System board components

The illustration in this section shows the component locations on the system board.

Figure 1. System board components

Table 1. Components on the system board

1 Processor power connector	15 Front fan power connector
2 Processor socket	16 SATA connector 3
3 Processor fan power connector	17 SATA connector 4
4 DIMM slot 1	18 SATA connector 2
5 DIMM slot 2	19 SATA connector 1
6 DIMM slot 3	20 Thermal sensor connector
7 DIMM slot 4	21 USB connector for dual SD card adapter
8 Front panel connector	22 PCIe slot 3
9 Drive bay adapter fan power connector	23 PCIe slot 2
10 System power connector	24 PCIe slot 1
11 SATA power connector	25 Rear fan power connector
12 Front panel USB connector	26 Intrusion switch connector
13 Front panel USB connector	27 3V CMOS battery (CR2032)
14 Slim optical drive USB connector