System board components

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

Figure 1. System board components

1 Middle backplane power connector	2 Rear backplane power connector
3 Riser 2 slot	4 Front VGA connector
5 OCP 3.0 Ethernet adapter connector	6 Riser 1 slot
7 Front panel connector	8 DIMM 1-16 error LEDs
9 PCIe connector 6	10 PCIe connector 5
11 Front USB connector	12 Fan board sideband connector (connect to 17)
13 PCIe connector 8	14 PCIe connector 4
15 Fan 7 connector	16 PCIe connector 7
17 Fan board sideband connector (connect to 12)	18 Fan 6 connector
19 CPU power connector (connect to 37)	20 Fan 5 connector
21 PCIe connector 3	22 PCIe connector 2
23 Fan 4 connector	24 Fan 3 connector
25 Fan 2 connector	26 Fan 1 connector
27 Fan board power connector (connect to 36)	28 Fan 1-7 error LEDs
29 System power connector 2 (connect to 38)	30 PCIe connector 1
31 PCIe connector 9	32 Internal riser power connector
33 Front backplane power connector	34 GPU power connector 1 (reserved)
35 GPU power connector 3 (reserved)	36 Fan board power connector (connect to 27)
37 CPU power connector (connect to 19)	38 System power connector 2 (connect to 29)
39 System power connector 1 (connect to 43)	40 PIB sideband connector (connect to 44)
41 GPU power connector 2 (Reserved)	42 M.2 sideband connector
43 System power connector 1 (Connect to 39)	44 PIB sideband connector (connect to 40)
45 Intrusion switch connector	46 CMOS battery (Cr2032)

Note