Front I/O module connector
8 Processor power connector	25 Front USB 3.0/2.0 header (DCI support)
9 Memory module 1 to 4 slot	26 Internal USB 3.2 Gen 1 connector
10 Backplane power connector	27 M.2 signal connector
11 CFF RAID power connector	28 M.2 power connector
12 Power distribution board signal connector	29 Intrusion switch connector
13 Fan 1 connector	30 SlimSAS x8 connector
14 Fan 2 connector	31 CMOS battery socket (CR2032)
15 System power connector	32 Firmware and RoT security module connector
16 SATA 6 connector	33 PCIe slot
17 SATA 7 connector