Host board connectors
The following illustrations show the internal connectors on the host board.
Host board connectors
Figure 1. Host board connectors
| 1 PCIe riser 1 power connector or E3.S drive power connector | 13 GB200-NVL4 12V_A power bus bar connector |
| 2 HMC connector 1 | 14 Sideband connector to GB200-NVL4 |
| 3 HMC connector 2 | 15 PCIe riser 6 power connector or E3.S drive power connector |
| 4 PCIe riser 2 power connector | 16 System 48V power bus bar IN |
| 5 MCIO x4 connector for GB200-NVL4 HPM board connection | 17 Tray power fast shutdown connector |
| 6 PCIe riser 3 power connector | 18 Leakage sensor connector |
| 7 B2B connector for E3.S switch board sideband | 19 MicroSD card socket (reserved) |
| 8 GB200-NVL4 12V_STBY power connector | 20 PHY connector (for cable linking system I/O board and host board) |
| 9 PCIe riser 4 power connector | 21 Host board FPC connector |
| 10 MCIO x8 sideband cable to SMM3 connector | 22 Serial log connector |
| 11 GB200-NVL4 12V_B power bus bar connector | |
| 12 PCIe riser 5 power connector |
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