System-board-assembly connectors
The following illustrations show the internal connectors on the system board assembly.
Figure 1. System-board-assembly connectors


| 1 NMI button | 2 Rear USB connector 1 |
| 3 MicroSD socket | 4 VGA connector |
| 5 Serial port connector | 6 Rear USB connector 2 |
| 7 Plunger | 8 Management NIC connector |
| 9 Internal USB connector | 10 Second management Ethernet connector |
| 11 M.2 signal connector | 12 PCIe connector 8 / SATA connector 3 |
| 13 7mm/Rear backplane sideband connector | 14 OCP 3.0 module connector |
| 15 Riser 1 slot | 16 PCIe connector 9 / SATA connector 4 |
| 17 CMOS battery (CR2032) | 18 Front USB connector |
| 19 7mm backplane signal connector | 20 Pump 1 connector |
| 21 Leak detection connector | 22 PCIe connector 7 / SATA connector 2 |
| 23 Fan 1–8 connectors | 24 Front VGA connector |
| 25 M.2 power connector | 26 Internal RAID power connector |
| 27 External diagnostics connector | 28 FIO_Y cable connector |
| 29 FIO connector | 30 Lift handle |
| 31 Intrusion switch connector | 32 Pump 2 connector |
| 33 CFF retimer connector | 34 Backplane power connector |
| 35 PCIe connector 1 | 36 PCIe connector 2 |
| 37 PCIe connector 3 / SATA connector 0 | 38 Power supply 1 connector |
| 39 PCIe connector 4 / SATA connector 1 | 40 Power supply 2 connector |
| 41 GPU/7mm/Rear backplane power connector | 42 PCIe connector 5 |
| 43 PCIe connector 6 | 44 Riser 2 slot |
| 45 RoT connector | 46 Intrusion switch connector (reserved) |
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