4-slot switched GPU distribution board configuration
Use the section to understand the front I/O expansion board cable routing for the server configuration with 4-slot switched GPU distribution board.
Choose the routing plan depending on if the DPU adapter is installed in the system or not.
Without DPU adapter — configurations 6 and 24
Figure 1. Front I/O expansion board cable routing
| Cable | From | To |
|---|---|---|
| 1 | Front I/O expansion board: Power connector | System board assembly: Front riser power connector |
| 2 | Front I/O expansion board: MCIO connector A | GPU distribution board (right side): MCIO connector D |
| 3 | Front I/O expansion board: MCIO connector B | GPU distribution board (left side): MCIO connector D |
With DPU adapter — configurations 38, 39, 40 and 41
Figure 2. Front I/O expansion board cable routing
| Cable | From | To |
|---|---|---|
| 1 | Front I/O expansion board: Power connector | System board assembly: Front riser power connector |
| 2 | Front I/O expansion board: MCIO connector A | System board assembly: PCIe connector 2 |
| 3 | Front I/O expansion board: MCIO connector B | System board assembly: PCIe connector 6 |
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