System-board-assembly connectors

This section provides information about the internal connectors on the system I/O board and processor board.

Figure 1. System-board-assembly connectors

Table 1. System-board-assembly connectors

1 NMI button	2 Rear USB connector
3 MicroSD socket	4 VGA connector
5 Serial port connector	6 Rear USB connectors
7 Second management Ethernet connector	8 XCC system management port
9 Internal USB connector	10 Riser 1 slot
11 OCP module connector	12 CMOS battery (CR2032)
13 M.2 power connector	14 7mm / Rear 4x2.5” backplane power connector
15 Front USB connector	16 Leak detection connector
17 PCIe connector 9 / SATA connector 2	18 PCIe connector 2
19 PCIe connector 1	20 Fan 1-6 connectors
21 Front I/O connector for Y cablenote	22 Front I/O connectornote
23 Backplane 3 power connector	24 Backplane 2 power connector
25 CFF retimer connector	26 CFF expander power connector
27 Intrusion switch connector	28 Backplane 1 power connector
29 CFF RAID/HBA power connector	30 External diagnostics connector
31 Front VGA connector	32 PCIe connector 4
33 PCIe connector 3	34 PCIe connector 7 / SATA connector 1
35 PCIe connector 5 / SATA connector 0	36 PCIe connector 6
37 Power supply 1 connector	38 PCIe connector 8
39 GPU power connector	40 Riser 3 power connector
41 Power supply 2 connector	42 Riser 3 sideband connector
43 Riser 2 slot	44 RoT module connector
45 M.2 signal connector	46 Rear backplane power connector
47 PCIe connector 10 / SATA connector 3	48 PCIe connector 11 / SATA connector 4
49 7mm backplane signal connector	50 Rear backplane sideband connector

Note

• The front I/O module on rack latch or the front I/O module on media bay with an integrated diagnostics panel is connected to connector 22.

• The front I/O module on media bay with a front operator panel is connected to connectors 21 and 22 using a Y cable.

For details, see Front I/O connectors.