System-board-assembly connectors
The following illustration shows the internal connectors on the system board assembly.
Figure 1. System-board-assembly connectors
![System-board-assembly connectors](sr685av3-084-sysb-390.png)
![System-board-assembly connectors](sr685av3-084-sysb-390.png)
1 PCIe SW MGMT connector | 2 PCIe riser 1 power connector |
3 PCIe connector 9 / PCIe riser 1 connector | 4 OCP connector |
5 PCIe connector 11 | 6 Front VGA connector |
7 PCIe connector 12 | 8 Front USB connector |
9 M.2 power connector | 10 M.2 signal connector |
11 Processor 1 | 12 PCIe connector 2 |
13 PCIe connector 1 | 14 PCIe connector 4 |
15 PCIe connector 3 | 16 PCIe connector 5 |
17 PCIe connector 6 | 18 PCIe connector 7 |
19 Integrated diagnostics panel connector | 20 PCIe connector 8 |
21 Processor 2 | 22 Memory module slot 1-24 (right to left) |
23 Power interface board connector | 24 PCIe connector 10 / PCIe riser 2 connector |
25 PCIe riser 2 power connector | 26 3V battery (CR2032) |
27 Firmware and RoT security module connector | 28 MicroSD socket |
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