Switched GPU distribution board configuration
Use the section to understand the front I/O expansion board cable routing for the server configuration with switched GPU distribution board.
Choose the routing plan depending on if the DPU adapter is installed in the system or not.
Without DPU adapter
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 on the front I/O expansion board
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 |
With DPU adapter on the PCIe riser 1
Figure 3. 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 |
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