System board

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

Figure 1. System board components

1 NMI button	2 CMOS battery (CR2032)
3 TPM module connector	4 M.2 power connector
5 Serial port module connector	6 Riser 1 power connector
7 Riser 1 slot	8 Internal USB connector
9 OCP 3.0 Ethernet adapter connector	10 7 mm SSD power connector
11 Front USB connector	12 PCIe connector 1
13 PCIe connector 2	14 PCIe connector 3
15 Front I/O connector	16 Front VGA connector
17 Backplane power connector 3	18 Fan 1 connector
19 Fan 2 connector	20 Backplane power connector 2
21 RAID expander power connector	22 Fan 3 connector
23 Intrusion switch connector	24 CFF RAID/HBA power connector
25 Fan 4 connector	26 External LCD connector
27 Backplane power connector 1	28 Fan 5 connector
29 Fan 6 connector	30 Riser 3 GPU power connector
31 Riser 3 power connector	32 PCIe connector 6
33 PCIe connector 8	34 PCIe connector 7
35 Power supply 1 connector	36 PCIe connector 4
37 PCIe connector 5	38 Power supply 2 connector
39 Riser 3 sideband connector	40 Riser 2 slot
41 Riser 2 power connector