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 Fan 1 connector	11 GND busbar for the power module board
2 Intrusion switch connector	12 P12V busbar for the power module board
3 Fan 2 connector	13 MicroSD card socket
4 Fan 3 connector	14 TCM/TPM connector
5 SATA connector	15 I/O module board signal connector
6 MCIO 1 connector	16 Lock position switch cable connector
7 MCIO 2 connector	17 Front operator assembly connector
8 Power input board connector	18 I/O module board power connector
9 3V system battery (CR 2032)	19 3V security battery (CR 2032)
10 Power module board connector