System-board connectors

The following illustration shows the internal connectors on the system board.

Figure 1. System-board connectors

Table 1. System-board connectors

1 Air flow switch connector	14 Power module board (PMB) connector
2 Intrusion switch connector	15 GND busbar for PMB
3 Fan 1 connector	16 P12V busbar for PMB
4 Air flow sensor board connector	17 MicroSD socket
5 Fan 2 connector	18 Riser slot
6 PCIe Gen 3 / SATA connector	19 TCM connector
7 PCIe Gen 4 MCIO 1 connector	20 Wireless adapter connector 1
8 PCIe Gen 4 MCIO 2 connector	21 I/O module board signal connector
9 M.2 cabled adapter / PCIe cabled riser card power connector	22 Wireless adapter connector 2
10 PIB connector	23 Operator panel connector
11 GPU power connector	24 I/O module board power connector
12 M.2 cabled adapter power connector	25 3V security battery (CR2032)
13 3V system battery (CR2032)