System-board-assembly connectors

The following illustrations show the internal connectors on the system board assembly.

Figure 1. System-board-assembly connectors

Table 1. System-board-assembly connectors

1 Fan 6 connector	26 PCIe riser 3/D connector
2 Backplane 6 power connector	27 OCP slot 2 connector
3 Fan 5 connector	28 Power distribution board sideband connector
4 Backplane 5 power connector	29 PCIe riser C power connector
5 Fan 4 connector	30 Firmware and RoT security module connector
6 Backplane 4 power connector	31 MicroSD socket
7 Fan 3 connector	32 Serial port connector
8 Backplane 3 power connector	33 Second management Ethernet connector
9 3V battery (CR2032)	34 Internal USB connector
10 Fan 2 connector	35 PCIe riser 2 power connector
11 Backplane 7 power connector	36 PCIe riser B power connector
12 Backplane 2 power connector	37 PCIe riser 1 connector
13 Fan 1 connector	38 PCIe riser A power connector
14 Backplane 1 power connector	39 7mm drive/M.2 signal connector
15 NVMe 1-3 connector (left to right)	40 OCP slot 1 connector
16 Processor 3	41 M.2 power connector
17 Memory module slot 33-64 (left to right)	42 7mm drive power connector
18 P 1-12 connector (left to right)	43 Processor 1
19 VGA connector	44 P 13-20 connector (left to right)
20 External diagnostic handset connector	45 NVMe 11-12 connector (left to right)
21 Intrusion switch connector	46 Front USB connector
22 NVMe 9-10 connector (left to right)	47 Front I/O connector
23 Memory module slot 1-32 (right to left)	48 Processor 4
24 Processor 2	49 NVMe 4-8 connector (left to right)
25 Power distribution board connector