System-board connectors

The following illustrations show the connectors on the system board.

Figure 1. System-board connectors

Table 1. System-board connectors

1 USB 3.2 Gen 2 connector	17 SATA connector 7
2 Ethernet connector 2	18 SATA connector 0-3
3 Ethernet connector 1 (shared with XCC network port)	19 Fan 3 connector
4 Lenovo XClarity Controller (XCC) management port	20 SGPIO1 connector
5 VGA and serial port connector	21 SATA connector 5
6 Front VGA connector	22 SATA connector 4
7 Processor power connector	23 Fan 4 connector
8 Memory module slot 1 to 4	24 TPM/TCM card connector
9 Processor	25 Front panel connector
10 Backplane power connector	26 M.2 signal connector
11 Power distribution board signal connector	27 Front USB 3.0/2.0 header (DCI support)
12 Fan 1 connector	28 Internal USB 3.2 Gen 1 connector
13 Fan 2 connector	29 M.2 power connector
14 MCIO x4 connector for NVMe	30 CMOS battery - CR2032
15 System power connector	31 PCIe 4.0 x16 slot 1 to 2
16 SATA connector 6	32 PCIe 3.0 x8 slot 3