System board connectors for cable routing
The following illustrations show the internal connectors on the system board that are used for internal cable routing.
Figure 1. System board connectors for cable routing
| 1 PCIe riser 2 power and sideband connector (BP PWR/SIG 2) | 2 PCIe riser 3 power and sideband connector (BP PWR/SIG 1) |
| 3 PCIe riser 2 signal connector (MCIO4A/MCIO4B) | 4 PCIe riser 1 power and sideband connector (BP PWR/SIG 3) |
| 5 PCIe riser 1 and riser 3 signal connector (MCIO8A/MCIO8B) | 6 System I/O board connector (DC-SCM) |
| 7 PDB_0V connector (PSU_GND) | 8 PDB_P12V connector (PSU_P12V) |
| 9 MCIO connector 7 (MCIO7A/MCIO7B) | 10 Integrated diagnostics panel connector (FRONT IO2) |
| 11 MCIO connector 6 (MCIO6A/MCIO6B) | 12 MCIO connector 5 (MCIO5A/MCIO5B) |
| 13 MCIO connector 10 (MCIO10A/MCIO10B) | 14 CPU leakage sensor connector (OUTLET TEMP SENSOR) |
| 15 MCIO connector 3 (MCIO3A/MCIO3B) | 16 MCIO connector 2 (MCIO2A/MCIO2B) |
| 17 MCIO connector 1 (MCIO1A/MCIO1B) | 18 MCIO connector 9 (MCIO9A/MCIO9B) |
| 19 PCIe switch sideband connector (PCIE SW SIDEBAND) | 20 Front USB / Mini DisplayPort connector (FRONT IO1) |
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