System board connectors
The following illustration shows the internal connectors on the system board.
Figure 1. System board connectors
| 1 USB 3.2 Gen 1 Type-A connector | 2 OCP interposer card power connector |
| 3 PCIe switch board sideband connector | 4 MCIO connectors 4A/4B |
| 5 MCIO connectors 8A/8B | 6 System I/O board connector (DC-SCM) |
| 7 12V (+) connector | 8 Integrated diagnostics panel (Front I/O) connector |
| 9 Ground (-) connector | 10 3V battery (CR2032) |
| 11 MCIO connectors 7A/7B | 12 EP management connector 2 |
| 13 MCIO connectors 6A/6B | 14 MCIO connectors 5A/5B |
| 15 MCIO connectors 10A/10B | 16 SPI/eSPI connector |
| 17 MCIO connectors 3A/3B | 18 MCIO connectors 2A/2B |
| 19 M.2 signal connector | 20 M.2 power connector |
| 21 MCIO connectors 1A/1B | 22 MCIO connectors 9A/9B |
| 23 EP management connector 1 | 24 USB assembly (Front panel I/O) connector |
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